SEASONS
SUMMER 2024/25 IS YOUR SHEEP DRENCH REALLY WORKING? PG 36 TOSARI FIELD DAY DEMONSTRATES FUTURE OF FARMING PG 4
Elders recently announced its FY24 full year financial results, reporting a resilient performance against market and climatic headwinds. While weather and commodity prices remain outside of our control, how we respond and prepare for the season ahead is absolutely within it.
As we head into a forecasted hotter and drier than average summer, Elders will be working closely with clients to ensure access to high quality products and advice that will optimise efficiency and profitability. Good seasons come and go, so long-term, sustainable growth is our goal.
Regards, Mark Allison Managing Director and CEO
TOSARI FIELD DAY DEMONSTRATES FUTURE OF FARMING
GROWERS, SUPPLIERS AND INDUSTRY REPRESENTATIVES GATHERED AT TOSARI CROP RESEARCH CENTRE FOR A FIELD DAY LAST WEEK, WITH A FOCUS ON EMERGING INNOVATIONS AND TECHNOLOGY.
The field day included insights into the research being conducted at Tosari, including demonstrations of Elders’ and suppliers’ work in crop protection, nutrition and ag tech. There was a particular focus on new biological nutrition solutions, which will likely change how crop nutrition is managed into the future.
Another highlight for attendees was a presentation on Carinata, a biofuel alternative, which has the potential to lower greenhouse gas emissions.
Elders State Technical Services Manager Maree Crawford said the event was an illustration of Elders’ commitment to sustainable and innovative farming practices.
“Growers had the chance to see the latest in ag tech, nutrition solutions, and crop management programs," Maree said
"We also spoke about new and emerging grazing systems, which provide alternative healthy management options to ensure healthy livestock and soils."
“I presented on the day about the importance of targeted solutions to enhance soil and crop nutrition status potentially leads to a circular economy in grains. Essentially, if we can produce better quality grain to feed animals, we end up with healthier animals which can translate into healthier humans as consumers of that protein source, and that is where we really start to build a sustainable system.
"At Elders, we are focused on validating developments in digital agriculture and automation, in addition to testing new products in a range of conditions. Our aim is to provide growers with the strategies and tools they need to remain profitable and resilient. This event was a great opportunity for growers to come along, catch up, and chat to us about their problems, and how we as Elders can support them with innovative solutions.”
The importance of conducting trial sites and client days extends well beyond testing and demonstrating new products; it also plays a role in furthering education. Trial sites are used for the ongoing technical training of both agronomists and rural products specialists.
Moura based agronomist Danielle Hogarth said she was pleased to attend the field day and took away some insights for her work with both cotton and livestock producers.
“I am always pleased to see some of the ‘behind the scenes’ in product development and testing, it provides good insight,” Danielle said.
“One of the things that was brought up at the event was the economics and the financial side of cropping, which I think is one of the biggest factors for producers these days.
“I want to be confident in ensuring that the products I recommend provide the right results, but also have that return on investment for them in their business.”
The work being done at Tosari is just one part of Elders’ wider portfolio of extension activity, with Elders running a suite of trial sites across Australia, to provide growers with information which is tailored and relevant to their own programs.
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ENHANCING ROOT DEVELOPMENT AND NODULATION WITH BACSTIM® SEED
Bacstim® Seed, Omnia Specialities’ five-strain Bacillus product, is designed for coating seeds before planting, and is suitable to all grain crop production systems. With spore forming capabilities, the microbes can survive on the seed for over 12 months post coating.
The product delivers beneficial Bacillus strains to the plant, which promote rooting hormone production, nutrient solubilization (especially phosphate), and resistance against fungal pathogens. These benefits result in improved access to nutrients and water, ultimately leading to notable yield increases.
Moreover, they are compatible with fungicides and other nutrient products used during the seed coating process. This distinct property allows for ease of application onto seed without much effort or cost implication.
Andrew Doecke, the Innovation & Development Manager for Omnia Specialities Australia, compares Bacstim® Seed to the common practice of inoculating legumes with rhizobium bacteria for nitrogen fixation. He explains that Bacstim® Seed introduces highly beneficial microbes that may not be present in all cropping systems, thus enhancing the plant's overall performance. Doecke likens the addition of these high-performing microbes to bringing star players into a local sports team, which in turn improves the entire team's performance.
THE BENEFITS OF BACTSIM® SEED INCLUDE:
1. Enhanced Seedling Vigor: Bacstim® Seed promotes robust seedling growth by enhancing root development and nutrient uptake.
2. Nutrient Availability: Bactsim® Seeds’ Bacillus can solubilise nutrients in the soil, making them more readily available to plants.
3. Stress Tolerance: Bacillus are known to induce systemic resistance in plants, helping them withstand various environmental stressors which is particularly important for broadacre crops exposed to diverse conditions.
4. Yield Enhancement: By improving previous points, farmers often see improved crop yields and overall crop quality.
5. Soil Health: Over time, the use of these beneficial bacteria can contribute to enhanced microbial activity and soil health.
Legume crops also reap the benefits of Bacstim® Seed from the above-mentioned properties, as well as improvements in nodulation. Trials in Mingenew WA performed by independent consultants have measured a 36 per cent increase in nodulation on Lupins when applied to the seed together with the inoculant. Illustrating increased microbial activity when applied in conjunction with Bacstim® Seed.
In conclusion, Tte development of the seed-applied version of Bacstim® Seed was a key breakthrough, making this technology more accessible and economical for broadacre cropping. While previous liquid injection versions were successful, the switch to seed application has reduced costs, making it viable for use in a wide range of cropping systems, from high rainfall areas to marginal cropping zones.
BACSTIM® SEED
• 5 high performance spore forming Bacillus.
• Highly compatible seed dressing.
• Improve root growth and nutrient mineralisation.
• Maximise stress resistance and increase your yield.
BACSTIM® SEED YIELD RESULTS
Bacstim® Seed increases root mass and length and nodulation in legumes.
yield
Improved Almond Yields in Australia and California with SQM Potassium Nitrate + Iodine (Ultrasol®ine K Plus) and SQM Potassium Nitrate
SQM presents the notable outcomes from almond trials conducted in both Australia and California, highlighting substantial yield enhancements through innovative treatment methods.
Australia Trial Results (February 2024)
In February 2024, the Australian trial demonstrated significant yield improvements. The treatments tested included Potassium Nitrate + Iodine (Ultrasol®ine K Plus), Potassium Nitrate, and the grower's standard. The results were as follows:
, 3 yr cumulative yield), compared to the same amount of K applied with PTS + UAN. This same treatment, compared to fertigation with SOP+UAN. resulted in +1.2 MT/ha extra yield (17%).
* These results were explained by the unique combination of potassium and 100% nitric nitrogen in SQM Potassium Nitrate, avoiding the unfavourable amounts of N-NH4 and sulphur in the other treatment combinations.
• Yield increases were statistically significant at the 90% confidence level.
• Additionally, SQM Potassium Nitrate minimized salinity build-up, which is crucial for almond trees sensitive to root zone salinity.
Conclusion
These trials underscore the effectiveness of SQM's innovative potassium nitrate-based treatments in significantly boosting almond yields. With consistent success across different environments, these solutions offer promising benefits for almond growers aiming to enhance productivity and crop quality.
NEW APVMA APPROVALS FOR VERPIXO®
OFFER BROADER DISEASE
The reputation of Corteva Agriscience’s unique Group 21 fungicide Verpixo® Adavelt® active as a powerful solution for broad-spectrum control of ascomycete diseases has been further enhanced with additional crop registrations approved by the APVMA.
Verpixo has become a go-to choice for vine and vegetable growers looking for a new mode of action and greater flexibility in resistance management programs to combat damaging diseases such as botrytis, powdery mildew, alternaria, and septoria.
Verpixo has been proven to have no known cross-resistance to other fungicide groups, is IPM-friendly and can be used across a wide range of crops at multiple growth stages.
In August 2024, the fungicide was approved by the APVMA for additional diseases:
> Cucurbits – powdery mildew and gummy stem blight
> Fruiting vegetables – powdery mildew, target spot, anthracnose and botrytis
> Leafy vegetables – sclerotinia, septoria, botrytis and anthracnose.
In addition, a new crop registration now exists in wine grapes and table grapes for control of botrytis and powdery mildew.
Corteva Agriscience Territory Manager for Central Queensland and Wide Bay Burnett, Matt Kunde, said with existing chemistries under threat of resistance, Verpixo “redefines” custom fungicide programs.
“It gives growers the flexibility to successfully manage diseases strategically throughout the year,” Mr Kunde said.
CONTROL
“Being a single Group 21, Verpixo is stand-alone. It can be added to the existing disease control programs to lengthen the life of existing mode of action products, or farmers can substitute it where products are not working well, to provide a strong new treatment to maximise production.
“Verpixo is naturally inspired, broad spectrum, safe to crops, safe to beneficial insects, has a short preharvest interval of one day for most crops, flexible timing and tank mixes are possible, and it has a rain-fast period of three hours.”
PREMIUM QUALITY VINEYARDS TO BENEFIT
The new mode of action is keenly sought in the viticulture industry, particularly in vineyards in high rainfall zones susceptible to botrytis and powdery mildew.
Corteva Agriscience Customer Technology Specialist, Chris Brown, said Verpixo provided growers with a strong preventative alternative to products they had been using for many years.
“The timing is flexible if they’re applying Verpixo to control botrytis,” Mr Brown said.
“The Australian Wine Research Institute (AWRI) approved two applications up to E-L 31, berries pea size, and this is a major bonus for vignerons as a lot of alternate control chemistries are limited to E-L 25 and E-L 29.
“Timing is critical to protect grapes from botrytis in potential infection sites at inflorescence, so the E-L 31 positioning for Verpixo is important – it’s the final chance to put covers on the berries before the bunch closes, and it will give wineries everywhere a lot more flexibility in their spray program.”
TRIALS SHOW PRODUCT VERSATILITY
Since its commercial release in January 2024, following APVMA approval for use in strawberries, fruiting vegetables, leafy vegetables and cucurbits, Corteva Principal Biologist, Rob Annetts, said Verpixo had become the “Rolls Royce treatment” for powdery mildew, with control achieved at rates of 1.25 to 1.5 litres per ha.
“Verpixo builds on new chemistry first established by Corteva Agriscience, with some tweaks to provide better UV stability, broader spectrum and a lower use rate to make it ideally suited to Australian conditions,” Mr Annetts said.
“It’s a very useful tool as a rotation partner where pathogen resistance to SDHIs, strobilurins and triazoles is a concern.”
Ongoing replicated trials testing Verpixo on gummy stem blight in watermelons, rockmelons, honeydew and pumpkins in Queensland and Western Australia (WA) have produced impressive results, achieving suppression at rates of 1.5 litres per ha that still allow growers to get a crop off.
Verpixo proved to have very good efficacy against anthracnose and grey mould in 11 trials on tomatoes, capsicums, eggplants and chillies in Tasmania, South Australia, Queensland and WA, at rates of 1.5 litres per ha in the field and 150ml per 100L in the glasshouse.
Originally registered to control sclerotinia on leafy vegetables at 1.5 litres per ha, Verpixo has since produced excellent results on grey mould, septoria and anthracnose in 16 trials in Queensland and WA.
APVMA-approved new label changes for Verpixo can be found on the Corteva Agriscience website.
Grow Strategically
Verpixo ® Adavelt® active - A new mode of action that provides powerful protection from botrytis, powdery mildew, sclerotinia and alternaria. Inspired by nature, Verpixo ® offers growers broad spectrum control of damaging crop diseases that helps to maximise yield and quality. Now registered for use in Strawberries, Cucurbits, Fruiting and Leafy vegetables.
To find out more, contact your local Territory Manager on 1800 700 096 or visit corteva.com.au
Early signs of powdery mildew aren’t easy to see in your vineyard. If you wait until it’s visible, you run the risk of serious loss. The proven strategy? Hit hard, and hit early.
The best time is soon after budburst. And the hardest hit you can deliver is new, best-in-class fungicide, SEEKER® Duo.
SEEKER® Duo provides fast control and long-lasting protection. And you can get back to work as soon as it’s dry.
For further information talk to your Syngenta representative or visit Syngenta.com.au/seeker-duo
NO
HIDING
THE
DRIVE
TO DELIVER QUALITY WINE GRAPES
With 50 growers and 1000 hectares of vines under her care across the Barossa and Adelaide Hills, Elders Viticulturist Felicity Cox makes a point of keeping tabs on the newest tools at every opportunity.
During the off-season Mrs Cox attended an industry get together for some of Australia’s most passionate and dedicated viticulturists, hosted by global leaders in ag-tech, Syngenta.
Helping to mark the occasion was Syngenta Global Head of Crop Protection Marketing, Ioana Tudor, alongside Syngenta ANZ Managing Director, David Van Ryswyk, and members of the broader Syngenta ANZ team including Syngenta Product Lead for Viticulture, Scott Mathew and Syngenta Technical Services Lead Brandy Rawnsley.
“The technical staff like Brandy and Scott, are very knowledgeable and always very responsive to questions,” said Felicity.
“New products and new chemistry are always good for growers and Syngenta are great at building interest in and understanding of products before they hit the market.”
SEEKER® Duo fungicide has used for the first time this season, applied early in the crop to help keep powdery mildew firmly under control before it starts.
“We’ve put SEEKER® Duo [fungicide] in this year’s spray programs,” Felicity said.
“From the 5-leaf stage it’ll be important for robust early control. Its priced perfectly in the market.”
Also discussed were KEYBRI® Ultra fungicide, for robust and long-lasting control of downy mildew, and the biological TAEGRO® fungicide for protection from botrytis and powdery mildew.
“Even though KEYBRI® Ultra and TAEGRO® aren’t registered in time for this season they’ve still got a lot of people talking about those products,” Felicity said.
“Syngenta is a fabulous company to work with. They really do a great job of taking you along on the journey with their products.”
Dr Rawnsley said SEEKER® Duo fungicide is a great product for wine grape growers and their advisors to discuss.
“You’d be hard pressed to find a grape grower that does not apply fungicides in a spray program for powdery mildew control,” she said.
“With so many products on the market, growers need products that work and work well.
“The arrival of SEEKER® Duo provides advisors greater peace of mind thanks to its robust, residual control for up to 21 days, while being highly rainfast.
“Coming from the same makers of MIRAVIS®, SWITCH® and THIOVIT® Jet, advisors and growers can also have confidence in the rigour in which SEEKER® Duo has been brought to market.”
SEEKER® Duo fungicide contains two active ingredients; 375 g/L fenpropidin newly registered in Australia, and 100 g/L difenoconazole.
Proven difenoconazole, a Group 3 fungicide, or better known as a DMI (demethylation inhibitor), has excellent preventative and curative activity. It works by stopping sterol production in the fungus which is required for cell membrane and function.
Fenpropidin belongs to the Group 5 amines (morpholines) and also stops sterol synthesis in fungal membranes at a different site to Group 3 fungicides. It is considered low-risk of fungicide resistance development with no known crossresistance to other chemistry groups.
Dr Rawnsley said the combination of these two actives in SEEKER® Duo fungicide has true synergistic activity to enhance efficacy, which is a real benefit to users. When applied early in the season, SEEKER® Duo provides critical post-flowering protection and peace of mind.
OUTRIGHT 770 MAKES HARD WORK EASY
Outright 770 Spray Adjuvant is a groundbreaking product designed to simplify and enhance the herbicide application process for farmers. This innovative solution combines three essential components—ammonium sulphate, penetrating oil, and non-ionic surfactants—into one convenient pack, providing superior weed control with minimal effort.
VICCHEM understands that farming is hard, but managing herbicide applications doesn’t have to be. VICCHEM’s Outright 770 is engineered to help farmers achieve effective weed control, even in the toughest conditions. Its unique formulation ensures that herbicides perform at their best, saving time and maximizing results.
KEY FEATURES OF OUTRIGHT 770
Penetrating Oil: The first key component is the ‘hasten’ penetrating oil, which aids in the uptake of lipophilic (fat-loving) herbicides. This oil helps herbicides breach the waxy surfaces of weeds, allowing for better absorption and more effective weed control.
Non-Ionic Surfactants: The second component consists of non-ionic surfactants that improve the spread and adhesion of hydrophilic (water-loving) herbicides on weed surfaces. This ensures that spray droplets stick to weeds and spread evenly, enhancing herbicide uptake and coverage.
Ammonium Sulphate: The third essential component is ammonium sulphate, which conditions hard water by tackling minerals like calcium and magnesium. This ensures that herbicides remain potent and effective, even in challenging water conditions.
Outright 770 Spray Adjuvant eliminates the need for multiple products, combining everything farmers need into one easy-to-use pack. By boosting herbicide performance, it provides consistent and reliable weed control, making summer knockdowns more efficient.
“We understand the challenges that farmers face, and we’re committed to providing solutions that make their work easier and more effective,” said Bill Dowdle, CEO of VICCHEM.
“With OUTRIGHT 770, we’ve created a product that delivers powerful results while simplifying the herbicide application process.”
ONE PACK. THREE PUNCHES.
PENETRATING OIL ENHANCES HERBICIDE PENETRATION
The penetrating oil in OUTRIGHT 770 helps herbicides breach the waxy layers of weeds for better absorption.
NON-IONIC SURFACTANTS
IMPROVES SPREAD AND ADHESION
Non-ionic surfactants ensure spray droplets stick to and spread across the weed surfaces, maximising herbicide uptake.
AMMONIUM SULPHATE CONDITIONS HARD WATER
OUTRIGHT 770’s ammonium sulphate tackles hard water minerals, ensuring your herbicides work effectively.
SELECTING THE RIGHT ADJUVANT FOR THE JOB WHEN CONTROLLING WOODY WEEDS WITH HERBICIDES
Saying that control of woody weeds is a prickly subject is more than a lame Dad joke, and for most pastoralists the task of keeping pastures free of woody weeds is a demanding activity that requires constant vigilance and attention to detail.
The list of woody weeds that invade crops and pastures in Australia is long and diverse. More than often, they are perennial invaders and well-adapted to survive adverse conditions. Many produce fruits and seeds that can spread over long distances by water, birds, rodents and animals, and their seeds are able to survive in the soil for long periods.
There are many aspects involved in the control of woody weeds, some of which are discussed next.
Pasture management. The competition effect from a healthy pasture makes it more difficult for invasive weeds to become established, and they often spread from areas of diminished competition - for example around watering points. Frequent inspection and early intervention in such areas will prevent further spread of weeds later on.
Prevention vs cure. Small clusters of invasive woody weeds can usually be eradicated with herbicides alone. However, large uncontrolled areas of growth may require mechanical intervention in the form of slashing,
ploughing, dozing or chains – followed by chemical treatment once easier access is possible. Mechanical control serves to improve access to impenetrable growth of invasive weeds and is often the first step in the eradication process. However, this may also have unwanted impact by fragmenting the plant or roots from which prolific re-growth may occur, and for which a soil residual herbicide may be required.
Timing of chemical control. Depending on the plant species and where in Australia they grow, the best timing for application of herbicides may vary. Each weed is different, and it is important to understand its respective biology when deciding when to spray. As a general rule, best results from herbicides will be achieved when the plants are actively growing, not under stress or heavily grazed, and when mixed with a suitable adjuvant to enhance its performance.
The growing environment. It is not unusual for woody weeds to grow under or amongst trees or other desirable vegetation. In such cases, the choice of herbicide should be determined by its potential impact on the non-target plants.
Herbicide labels. Product labels are an authentic source of information about which product to use to control specific weeds, how to apply it, and detailed directions for use. Most labels would
recommend the use of an adjuvant to enhance its performance, including some of the products discussed below.
Brushwet is a popular organosilicone penetrant for use with a range of herbicides including glyphosate, clopyralid, metsulfuron-methyl and sulfosulfuron-metyl for control of brush or woody weeds. It is a non-ionic surfactant with superior spreading and penetration qualities to promote uptake of the herbicide active ingredient on difficult-to-wet foliage.
When the use of a non-selective herbicide like glyphosate is required, Glysowet Surfactant is a suitable choice. It is a tallow-amine based adjuvant that is compatible with 360 g/L, 450 g/L and 840 g/kg glyphosate formulations.
Alternatively, for environmentally sensitive situations where a greater degree of spray drift control and biodegradability is required, use Wetout Spray Adjuvant. It is also recommended for use with glyphosate formulations but can also be added to paraquat and diquat products, phenoxy herbicides, soil residual, and selective herbicides. Wetout is a highly concentrated adjuvant with low use rates that helps to reduce spray drift.
Spreadwet 1000 is another concentrated adjuvant that is registered to be mixed with soil residual herbicides for control of plant or roots fragments after mechanical breakup.
Regardless of the weed to be controlled, growing situation or herbicide used, Envirodye Red Liquid Marking Dye is an indispensable addition to any brew for control of woody weeds. It is a liquid dye for use with herbicides to enable clear identification of sprayed areas –to prevent any misses or over-spraying. Envirodye Red is environmentally friendly and suitable for use in sensitive areas.
SYNGENTA LEARNING CENTRE VISIT LEADS TO CANOLA PEST ANSWERS
Troubleshooting issues with canola crop establishment isn’t always a straightforward process. The causes of some issues and necessary solutions are not always clear at first.
Elders Agronomist Benjamin Romeo handled a challenging case with corporate farmers at Canowindra in the Central West of NSW, where everything initially pointed to slugs. An extensive baiting program in 2023 did help but questions remained when Benjamin continued to find cotyledon damage and seedling losses.
Meanwhile Syngenta were carrying out development trials nationally for a new canola seed treatment, not for slugs but for a range of early season chewing and sucking insect pests. Benjamin took the opportunity to attend one of these trials at a nearby Syngenta Learning Centre, run by Syngenta Technical Services Lead Pete Wilson, which happened to feature EQUENTO® Extreme Seed Treatment.
“In 2023 I looked at Pete’s canola trials, which included EQUENTO® Extreme,” Benjamin said.
“EQUENTO® Extreme was a standout.”
“My ears pricked up. I sent a message straight to the corporate manager, ‘we should order this on the seed next year’.
Inspired by the trial visit, Benjamin revisited the challenge on his client’s Canowindra farm, confirming paddock plans for 2024 to include EQUENTO® Extreme treated canola seed.
Come seeding time, two canola hybrids were planted in paddocks separated by a laneway. On one side was the new Pioneer PY421C treated with the seed treatments EQUENTO®
Extreme insecticide and SALTRO® Duo fungicide. On the other side was the hybrid 44Y94CL, which had an older seed treatment option applied. The perfect opportunity for comparison.
The EQUENTO® Extreme treated seed was planted into cereal stubble, from the previous year, while the other variety was planted into faba bean stubble. Insect pests including slaters and millipedes were observed in both paddocks.
Benjamin said that slugs were considered to be the main issue in previous years but noted that other pests such as slaters and millipedes were subsequently found to be major causes of seedling mortality too.
“It took us a little while to figure it out. A lot of digging around in the stubble and in the mud and that’s what we found,” Benjamin said.
EQUENTO® Extreme controls red legged earth mite and blue oat mite, while also providing protection from bronze field beetle, vegetable beetle, slaters and millipedes.
The main benefit of EQUENTO Extreme, he said, was protecting the seedlings early in the establishment phase and ensuring survival of as many plants as possible.
“It is really from cotyledon to first true leaf is where we’ve had issues, where we were losing plant numbers.
“Once the plants start powering on and you’re getting to two, three and four leaves, the slaters and millipedes won’t [damage] it. Yes, we can still get pressure from slugs but the crop is able to outgrow it.”
Compared to the canola seed treated with EQUENTO® Extreme, Benjamin said the other side of the laneway wasn’t looking as good where plant numbers were thinning out.
“We are sowing canola at 2.7 kilograms per hectare and aiming for 30 plants per square metre. We were finding paddocks that were only hitting 26 to 28 plants per square metre.
“As I went across those paddocks I’d come to areas where there were definitely low plant numbers.”
The situation was much improved in the paddocks with canola seed treated with EQUENTO® Extreme, which offered protection against feeding damage and seedling mortality.
“In those high-pressure paddocks, on thick cereal stubbles and stubbles from two years prior, we were consistently getting 32 to 34 plants,” Benjamin said.
“You could see it visually [walking] across the paddock and the biggest thing for us was, ‘hey, this works’.
“This is an insurance policy, it’s very wet country. Sometimes we can’t get into the paddocks when the crop is younger during establishment, so if this can save even one [post-emergent] pass then the seed treatment pays for itself.”
He said they were ordering all 2025 canola seed treated with EQUENTO® Extreme, based on the success this season with its ability to control a wider range of pests.
“It’s a large program of canola and we are under time constraints to get the crop in. Let’s do it all once and just go from one paddock to the next.”
VIBRANCE . ® H ealthier yields start with healthier roots.
Since its introduction, VIBRANCE ® has become the benchmark in seed-applied fungicide. With three modes of action, VIBRANCE ® provides the broadest available protection against smuts, bunts, rhizoctonia and pythium.
Better still, VIBRANCE ® promotes root vigour during establishment. This ensures that seedlings get the nutrients and water they need for strong foliar growth during the critical early weeks after germination.
To help refi ne your cereal program for the season ahead, talk to your Syngenta representative, farm advisor or local retailer or visit syngenta.com.au/vibrance
Plemax is a highly effective insecticide that provides robust knockdown and residual control of key chewing pests in brassicas, leafy vegetables and fruiting vegetables.*
• Introducing a new mode of action (Group 15 / 22A) for improved efficacy and resistance management
• Knockdown and residual control of key chewing pests, including Diamondback moth and Helicoverpa spp.
• Protects yield and quality from chewing pests
EYE ON THE FUTURE WITH INSECT RESISTANCE TRENDS
More than a quarter of a century supporting brassica growers provides strong qualification to comment on insect management trends, and Greg Teske said before the arrival of an insecticide with a new growth regulant in the Lockyer Valley in Queensland in recent years, areas of the region were hitting the wall with pest control.
Greg is a Horticulture Agronomist based at Gatton with Elders and in addition to servicing the Lockyer Valley, he also assists some local growers who grow brassica crops during summer in the cooler Darling Downs area, south-west of Toowoomba.
The major brassica crops grown in the regions include broccoli, broccolini, cauliflower and red and green cabbages.
Greg said it was an overuse of Group 28 insecticides and lack of rotation with other chemistry groups that caused concerning insecticide resistance in various areas, particularly with diamondback moth (DBM). Other insects to contend with include heliothis, centre grub, cabbage cluster caterpillar, cluster caterpillar and cabbage white butterfly.
“Chlorantraniliprole was used as a plant hole drench or treatment for seedlings and had a claim to persist for 40 days, but of course it gets weaker towards the end, and then flubendiamide or additional chlorantraniliprole was used,” Greg said.
He said, fortunately, Plemax insecticide then arrived and it was a pivotal turning point for insecticide resistance management throughout the region.
Developed by ADAMA Australia, Plemax is a dual mode of action insecticide containing the well-proven active ingredient, indoxacarb (Group 22A), however Greg said the real winner was its combination with the growth regulant, novaluron (Group 15).
“Indoxacarb is still far better than some biological insecticides because it lasts longer, and the novaluron does not exist in other chemistry being used,” Greg said.
“I was involved with the early trials of Plemax and the control was outstanding compared with that from other standard insecticides at the time.
“We saw that it would be great used in rotation with other chemistry like spinetoram and emamectin benzoate.”
He said Plemax had since become a regular fixture in insect management programs in rotation with other chemistry groups; it had dramatically improved resistance levels and, hence, reduced the applications required in programs; it had helped to save some existing insecticides coming under increasing pressure; and it was now rotating well with some latest Group 30 insecticides to further improve control.
“Plemax gave us a product with longer legs – it immediately improved the activity on pests over a longer period.”
“Indoxacarb is weaker on insects like cabbage cluster caterpillar after some strong use of the single insecticide, but the novaluron in Plemax targets them, so we have a broad range of pests we can control.”
Greg said against DBM, application at the optimum time, just prior to eggs hatching, was “absolutely critical”.
“When you get the timing right, you generally won’t have an escape. And if you are late, perhaps due to rain, you still put Plemax on and the novaluron will pick up the larvae. Having the novaluron with the indoxacarb is like having insurance.”
He said it was important to correctly identify and understand pests and their life cycles, the full scope of product applications in brassica crops, and climate factors.
“In warmer months, the life cycles are so quick. It can be five days from laying to hatching. In winter, that life cycle is then doubled.
“You also have to watch rain events because then you may not be able to get onto paddocks and the pest pressure can go from low to high.
“My motto has been to apply early for best results and most growers now understand this. If you go early, and when Plemax has its best fit, you get in front of the pest, control them early and you don’t have too many issues further forward. If you see the eggs are going to hatch in three days, spray in two days’ time.
“It’s all about monitoring to use the insecticide effectively. We have got brilliant chemistry and if we don’t abuse it, we will have it for a lifetime.”
Greg said he generally advised that if insect pressure was moderate to high, the 300 mL/ha rate of Plemax should be applied up to three times per crop, in conjunction with rotating other chemistry groups into programs according to the particular pest.
He said crop safety with Plemax also had been excellent and there had been no need to mix other chemistry groups with the insecticide.
“For centre grub and DBM, we have used Plemax back-to-back and that’s all that’s been needed with the application. We then go to a different active (ingredient).”
THE NEW BENCHMARK IN 2,4-D
In creating Amicide Advance 700, Nufarm leveraged its extensive local expertise in 2,4-D, and applied that knowledge to another solution for tackling hard-to-kill weeds: Nufarm DROPZONE.
Featuring a unique formulation, droplet optimisation, and low odour, it offers all the advantages of a highly efficacious 2,4-D product with none of the drawbacks.
UNIQUE FORMULATION
Field testing has placed DROPZONE at the front of the market for speed and efficacy. Nufarm compared activity against other amine 2,4-D formulations and DROPZONE delivered faster brownout and had up to 10 per cent improved efficacy, even on problem weeds like sow thistle.
Craig Bell, Senior Agronomist from Elders Murray Bridge in South Australia initially saw DROPZONE in trials and was immediately impressed with the control rate.
“Summer of 2022, coming off a really wet harvest, we had some big brassica weeds come through, horehound,
cape weed a few marshies so mixed DROPZONE at 1 litre with 1.5 litres of weedmaster DST and got excellent results. I think the pull-down power of the DROPZONE really complimented the DST. Obviously had grass weeds, hence we needed the DST. The combination was excellent, couldn’t speak more highly,” said Craig.
DROPLET OPTIMISATION
The key factor in DROPZONE’s performance is Nufarm’s unique droplet optimisation formulation. Growers often opt for a larger spray quality or use driftreducing adjuvants to reduce drift in 2,4-D products, both of which create larger droplets and reduce coverage. DROPZONE’s new technology means that it delivers up to 96 per cent of spray volume in the ideal droplet size zone –between 150 and 720 microns – which gives excellent coverage and efficacy, while reducing the potential for drift.
“It’s about that droplet optimisation, we’re getting the product on the targets, obviously with a somewhat marginal area of time, so we don’t want to use more than we have to, with the confidence
to use the amount to get to the plant is what we are looking for. I think we’ll use more and more,” Craig said.
LOW ODOUR 2,4-D
Minimising the characteristic odour of 2,4-D products is another key benefit of the DROPZONE formulation.
“Obviously 2,4-Ds have a distinctive odour and most people know why that is, and so if we can have a product we can use with confidence,” said Craig.
“I think the growers have confidence, they’ve got to live in the area, they can’t just pick up and shift because they farm there. They’ve got to work with the neighbours and get along so that is where I think it comes into its own.”
AUSTRALIAN THROUGH AND THROUGH
Nufarm has invested significant resources and over 10 years into developing DROPZONE, which is another demonstration of its continued 2,4-D stewardship for Australian agriculture and commitment to Australian growers.
Robust and flexible control when it matters most
• Powerful insecticide which works on target pests through ingestion and contact
• Translaminar movement to underside of leaves (single application, dual exposure)
• A new active ingredient within Group 30, with no known resistance
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BASF LAUNCHES TWO NEW HIGH PERFORMANCE VARIETIES WITH INVIGOR
BASF will launch two new high performance InVigor hybrid canola varieties for the 2025 growing season. This expanded InVigor canola range will allow farmers in all canola-growing areas to select varieties with excellent yield potential and manage their crops with unmatched flexibility.
BASF’s InVigor hybrid canola breeding program is one of the most innovative programs in Australia. It introduced the PodGuard® (shatter tolerance) and LibertyLink® traits, both of which are still exclusive to local InVigor varieties. The LibertyLink trait enables the use of Liberty® (glufosinateammonium) herbicide on the growing crop if an extra herbicide mode of action is needed to control glyphosate-resistant or other hard-to-manage weeds. The PodGuard trait provides unique shatter-tolerance, reducing the risk of ripe seed pods shattering, compared to a conventional variety.
InVigor LR 4540P was launched last year as the first variety containing both the TruFlex and LibertyLink traits as well as PodGuard. It has an early to mid maturity rating of 4.5. The two new varieties have the same combination of traits with different maturities, as their names reflect. InVigor LR 3540P is a 3.5, early maturity variety. InVigor LR 5040P is a 5.0, mid maturity variety. All three varieties offer outstanding yield potential for TruFlex varieties within their respective timings.
“TruFlex varieties have always been valued for their high yield potential,” said Parvana Wali, Head of BASF Agricultural Solutions Australia and New Zealand.
“What our varieties add is enormous flexibility to help growers consistently achieve that potential. This includes the ability to use Liberty as well as glyphosate as an in-crop herbicide to manage particular weeds. Then there’s the flexibility PodGuard gives growers at harvest time, when they can let the crop stand for longer – and possibly choose to direct-head it – with much less risk of yield loss.”
“Growers saw the benefits as they grew InVigor LR 4540P for the first time in areas with good to high rainfall. Now farmers across all canola-growing areas can choose one of our LR triple-trait varieties knowing that they’re better equipped to deliver an excellent return on investment than any other hybrids, TruFlex or not,” she added.
BASF remains committed to supporting Australian canola growers do the biggest job on earth with the launch of its cutting-edge solutions. The launch of these new InVigor varieties empowers farmers to navigate unpredictable environments and achieve consistent high yields.
True Flexibility It’s all in the
family!
Introducing the growing family of InVigor LR varieties providing three levels yield protection to maximise yield potential for early, early-mid and mid season maturities.
Choose the InVigor variety to best suit your region and budget and grow with extra confidence knowing all are backed by our 45-day Replace MySeed* establishment guarantee.
GEMEL AND LUIGI, CULTIVATING PASTURES
FOR PROFIT AND SUSTAINABILITY IN NORTH QUEENSLAND
Gemel and Luigi are seasoned cattle and sheep farmers from Marian Queensland (30 km west of Mackay) who have run a successful 100-acre livestock for nearly 20 years.
Over the years, they have developed a well-honed approach to pasture management and seed selection with the help from DLF Seeds. However this spring, they have incorporated a more natural seed management practice with a seed mix that meets their goal to reduce the use of synthetic fertilisers.
In the past, Gemel and Luigi have had success with a straight sown paddock of Jarra grass and, a mixed pasture of DLF Seeds Mekong briz™ antha and V8® stylo– all of which has kept their pastures, cattle and sheep in good shape.
Mekong has been a cornerstone of their operation and has proven particularly effective for the tropical conditions of North Queensland. Its rapid response to the region's climate, resilience to extreme weather and its ability to subdue undesirable species such as Giant Parramatta grass and make Mekong one of the star performers in Gemel and Luigi’s improved pasture system.
Recently, Gemel and Luigi have introduced more legumes into their operation.
“We were aiming to cut back on synthetic fertilisers and use microbes and natural methods to improve soil health,” Gemel said.
“I’ve been incorporating legumes with the grasses, like V8® Stylo, Burgundy Bean and more recently, Lucerne, to get the Nitrogen that boosts plant growth naturally and reduce the need for synthetic fertilisers,” Luigi added.
By reducing their dependence on synthetic fertilisers and incorporating more legumes into their pasture seed mix, Gemel and Luigi aim to enhance their soil health naturally and support the microbes and other bugs that improve soil structure and fertility.
Mekong and Humidicola outgrow and smother weeds/undesirable species like Giant Parramatta grass, reducing our dependence on chemicals” Luigi said.
This is why maintaining Mekong in their pasture and seed mix decision is crucial for controlling Giant Parramatta grass as a high weed burden of this, can significantly degrade pasture quality.
As they refine their approach, Gemel and Luigi are working closely with DLF Seeds Sales Agronomist Gerry Dogao who has been instrumental in helping them develop this Spring’s seed
mix, including Mekong briz™ antha, Solander Setara, Caatinga stylo, V8® stylo and Burgundy Bean.
“I worked with Gemel and Luigi across their whole property, working out what they need for each paddock to create the seed mix that will help them achieve their goals.” explains Gerry.
“We’ve begun using lucerne on their property too. Lucerne is a legume that fixes its own Nitrogen, all whilst supporting the production of protein critical to healthy plants and livestock. By adding lucerne to their mix, we’re introducing an additional source of nitrogen into their pasture system, which in turn helps to promote healthier pastures.”
The custom seed mix Gerry has developed for Gemel and Luigi continues to help their farm prosper and work toward their sustainability goals this Spring.
“You want a product that's going to actually work for you and DLF Seeds does just that. Gerry always comes out to the property and provides advice specific to our needs, and that support really does contribute to the success of our farm,” concludes Luigi and Gemel.
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SUPPORTING COTTON GROWERS IN CENTRAL WEST NSW
IN THE LEAD UP TO WORLD COTTON DAY, WE EXPLORE EXCITING DEVELOPMENTS UNDERWAY IN THE CENTRAL WEST REGION OF NEW SOUTH WALES.
Paul Purvis is an agronomist based at Elders Trangie and Warren in New South Wales. Paul has worked with Elders for over two years, supporting clients’ broadacre cropping and pasture programs, with a focus on cotton.
Since joining Elders, Paul has been working closely with one of the region’s largest cotton growers, Agriland. His work is focused on their 1600-hectare cotton program, situated on their 8000-hectare farm located between Trangie and Narromine.
“In collaboration with Dubbo Agronomist Rochelle Field and Trangie Graduate Agronomist Bridgette Howe, we provide crop monitoring support throughout the seasons, increasing our level of support during key periods,” Paul said.
"Agriland’s operation is quite expansive, with us supporting the seasonal production cycle of the crop as before it goes to the nearby cotton gin operated by Australia Food and Fibre.”
Paul said that the season this year in the Central West tracked really well due to mild weather conditions and reasonable water availability.
“We experienced very mild conditions this year, with no periods of heat shock, low secondary insect pressures and efficient water availability, all leading to positive yield volumes,” he said.
“Most growers completed harvesting by May, however some with larger crops faced delays due to significant rainfall. Remarkably, crops that remained in the field for five months during this wet period have shown promising yield and quality, a testament to the overall durability of cotton.”
In a step that will allow for additional growth and capacities for future seasons in the region, an Elders fertiliser shed has been constructed on the same stretch of Agriland property.
“Customer feedback really highlighted the need for the facility," Paul said.
"We want to remain competitive and meet the needs of our loyal customers, without driving them to seek needed services elsewhere,”
Set to be operational this month, the fertiliser shed will benefit both the Elders business and customers alike.
“Our clients will now have the convenience of bulk purchasing and flexibility of accessing smaller quantities” Paul said.
“In bad weather, delivery trucks can face challenges. Our prime location offers a safe drop-off point, straight off the highway, to combat these issues.”
The Elders Warren branch, which opened its doors in April, has been well received by local residents with almost 100 attending the opening.
“We have young and enthusiastic staff at the branch, who are eager to establish themselves in the area and build long lasting client relationships,” Paul said
“Our key point of difference for the area has been our diverse service offerings."
"The branch has been hosting information nights and events, enabling us to connect with clients involved in mixed cropping operations to foster strong, future business relationships.”
WA AGRONOMY TEAM COLLABORATES FOR PROFESSIONAL DEVELOPMENT EVENT
THE ELDERS WA AGRONOMY TEAM RECENTLY SPENT THREE DAYS IN THE GREAT SOUTHERN REGION, COLLABORATING WITH KEY SUPPLIERS AND VISITING 14 FARMS TO EXPLORE A VARIETY OF INNOVATIONS AND FARMING PRACTICES.
The three-day event provided valuable insights into local challenges like waterlogging, crop rotations, and herbicide resistance. At several farms, the team examined precision agriculture tools that help growers better manage water and fertiliser, improving both productivity and environmental sustainability.
Bill Moore, Elders Technical Services Manager – West, highlighted the importance of events like this to help the team in their understanding of new crop varieties and chemical options.
“With so many new canola varieties available. It’s crucial we understand their strengths, we can help our clients choose the best fit,” he said.
“The changing landscape of agriculture means we need to be continually researching ways to make farming more sustainable for our growers.”
Another major focus of the tour was tackling herbicide resistance.
“We visited a site dealing with resistance to both glyphosate and paraquat in ryegrass, exploring ways growers can sustainably control this weed.”
The team also visited the CSBP Research Site, where trials are underway on high yielding canola and barley.
Bill said the event gave the agronomy team new knowledge which they can pass on to their clients.
“Suppliers like Syngenta use these tours to show us their products in action,” Bill said.
“We saw both the benefits and limits of their new fungicide, Miravis Star, especially under drier conditions.
“Both our clients and Elders as a business rely on our agronomists to be at the forefront of the latest innovations and information, and so it is pleasing to be able to be introduced to new ideas and products in action.”
This professional development event strengthened relationships with suppliers and ensured the team stays up to date with the latest innovations, all aimed at supporting growers across Western Australia.
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Triguard is a potent triple-active combination drench. Providing a full dose of 3 short-acting ingredients, Triguard can help delay the onset of resistance. That’s why generations of Australian sheep farmers trust Triguard time after time for broad spectrum parasite control.
SUMMER DRENCHING – PREPARING YOUR WINTER PASTURE
Summer drenching is vital in minimising the level of larval pasture contamination responsible for winter worm burdens in southern Australia.
The use of a first summer drench is still recommended best practice in the winter dominant and uniform rainfall regions of Australia1,2. The aim of summer drenching is to remove the worms in the sheep when the numbers of infective larvae on pasture are low or in decline (due to summer weather conditions). This reduces the number of infective larvae on pasture the following winter, thereby reducing the production cost of worms and number of drenches needed at this time.
The predominant worm species of these winter rainfall regions are the black scour worm (Trichostrongylus spp.) and the small brown stomach worm (Teladorsagia spp.). These typically cause problems over the autumn and winter period when favorable conditions and susceptible livestock allow for a significant buildup of infective larvae on the pasture. Research shows that a significant portion of infective larvae responsible for winter infections are deposited on pasture during summer by adult worms present in the sheep4.
The control of these worms over summer will significantly reduce the pasture larval burdens responsible for
winter outbreaks. Effective summer worm control programs also reduce the reliance on long acting drenches later during the lambing season.
Lambs that have reduced worm larval challenge have greater growth rates than lambs with a high larval challenge, even when drenched regularly. Setting up pastures that enable healthy, productive lambs is a summer job.
WHICH DRENCH TO USE
The summer drench of choice is one that:
> Has an efficacy, as close to 100% as possible – any worms that survive this treatment will result in pasture contamination. A combination of highly effective actives in a triple drench such as TRIGUARD® is recommended best practice2,3.
> Has a short length of activity - that will apply less selection pressure for resistance at a time when there is less refugia (the proportion of worms not exposed to the drench) on the pasture to dilute contamination from resistant adults. Persistent actives such as moxidectin are recognized for their potential to select more rapidly for resistance1, and this effect can be exacerbated during times when there is less refugia on pasture.
WHEN TO SUMMER DRENCH
The timing of the first summer drench between regions is based on what is most appropriate for worm control and drench resistance management. WormBoss.com.au provides a number of recommendations for various regions regarding the timing of the first drench, but generally it is a few weeks after the pasture has senesced in late November/ early December.
Timing of subsequent summer drenches is best indicated by worm egg count tests conducted routinely over summer. In non-endemic barber’s pole worm regions, testing should commence 4 to 6 weeks after the first summer drench and continue over the summer to ensure egg counts remain low. Summer rainfall will likely increase the need for subsequent drenches, but by following the above approach, both outbreaks of barbers pole worm and winter pasture contamination will be minimised.
This summer, prioritise a summer drench program to ensure healthy, productive sheep over summer and reduce the risk associated with severe worm infections in winter. TRIGUARD® is an ideal choice for summer drenching due to its combination of three actives and short length of activity.
IS YOUR SHEEP DRENCH REALLY WORKING?
Lamb and wool producers are urged to conduct a DrenchCheck to determine the efficacy of their proposed sheep drench this season.
Elanco Brand Manager – Sheep, David Rathbone, says there is widespread single, double and triple resistance to all older active ingredients, including moxidectin.1
“Despite this, many livestock producers do not know the efficacy of their drench or incorrectly believe it is still fully effective,” he says.
“Unfortunately, resistance isn’t ‘black’ or ‘white’.
‘Resistance’ is defined as when a drench is unable to reduce the worm burden by more than 95%.2
“Some drenches might have 90% efficacy; some might have 80% efficacy, and some might have 50%.
“These drenches are ‘working’ to some degree – but any reduction in efficacy has a direct impact on the health and productivity of sheep.
“Even mild or moderate levels of drench resistance can result in a significant economic loss to the producer.”3
Elanco assisted 121 lamb and wool producers who participated in the Zolvix Plus Challenge to complete DrenchChecks during 2022 and 2023.4
In 53 of these DrenchChecks, the drench administered failed to achieve greater than 95 per cent control of the worms present in the sheep at the time of testing, suggesting some level of resistance.
“Some of the results showed the drench was not working as well as it should,” Mr Rathbone says.
“In others, it showed the drench didn’t work at all or gave an indication that a specific worm species was highly resistant to that mode of action.
“Our advice is simple: if you don’t know the drench resistance status of the worm population on your property, then you should conduct a DrenchCheck and find out.”
References: 1:
al.
al.
Industry guidelines recommend that producers monitor drench efficacy regularly; only use ‘fully effective’ drenches or ideally, combination drenches; and only use long-acting drenches during high worm-risk conditions.5
Elanco is continuing to offer free DrenchChecks via the Zolvix Plus Challenge.
“We are committed to helping our customers to get the best outcome from their investment in animal health products,” Mr Rathbone says.
“To participate, register online at Zolvix Plus Challenge before your next planned drench.”6
A DrenchCheck involves conducting two Worm Egg Count tests to determine the reduction in the worm egg count after drenching.
The first test is conducted before drenching, while the second is conducted 10 to 14 days after drenching.
The presence of any worm eggs – even very low counts – 10 to 14 days after drenching may indicate a problem.
The larval culture results from the second test will indicate which worm species survived treatment and may be resistant to that drench.
“A DrenchCheck provides a simple and cost-effective method of determining the effectiveness of your current drench against the worm burden in your sheep at the time of testing,” Mr Rathbone says.
“However, it is a ‘first step’ and does not accurately determine resistance status.”
Conducting a full DrenchTest (Worm Faecal Egg Count Reduction Test) every two or three years is regarded as best practice to accurately determine the resistance status and efficacy of each drench class against each worm species.7
Prevalence and severity of anthelmintic resistance in ovine gastrointestinal nematodes in Australia (2009-2012). Aust Vet J 92(12):464–471.
The detection of anthelmintic resistance in nematodes of veterinary importance. Veterinary Parasitology. 136:167-185. 3. Besier, R.B., et al. (1996). Drench resistance – a large economic cost. J Agric West Aust 37:60–63. 4. Elanco DrenchChecks 2022/23 National Summary – Technical Update PM-AU-24-0150. 5. https://wormboss.com. au/tests-tools/choosing-and-using-drenches/ 6. Terms and condition apply. Visit Zolvix Plus Challenge Registration (elanco.com). 7. http://tools.wormboss.com.au/sheep-goats/ tests-tools/tests/checking-for-drench-resistance-with-a-drenchcheck.php
There is widespread single, double and triple resistance to all older active ingredients, including moxidectin, throughout Australia.2 In fact, a national DrenchCheck program conducted by Elanco in 2022/23 found almost half of the drenches tested failed to deliver fully effective worm control.3 Even mild or moderate levels of drench resistance can impact the health and productivity of your sheep. If you don’t know the efficacy of your drench, then find out this season by completing a free DrenchCheck worth about $280.1 To participate, register online at zolvixplusrewards.com.au before your next planned drench.
For 185 years Elders has been embedded in the fabric of Australian agriculture and played a key role in rural and regional communities by employing local people and servicing local farming families. We're dedicated to continuing this legacy through our extensive network, and, by paving the way toward a bright future for agriculture through our ongoing focus on innovation and sustainability.
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