PLUS: Irrigation and Nitrogen Management Strategies • Nematode Resistance
Winter 2023-24
Variety Buyers’ Guide
TABLE OF CONTENTS
Vol. 31, No. 4
WINTER 2023-24
PO Box 333 Roberts, Idaho 83444 Telephone: (208) 520-6461 Circulation: (503) 724-3581
CarrotCountry.com
4 Irrigation and Nitrogen Management
CARROT COUNTRY CONTACTS
8 Nematode Resistance Progress Report
Publisher / Advertising Manager Dave Alexander dave@ColumbiaMediaGroup.com
9 Bayer Experience
Director of Operations Brian Feist brian@ColumbiaMediaGroup.com
Strategies
10 Carrot Variety Buyers’ Guide
Editor Denise Keller editor@ColumbiaMediaGroup.com
EDITORIAL INFORMATION Carrot Country is interested in newsworthy material related to carrot production and marketing. Contributions from all segments of the industry are welcome. Submit news releases, new product submissions, stories and photos via email to: editor@ColumbiaMediaGroup.com, or call (509) 697-9436.
ADVERTISING SALES For information on rates, mechanics, deadlines, list rental, direct mail, inserts or other information, call (208) 520-6461 or email: dave@carrotcountry.net
SUBSCRIPTIONS U.S. $20 per year Canada $30 per year Foreign $45 per year
Subscribe online at: www.CarrotCountry.com/subscribe or call (503) 724-3581
Carrot breeder Phil Simon (center) shares his thoughts on the results of a field trial in Coachella, Calif. Find out how the trial is helping researchers evaluate nematode resistance in carrots on page 8. Photo by Kevser Ozel, University of Wisconsin
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ON ThE COVER
DEPARTMENTS
Seed companies are showcasing their favorite carrot cultivars. See their top picks in our Carrot Variety Buyers’ Guide, starting on page 10.
9 New Products
Carrot Country • Winter 2023-24
14 Advertiser Index 15 Calendar 15 In the News
Email address changes/corrections to brian@ColumbiaMediaGroup.com or mail to: Carrot Country PO Box 333 Roberts, ID 83444 Carrot Country magazine (ISSN 1071-6653), is published four times a year and mailed under a standard rate mailing permit at Idaho Falls, Idaho and at additional mailing offices. Produced by Columbia Media Group PO Box 333, Roberts, ID, 83444 Copyright 2023. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose without the express written permission of Columbia Media Group.
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NAVAL
Very full-sized Nantes with strong dark green tops and cylindrical, smooth blunt roots. A specialized variety with a sweet taste when sown in fall for winter harvest.
Similar to Nelson, with more uniform roots and plant vigor. The 5 1/2–6 1/2” roots have mild flavor and crisp, juicy texture with early sugar development. Strong, compact tops for bunching.
Resistance IR: Ar / Cc / Ps, Pv
Resistance IR: Ar / Cc / Ps, Pv
A Nantes type that produces very shapely, uniform, hairless roots 7-9 inches long. Crisp and sweet, Naval resists cracking with an added bonus of a long shelf life.
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Irrigation and Nitrogen Management Strategies By Ali Montazar, Michael Cahn and Jaspreet Sidhu, University of California Cooperative Extension; and Daniel Geisseler, University of California - Davis
W
ater and nitrogen (N) management in carrots is critical for increasing efficiency of crop production by decreasing costs and nitrate leaching losses. This will become increasingly important with high fertilizer prices, and as water quality and quantity concerns continue to increase. To maximize yield and quality, carrots need a sufficient level of N in the soil. Matching N fertilizer applications with carrot N uptake, and water applied with crop water requirements can optimize N and water use efficiency, as well as crop yield and quality. A study was conducted to gain information on improving and promoting adoption of management practices that optimize N and irrigation water use efficiency in California carrot production systems. A two-year study (October 2021 through March 2023) was conducted at the University of California Desert Research and Extension Center in Holtville, California (Fig. 1). The experiment consisted of three N fertilizer strategies (N1, N2, N3) under two irrigation regimes (I1, I2). The trials were arranged in a randomized complete block with split plot arrangement over four replications. Each sub-plot included 12 beds 40 inches wide and 60 feet long. Ten lines of Choctaw fresh market carrots were seeded in each bed.
The dates of first irrigation and harvest were Oct. 8, 2021, and March 17, 2022, for the 2021-22 trial, respectively. These dates were Oct. 4, 2022, and March 14, 2023, for the 2022-23 trial, respectively. Solid set sprinklers were used to irrigate the trials throughout both seasons. The study field of the 2021-22 season had a sandy clay loam (top 1 foot) to sandy loam (1-3 feet) soil texture. The soil texture of the field in the 2022-23 season was silty loam at the top 2 feet and sandy loam below 2-foot depth. The water applied to the irrigation treatments was monitored using magnetic flowmeters on a 30-minute basis (Fig. 2). Actual soil nitrate content (NO3-N) and total N percentage in tops and roots were determined monthly through laboratory analysis. Preplant and post-harvest soil samples were taken from six depths (1-6 feet). At other sampling dates, soil was collected from the top three depths (1-3 feet). A composite soil sample was analyzed from each layer for NO3-N content. Canopy images were taken on a weekly to a 15-day basis utilizing an infrared camera to quantify crop canopy coverage over the crop seasons. Plant measurement was carried out on 40-plant samples collected randomly per plot, and determinations of fresh and dry weights of roots and foliage were made on a regular monthly basis during the seasons. The plant measurement was conducted on 100-plant samples per plot at harvest.
Figure 1. A 2021-22 field trial evaluates nitrogen and irrigation water use efficiency in California carrot production systems.
Figure 2. Magnetic flow meters and data store and transfer equipment monitors water applied to a 2022-23 field trial.
Field Experiment
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Carrot Country • Winter 2023-24
Water and Nitrogen Applied
The seasonal water and N applications in the different irrigation regimes and N strategies are listed in Table 1. A preplant N fertilizer with monoammonium phosphate was broadcast at a rate of 280 lbs./ac over the entire trial area in both seasons. Urea ammonium nitrate (UAN-32) was injected into the sprinkler system to supply the remaining amount of N for each nitrogen treatment. The application rates varied from 140 to 235 lbs. N/ ac in the 2021-22 season and from 145 to 217 lbs. N/ac in the 2022-23 season. The amount of irrigation water was determined using the CropManage irrigation and nitrogen decision management tool (www.cropmanage.ucanr.edu) to provide 100 percent of crop water needs (ET or irrigation regime 1) and 25 percent more than crop water needs (125 percent ET or irrigation regime 2). The amounts of irrigation varied from 24.5 to 30.8 in. and from 23.6 to 29.7 in. in the 2021-22 and 2022-23 seasons, respectively (Table 1). The trends of water and N applications per event for the 2022-23 season can be found in Fig. 3.
Impact on Nitrogen Uptake
Data of this study reported in an earlier article suggested that nearly 50 percent of the total N in carrots is taken up during a 50day period, 80-130 days after seeding. This 50-day period appears to be the most critical period for N uptake, particularly in the storage roots, when carrots developed the large canopy and the extensive rooting system. The findings also demonstrated that for a 160-day crop season in the low desert of California, 22 percent of N uptake took place over the last 30 days before harvest. The highest N accumulation rates at harvest were associated with the N2 treatment under the I2 irrigation regime (273 lbs. ac-1) and the N3 treatment under the I1 irrigation regime (281 lbs. ac-1) in the 2022-23 season (Fig. 4). However, nitrogen application rates had no statistically significant effect on total N uptake (roots and tops) and the N accumulated in roots. The N application rate had a clear and scientifically significant effect on increasing aboveground foliage (tops), which could be a reason for greater nitrogen uptake at the higher rate of N applied. The results provide evidence for an overall effect of the interaction of irrigation regime and nitrogen management
Figure 3. Cumulative water and nitrogen (N) applied in each of the irrigation regimes and nitrogen strategies over the 2022-23 season
strategy on the total N accumulation in carrots (roots and tops) even though the irrigation regime as an individual driver had no significant effect on the N accumulation (neither the total nor tops or roots). It is likely relevant to the range of water application rates. The 25 percent over-irrigation couldn’t have a considerable impact on leaching nitrate within a silty loam soil type. A higher amount of excessive water through a more aggressive over-irrigation scenario (for instance, 150 percent ET) could influence the N uptake differently. The results of nitrogen accumulation were basically consistent within the two seasons.
Impact on Carrot Fresh Roots
Figure 4. Mean nitrogen (N) uptake distribution in carrot roots and tops affected by water regimes and nitrogen application rates in the 2022-23 season. The bars demonstrate the standard error of root yield values. Fresh root yields with different letters significantly differ (p < 0.05) by Tukey’s test.
Although no statistically significant impacts were found from both irrigation and N application rates on the fresh root yield in the 2022-23 season, N application statistically affected root yield in the 2021-22 season (Fig. 5). The lowest fresh root yield (40.8 t ac-1) was observed in the I2N1 treatment (irrigation regime 2 and an N application rate of 140 lbs. ac-1). A lower soil residual nitrate content could have contributed to a lower root yield in CarrotCountry.com
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Table 1. Seasonal water and nitrogen (N) application rates in the study seasons
Conclusions
Nitrogen and irrigation water must be effectively used in mineral soils to produce carrots with high yield and with minimal 2021-22 2022-23 environmental impact. In the low desert of California, the season season majority of N is taken up during the months of December to N application (lb. N/ acre) N1=140 N1=145 February, and hence, proper N fertility in the effective crop root N2=185 N2=180 zone is essential during this period. An integrated optimal N and N3=235 N3=217 water management plan needs to be followed to achieve high N Water application (in) I1=24.5 I1=23.6 and water efficiency, and consequently overall profitability. Positive impact of N application rate on carrot root yield was I2=30.8 I2=29.7 observed, but statistically no significant relation was found. The this specific treatment in the 2021-22 season. A greater mineral findings of this study suggested that N application rates greater N content in the top 2 feet of soil was determined right before than 145 lbs. ac-1 do not have a significant impact on carrot planting in the 2022-23 season (106 lbs. N/ac) than in the 2021root yield in a well-managed irrigated field with a silty loam soil 22 season (77 lbs. N/ac). texture (above 2 ft.) to sandy loam (below 2 ft.). However, the Since residual soil N can contribute considerably to the N fact that more N was taken up in the crop than applied for the N1 requirement in carrots, preplant soil nitrate-N assessment down and N2 treatments would suggest that the residual nitrate in the to 2-ft. depth is a tool that can enable growers to improve N soil from the past season contributed to the N nutrition of the management and maximize yield and quality while minimizing crop. Higher N rates are likely necessary in over-irrigated carrot economic and environmental costs. fields (receiving more than 125 percent of crop ET), or fields with The findings suggested insignificant difference of fresh root a low residual nitrate content. This is because improving N use yields impacted by the interaction of irrigation regime and N efficiency is closely associated with water use efficiency. On sandy strategy within the range of application rates in both seasons. textured soils, water management can be especially important for Different results could be obtained in a field that is irrigated achieving high N use efficiency in carrots. Carrots need variable more than the I2 treatment (> 125 percent of CropManage seasonal water application that depends on planting time, length recommendation), has a low residual nitrate content or/and has a of season, variety, soil types and irrigation efficiency. In this study, sandy textured soil. we used CIMIS reference evapotranspiration data and a crop 23-11 Carrot Country .5 Page.v1.pdf 1 2023-10-27 12:16 pm
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Carrot Country • Winter 2023-24
coefficient model applied through CropManage online software to estimate water requirements of carrot before each irrigation. Growers are encouraged to try using a reduced N rate (1020 percent lower than their current practice) on a small field to evaluate how it fits their specific farming practices before they adopt it on a widespread basis. Analyzing soil samples for residual soil nitrate early in the season (after the preirrigation) and in-season soil nitrate and leaf tissue analyses can provide confidence in the new practices and allow for corrective measures. Information on using the soil nitrate
quick test can be found at www.cdfa.ca.gov/is/ffldrs/frep/pdfs/ nitratequicktestweb.pdf. Sufficient N availability in the crop root zone over the growing season and the lack of significant yield response to N application within the range of N application rates in this study suggested that N optimal rates could be likely less than 180 lbs. ac-1 in the low desert of California. Authors’ note: Funding for this study was provided by the California Department of Food and Agriculture (CDFA) - Fertilizer Research and Education Program (FREP) and the California Fresh Carrot Advisory Board.
Figure 5. Mean fresh carrot root yields as affected by water regimes and nitrogen (N) application rates over the study seasons. The bars demonstrate the standard error of root yield values. Fresh root yields with different letters in each season significantly differ (p < 0.05) by Tukey’s test.
For more information contact: Merek Dorf | m.dorf@rijkzwaan.com
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Nematode Resistance Progress Report A field trial evaluates carrots resistant to root-knot nematodes (top) and susceptible to root-knot nematodes (bottom).
Photos by Kevser Ozel, University of Wisconsin
B
reeding efforts seem to be paying off as researchers are seeing more and more carrots showing resistance to root-knot nematodes.
Carrots were put to the test in a recent trial that included a large collection of open-pollinated carrots from the USDA germplasm collection, along with
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Early maturing. Tender texture, excellent culinary quality. Smooth exterior, deep orange interior and shoulders.
SV2384DL
68 days. Dark orange thick cylindrical roots for mineral or muck soils. Roots have semi-blunt tips with small cores.
ORANGE BLAZE
70 days. Smooth, cylindrical vigorous roots. Adaptability to muck, mineral and deep peat soils. High yield potential.
BOLERO
56-66 days. Very smooth. Upright, strong tops are attached well. Vigorous, tolerates frost. Very sweet.
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Carrot Country • Winter 2023-24
breeding materials from the University of Wisconsin’s program and the seed industry. The trial evaluated the selections for root-knot nematode resistance in the field with the objective of identifying resistant carrot genotypes for future breeding efforts and genetic research. The annual trial has been ongoing for several decades at California locations including Coachella, Kearney and Irvine. This year’s trial took place at the University of California – Riverside Coachella Valley Agricultural Research Center. There, Phil Roberts and Bill Matthews maintain a root-knot nematode-inoculated field by growing crops that are susceptible to rootknot nematodes, which helps keep a high and fairly uniform nematode population in the field. The University of CaliforniaRiverside team then grew carrot breeding material that the seed industry chose to be evaluated for root-knot nematode resistance. Nematode pressure was very high in this year’s trial, and results overall were consistent for breeding stocks that were included from previous years’ trials. This year’s trial demonstrated that even though most carrots are susceptible to root-knot nematodes, including all available commercial cultivars tested, breeding efforts are working, as evaluators saw an increasing amount of resistant breeding material. The trial yielded some really good-looking resistant carrots in the cello, cut-and-peel, and novel-colored carrot categories, according to organizers. Carrot growers, seed industry reps and the public were invited to the trial display at harvest, with a good number and diversity of participants in attendance, from growers to researchers in the seed industry and universities.
Bayer Experience
Seminis carrot breeder Laura Maupin visits with event attendees at the Seminis facility in Payette, Idaho.
C
arrots were on display at the Pacific Northwest Bayer Experience this summer. Held in Payette, Idaho, at the Seminis breeding facility, the Experience gave growers an opportunity to see Seminis varieties in the field, taste them and get questions answered from carrot breeder Laura Maupin. The healthier eating trend has contributed to an uptick in vegetable acres, and Bayer wanted to acknowledge
this by showcasing not only carrot varieties Orange Blaze and Malbec, but also onions, corn, watermelons and peppers. Orange Blaze is a uniform, prototypical “Bugs Bunny” variety found cello-packed in grocery stores. Malbec is a pretty, red variety, uniform in color, both outside and inside. It is also uniform in length and suitable for the fresh market and processing.
Carrots are on display at the Pacific Northwest Bayer Experience in August.
NEW PRODUCTS
Tong Engineers Narrower Field-Loading Machine
Tong Engineering has come out with a new, more compact version of its field-loading machine. Suitable for use on a wide range of root crops including carrots, potatoes and onions, the new FieldLoad Pro features all the same options as the flagship machine but in a narrower format. The machine includes a heavy-duty reception hopper feeding a choice of crop cleaning units including Tong’s EasyClean separator. The new FieldLoad Pro model features the standard fourman inspection cabin and a 51-inch-wide fully foldable cart elevator. Like the larger model, the new compact model can be equipped with the latest optical sorting equipment as an alternative to the standard inspection cabin. Visit https://us.tongengineering.com.
Irrigation Controller Placement Improves Pivot Performance
The new Edge Controller from T-L Irrigation Co. enables irrigators to monitor and control pivot operations remotely. With no physical control panel needed at the pivot point, the controller itself is strategically installed on the end tower, increasing accuracy and reliability of pivot function, according to the company. This move also puts the pivot water pressure sensor at the end tower, ensuring the entire system is reaching the necessary water pressure for consistent, uniform application. The Edge Controller is available for new systems and can be retrofitted to existing systems. Visit www.tlirr.com.
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CARROT VARIETY BUYERS’ GUIDE Maverick
1200 Anderson Corner Rd. Parma, ID 83660 Phone: (800) 733-9505 Paul.bender@vegetableseeds.basf.com www.nunhemsusa.com
Maverick
UpperCut
UpperCut is a highly adaptable carrot ideal for organic production as a result of foliar resistances. The variety features vigorous foliage and good resistance to Alternaria dauci and powdery mildew. It is an excellent option for cut-and-peel processing and features long roots with very good flavor and crunchy texture.
A market standard for fresh whole carrots, Maverick offers exceptional adaptability and consistency with slightly tapered, long roots with good fill. The variety is normal maturing with a high percentage of cellos; root quality makes the product useful for other applications. The variety is popular for commercial organic production and produces consistent, excellent flavor, smooth skin and very good interior color.
ReadyCut
ReadyCut is an excellent option for cutand-peel processing. With a uniform, long, slender root shape for cuts of all diameter profiles, this variety features a high percentage of premium pieces under 5/8-inch diameter. Carrots have good flavor, crunchy texture and durable roots for a lower percentage of cracking and breaking.
ReadyCut
RubyPak
RubyPak
RubyPak features red exterior and interior color and grows crispy, excellent-tasting carrots. This excellent spring-planted red carrot hybrid (with less bolting than RubyQueen for spring and summer harvest) features smaller and clearly less vigorous foliage than the other colors and has some bolting in the spring and early summer harvest slots.
TrophyPak
UpperCut TrophyPak
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Carrot Country • Winter 2023-24
TrophyPak is an early-maturing and vigorous cello/jumbo hybrid with exceptional adaptability and consistency. The variety produces a high percentage of cellos while also flexible for use in making jumbos. Carrots feature vigorous and upright foliage, high tolerance to Alternaria dauci and powdery mildew, and tapered roots with excellent tip fill.
Naval 1972 Silver Spur Place Oceano, CA 93445 (805) 473-2199 www.bejoseeds.com info@bejoseeds.com
Naval is a Nantes type that produces very shapely, uniform, hairless roots 7-9 inches long. Crisp and sweet, Naval resists cracking with an added bonus of a long shelf life. The variety has intermediate resistance to Alternaria leaf blight, black rot and Cercospora leaf blight. It is also available as organic seed.
Naval Jefferson
Istanbul
Jefferson
A nice cello/slicer carrot, Jefferson produces smooth and slightly tapered roots that are a dark orange color with no green shoulder, good length and very uniform. With a maturity of 75-80 days, the variety has intermediate resistance to Alternaria leaf blight, black rot and cavity spot.
Narvik
An easy-growing, mid-early Nantes variety with nice flavor and texture, Narvik roots are uniform and cylindrical. Tops are strong, healthy and erect. Overall, Narvik holds well in storage. It is adaptable to standard or high-density spacing and has intermediate resistance to black rot, Cercospora leaf blight and cavity spot. Organic seed is available.
Narvik
Miami Miami
Istanbul
With good flavor, Istanbul is a nice uniform carrot for cellos and slicers. It is an Imperator type with strong tops and 9- to 11-inch roots. Well adapted, the variety performs well on both muck and mineral soils. Istanbul has intermediate resistance to Alternaria leaf blight, black rot and Cercospora leaf blight. The variety is also available as organic seed.
Miami produces consistently uniform cylindrical roots with exceptionally sweet carrot flavor. Bright orange roots grow stouter as they mature. Attractive feathery tops are perfect for fresh market bunches. The variety is well adapted for early- or main-season successions. Miami has intermediate resistance to Alternaria leaf blight, black rot, cavity spot, Cercospora leaf blight and liquorice rot. It is also available as organic seed.
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CARROT VARIETY BUYERS’ GUIDE Ellis (55-247)
Ellis
Set to become commercial soon, Ellis is a Nantes-type hybrid for fresh market and suitable for long storage. This variety needs 120-140 growing days for full blunt length. The variety is strong against breakage and splitting and has strong foliage for mechanical harvest, stress and disease pressure. High carotene and Brix value are maintained through storage.
701A LaGuardia St. Salinas, CA 93905 (831) 455-3000 www.rijkzwaanusa.com contactusa@rijkzwaan.com
Ymer
hestan (55-246)
hestan
Holland, MI 49424 (800) 962-4999 www.stokeseeds.com customerservice.us@stokeseeds.com
Set to become commercial soon, Hestan is a Nantes-type hybrid for fresh market and suitable for long storage. The variety takes 130-150 growing days for full blunt length. Strong against breakage and splitting, this variety is a very uniform and good yielder with strong foliage for mechanical harvest, stress and disease pressure. High carotene and Brix value are maintained through storage.
Ymer (55-414)
Apache
Apache
With a maturity of 65 days, Apache produces very smooth, dark, 10inch orange roots with strong attachment. The variety is great for cello and bunching.
New in 2021, Ymer is a Berlicum/Nantes-type hybrid for fresh market and suitable for long storage. Reaching maturity in 130 growing days, the variety features strong, dark green foliage, and a nice cylindrical shape, growing to 8 inches. High carotene and Brix value are maintained through storage.
Caravel Orange Blaze
Orange Blaze
With a maturity of 70 days, Orange Blaze has smooth, cylindrical, vigorous 9-10-inch roots. It is adaptable to muck, mineral and deep peat soils and is easy to harvest with high yield potential. 12
Carrot Country • Winter 2023-24
SV2384DL
SV2384DL
At 68 days, SV2384DL produces dark orange, thick 12-inch cylindrical roots for mineral or muck soils. Roots have semi-blunt tips with small cores.
Caravel
Caravel is a mid-seasonmaturing, cylindrical 10-11inch carrot with a slight taper, blunt tip, strong attachment and attractive skin coloration.
www.vegetables.bayer.com
SVDC1978
SVDC1978
SVDC1978 has very good root shape and size uniformity in combination with good top attachment and plant vigor. Long roots with excellent tops make SVDC1978 an attractive cut-and-peel carrot in the Seminis portfolio. With tolerance to powdery mildew and the combination of root quality and top vigor, growers will be rewarded with a high yield potential.
SVDC2089
SVDC2089
SVDC2089 is a cut-and-peel variety with excellent plant health and good root uniformity and eating quality, which will provide a high yield to growers. This variety can be grown in all cut-and-peel carrot growing regions in the United States, especially the organic market where top health is very important. SVDC2089 has good tolerance to powdery mildew and a superior root with good length and uniformity. Its excellent texture and flavor, clean top, and root length and uniformity make SVDC2089 a great option for growers.
Bolero
3 Harris Place Salinas CA, 93901 (831) 771-1500 www.vilmorinmikado.us.com
Siroco
With maturity at 120 days from sowing, Siroco produces uniform fruit suited well for slicing and cello Nantes markets. Strong tops hold well late into the harvest season, standing up to disease and weather alike.
Gold Nugget
Bolero
Bolero has been a global industry standard for more than 30 years.
Gold Nugget
This main-season yellow Nantes variety hits maturity 120-130 days from sowing and yields beautiful, smooth roots with excellent flavor.
Speedo
Volcano
Siroco
Speedo
This extremely early Nantes is paired with out-of-this-world uniformity. Strong tops make top lifting easy, an added bonus to the 90-day turnaround Speedo will give you.
Volcano
A workhorse for the processing and storage market in North America, Volcano makes late harvests more reliable with high marketable yields paired with great storage capacity. CarrotCountry.com
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Carrot Country • Winter 2023-24
IN ThE NEWS
OSU Welcomes New Entomologist Back to hAREC
Josephine Antwi has joined Oregon State University (OSU) as the new irrigated crop entomology extension specialist at the Hermiston Agricultural Research and Extension Center (HAREC). She is familiar with the region and its pests after working as a postdoctoral research scholar at HAREC from 2015 to 2017. In her new role, Antwi will lead the development, implementation and evaluation of extension and research programs in arthropod pest management to support sustainable irrigated farming systems. She will work with stakeholders, local industry and county extension agents to develop an applied research program and deliver research-based solutions. Antwi earned a Ph.D. in entomology at Texas A&M University and previously worked as an assistant professor at the University of Mary Washington in Fredericksburg, Virginia.
Syngenta Grows Management Team Syngenta Vegetable Seeds has promoted Juan Pablo López to serve as the company’s territory head of vegetable seeds for the U.S. and Canada. López, who has more than 20 years of experience in the agricultural sector, joined Syngenta in 2007. His most recent position was global product manager of insect control for Syngenta, where he was said to be instrumental in driving the global strategy for the company’s Tymirium technology, maximizing the product life cycle of Syngenta pyrethroids, and developing crossover initiatives with biologicals and seed care.
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