This needs the correct title slide with a top banner. Please indicate the three photos to put on the left side of the bottom banner.
Click to edit Master title style
Introduction to – Second level Pesticide Spray Nozzle • Third level Selection
• Click to edit Master text styles
– Fourth level » Fifth level
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How many different types/sizes of nozzles do Click to edit Master title style you use to apply pesticides in a given season? • Click to edit Master text styles A. B. C. D. E.
– Second level 1 • Third level 2 – Fourth level » Fifth level 3-4 5-6 7 or more
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How many times did you replace nozzles with Click to edit Master title style new ones this past season? • Click to edit Master text styles A. B. C. D. E.
– Second level 0 • Third level 1 – Fourth level » Fifth level 2 3 4 or more
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Do you use any drift reduction nozzles Click to edit Master title style when you apply pesticides? • Click to edit Master text styles – Second level A. Yes • Third level B. No – Fourth level » Fifth level C. Don’t know
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Do you have any type of setbacks or Click to edit Master title style other buffers established to prevent pesticide spray drift?
• Click to edit Master text styles – Second level A. Yes • Third level B. No – Fourth level » Fifth level C. Don’t know
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Do you use any type of rate controllers Click to edit Master title style with your pesticide sprayer? • Click to edit Master text styles – Second level A. Yes • Third level B. No – Fourth level » Fifth level C. Don’t know
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This needs the correct title slide with a top banner. Please indicate the three photos to put on the left side of the bottom banner.
Click to edit Master title style
Introduction to – Second level Pesticide Spray Nozzle • Third level Selection
• Click to edit Master text styles
– Fourth level » Fifth level
Penn State Pesticide Education Program extension.psu.edu/pesticide-education
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7 Pesticide Education Program
Click to edit Master title style Nozzle Functions • • • •
Control the flow rate Click to edit Master text styles Form droplets – Second level Disperse into • Third droplets level level specific– Fourth patterns » Fifth level
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Click to edit Master title style Nozzle Functions • Control the flow rate • Click to edit Master text styles – Control the volume – Second level and dose applied • Third level – Measured gallons – Fourthin level per acre» Fifth level
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Click to edit Master title style Nozzle Functions • • •
Control the flow rate Click to edit Master text styles Form droplets – Second level – The number • Third level of droplets and droplet size can – Fourth level affect: » Fifth level • Performance of product • Risks of drift and runoff Penn State Pesticide Education Program
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style Nozzle Functions • • • •
Control the flow rate Click to edit Master text styles Form droplets – Second level Disperse into • Third droplets level level specific– Fourth patterns » Fifth level
– Avoids product waste through less variability
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ClickPerformance to edit Master style Best of title Pesticides • Only achieved if: • Click to edit Master text styles – Choice of nozzle – Second level – Condition of nozzle • Third level
• Must be inlevel perfect – Fourth working order, » Fifth levelor higher costs may be incurred
– Correct use • Suitable for the intended spray application
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Another way to word previous slide.
ClickPerformance to edit Master style Best of title Pesticides • Only achieved if: • Click to edit Master text styles – The correct nozzle – Second level type is chosen for • Third level the intended spray – Fourth level application » Fifth level – The nozzle is in perfect working order
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Click to edit style Select theMaster Proper title Nozzle • No one nozzle will be • Click to edit Master text styles the best for all – Second level spraying conditions. • Third level
– Fourth level » Fifth level
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Click to edit style Select theMaster Proper title Nozzle • • • • • •
Read the label Click to edit Master text styles Application rate and water per acre required – Second level Droplet • Thirdsize level Fourth level Nozzle–type » Fifth level Nozzle spacing
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Click to edit style Select theMaster Proper title Nozzle • Application rate and water per acre required • Click to edit Master text styles
̶ Label will recommend the minimum amount – Second level of water per acre to achieve the best results • Third level with the pesticide – Fourth level ̶ Sometimes » Fifthlisted level as a range if too much per acre is not good ̶ Ex: apply in 20 to 100 gallons water per acre
̶ Label may list desired droplet size for best control
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Click to edit style Select theMaster Proper title Nozzle • Application rate and water per acre required • Click to edit Master text styles
̶ 4X increase in pressure results in 2X increase in – Second level spray output • Third level ̶ To reduce per acre (GPA) by half, double the – Fourthgallons level speed of» Fifth application level
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Click to edit style Select theMaster Proper title Nozzle • Determine equipment limitations • Click to edit Master text styles
̶ Ex: recommended pressure or flow rate for – Second level a nozzle may exceed capacity of equipment • Third level
• Consult nozzle – Fourth levelmanufacturer to determine specifics » Fifth level
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Click to Nozzle edit Master title style Colors • Nozzles of same color have • Click to edit Master text styles the same flow Color US-GAL at 40 PSI – Second level Orange 0.10 rate at the • Third level Green 0.15 same pressure, – Fourth level Yellow 0.20 regardless» Fifth of level Blue 0.30 nozzle design. Red 0.40
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Litre at 3 bar 0.39 0.59 0.79 1.18 1.58
Brown
0.50
1.97
Grey
0.60
2.37
White
0.80
3.16
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Masterand titleSize style Droplet Number • Halving the droplet size results in eight times • Click to edit Master text styles the number of droplets – Second level 500µm
• Third level
250µm
125µm
– Fourth level » Fifth level
Graphic adapted from Dwight Lingenfelter.
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Click to edit Masterand titleSize style Droplet Number • Each scenario represents the same volume • Click to edit Master text styles –
1 x 500µm Second level Tennis ball
8 x 250µm Ping pong balls
64 x 125µm Marbles
• Third level – Fourth level » Fifth level
Graphic adapted from Dwight Lingenfelter.
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Click to edit Master title style Droplet Size Issues • Fine droplets (<150 µm) • Click to edit Master text styles
– Better coverage and penetration throughout canopy – Second level – More prone to drift and evaporation • Third level
– Fourth level » Fifth level
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Click to edit Master title style Droplet Size Issues • Large droplets (>350 µm) • Click to edit Master text styles
– Less chance of drift – Second level – Fewer droplets; may miss targets? • Third level – More– Fourth pronelevel to bounce on leaf surface » Fifth level will bounce • 300 µm droplets • 600 µm droplets will bounce 8 times more on smooth/waxy leaves • Adjuvants help to reduce bounce
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Click to edit Master title style Droplet Size Issues • Nozzle choice depends on application • Click to edit Master text styles
– Turf [anthracnose (ground) vs. dollar spot (leaves)] – Second level – Contact vs. systemic mode of action • Third level – Fourth level » Fifth level
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Click to edit Master title style Droplet Size Issues • Nozzle choice depends on application • Click to edit Master text styles
– Turf [anthracnose (ground) vs. dollar spot (leaves)] – Second level – Contact vs. systemic mode of action • Third level – Fourth level » Fifth level
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Click to edit Master title style Droplet Size Issues • Nozzle choice depends on application • Click to edit Master text styles
– Turf [anthracnose (ground) vs. dollar spot (leaves)] – Second level – Contact vs. systemic mode of action • Third level – Fourth level » Fifth level
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Click to edit Master title style Nozzle Selection and Spray Quality (drop size): Retention
Spray Quality
Typical Uses • (Drop Click to edit Master text styles Ex. on waxy leaf size) surfaces
– Second level
Rarely advised VERY FINE • Third level Some mist blowers only – Fourth level FINE Good cover » Fifth level
Good
High
Good
MEDIUM
Standard
Good
COARSE
Soil herbicides
Moderate
VERY COARSE
Liquid fertilizers
Poor
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Drift Risk
Low
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Click to edit style Select theMaster Proper title Nozzle • Nozzle type • Click to edit Master text styles
̶ Nozzle choice depends on application – Second level ̶ Turf [anthracnose (ground) vs. dollar spot (leaves)] • Third level ̶ Contact vs. systemic herbicides – Fourth level
» Fifth level • Type of application
̶ Broadcast spraying ̶ Banding ̶ Directed spraying ̶ Mechanical air assisted 11/19/2014
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Herbicides Click to edit Master title style Extended Range Flat Fan
Drift Guard Flat Fan
Standard Flat Fan
Twin Flat Fan
Turbo Flood Wide Angle
•SoilClick to edit Master Verytext styles Very Good
Incorporated
– Second level
Pre-emerge Post-emerge Contact Post-emerge Systemic
•
Very Third Good
level
Good
@–low Fourth pressure
level » Fifth level
Good
Good
Very Good
Good
@ low pressure
Full Cone
Flood Nozzle Wide Angle
Raindrop Hollow Cone
Good
Good
Good
Good
Very Good
Very Good
Very Good
Very Good
Good
Very Good Very Good
Very Good
Charts adapted from Virginia Cooperative Extension, Publication 442-032, Nozzles: Selection and Sizing.
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Fungicides Click to edit Master title style Extended Range Flat Fan
Drift Guard Flat Fan
Standard Flat Fan
Twin Flat Fan
Turbo Flood Wide Angle
• Click to Veryedit Master text styles Contact Good
Full Cone
Flood Nozzle Wide Angle
Raindrop Hollow Cone
Good
– Second level
Systemic
•
Very Third Good
level
@–low Fourth pressure
level » Fifth level
Very Good
Very Good
Charts adapted from Virginia Cooperative Extension, Publication 442-032, Nozzles: Selection and Sizing.
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Insecticides Click to edit Master title style Extended Range Flat Fan
Drift Guard Flat Fan
Standard Flat Fan
Twin Flat Fan
Turbo Flood Wide Angle
• Click to edit Master text styles Very Contact Good Good Systemic
•
level
@–low Fourth pressure
Raindrop Hollow Cone
Good
– Second level Very Third Good
Full Cone
Flood Nozzle Wide Angle
level » Fifth level
Very Good
Very Good
Charts adapted from Virginia Cooperative Extension, Publication 442-032, Nozzles: Selection and Sizing.
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Droplet Size Categories Click to edit Master title style
Color Approximate Category Symbol Code VMD Range*
• Click to VF edit Master text <styles Red 145
Very Fine Fine
– SecondF level Orange
Medium Coarse
• Third level
Yellow M – Fourth level Blue C» Fifth level
Spray Utility Insecticides and fungicides
145 – 225
Insecticides and fungicides
226 – 325
Herbicides (post contact and systemic)
326 – 400
Herbicides (post systemic)
Very Coarse
VC
Green
401 – 500
Herbicides (soil applied)
Extremely Coarse
XC
White
> 500
Herbicides & liquid fertilizers
* VMD = Volume Median Diameter where 50% of the total volume of the liquid sprayed is made up of droplets larger than this value and 50% is made up of droplets smaller than this value.
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Click to edit Master title style Not All Nozzles Are Created Equal • What makes them different? • Click to edit Master text styles
– Output – orifice size (GPM) – Second level – Pattern angle – 40°, 65°, 80°, 95°, 110° • Third level – Design – Fourth level
• 1° - flat» fan, Fifthhollow level cone, full cone, twin, flood • 2° - drift reduction, extended range (psi), standard vs. even pattern
– Material composed of: • Brass, poly plastic, stainless steel, or ceramic
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Click to edit Master title style Conventional Flat Fan Nozzles • • •
Standard for boom pesticide applications Click to edit Master text styles Wide range of flow rates and fan angles – Second level
– Ex: A nozzle • Third level with an 80 degree discharge angle produces a level larger spray droplet than a 110 degree – Fourth » Fifth level angle nozzle at the same flow rate and pressure
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Click to edit Master title style Conventional Flat Fan Nozzles ®
• Ex. XR TeeJet flat spray tip • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Lower Pressures Click to editCoarser Master title style Produce Droplets • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit MasterNozzles title style Drift Reduction • Three types: • Click to edit Master text styles
– Pre-orifice Nozzles – Second level – Turbulence Chamber, Flood Type • Third level – Air Induction – Fourth level » Fifth level
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Click to edit Master title style Drift Reduction: Pre-orifice Nozzles • • •
Reduces the internal operating pressure Click to edit Master text styles Produces a larger droplet at the same pressure – Second level as a• flat Thirdfan levelnozzle – Fourth leveland 110 degree discharge angle • Available in 80 » Fifth level • Normal pressure range 30 to 60 psi – Don’t go below 30 psi, optimum is 40 psi
• Can reduce drift by 50% compared to flat fan • More difficult to clean 11/19/2014
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Click to edit Master title style Pre-orifice Nozzles • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Drift Reduction: Turbulence Chamber, Click Flood to editType Master title style Nozzles • 120 degree angle • Click to edit Master text styles • Can be mounted 15 to 18 inches above – Second level surface (20-inch spacing) provides 50% • Third level overlap – Fourth level • Low to moderate » Fifth level pressures • Can operate between 15 to 90 psi • Excellent choice for use with automatic rate controllers
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Click Flood to editType Master title style Nozzles • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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to edit Air Master title style DriftClick Reduction: Induction Nozzles • 2 orifices • Click to edit Master text styles ̶ Meter liquid flow – Second level ̶ Form the pattern • Third level
– Fourth • Between thelevel orifices is a venturi or jet to » Fifth level draw air into the nozzle body • Produces a coarse, air filled droplet • Very few drift susceptible droplets
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ClickAir to Induction edit Master title style Nozzles • Venturi effect to produce air-induced, larger • Click to edit Master text styles droplets – Second level • Third level – Fourth level » Fifth level
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Click to edit Master title style • Click to edit Master text styles – Second level • Third level – Fourth level » Fifth level
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ClickAir to Induction edit Master title style Nozzles • • • •
Careful selection for your needs Click to edit Master text styles Optimum psi for most 60-80 psi – Second level Double check • Third level – Fourthpressure level ̶ Operating ranges » Fifth level ̶ Ease of cleaning ̶ Ability to fit into existing nozzle caps
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Click to edit Master title style Use of this presentation or parts of this presentation is encouraged as long as this credit slide is included.
• Click editSr.Master stylesat wmr11@psu.edu Author: Billto Riden, Extensiontext Associate, – Second level Resources • Third level Slides 20-23, 25?, 34?, 37-41, 44-45, 47-49, 51-52: – Fourth level by Tom Reed, TeeJet Mid-Tech Northeast Inc. Adapted from materials » Fifth level
Slides 31-33: Adapted from Virginia Cooperative Extension Publication 442-032, Nozzles: Selection and Sizing Photo/Graphic Credits Slides 8-14, 26-28: Penn State Pesticide Education Program
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54 Pesticide Education Program
Click to edit Master title style This presentation was created in partnership with the Pesticide Education Program, Penn State Cooperative Extension; and the Pennsylvania Department of Agriculture.
• Click to edit Master text styles – Second level • Third level
For more information on this and other resources, please visit:
– Fourth level extension.psu.edu/pesticide-education » Fifth level
Where trade names appear, no discrimination is intended, and no endorsement by Penn State Cooperative Extension is implied. Penn State is committed to affirmative action, equal opportunity, and the diversity of its workforce. © The Pennsylvania State University 2014
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