PODCAST · education
Pesticide Application Technology Laboratory
by PAT Lab, Greg Kruger
The Pesticide Application Technology Laboratory is located at the West Central Research and Extension Center in North Platte and builds on over four decades of pesticide application research. The mission of the lab is to better understand how to control weeds, diseases and insects in agricultural production systems most effectively. The research of the lab is geared toward improving application practices which will maximize pesticide efficacy through the use of nozzle selection, spray solution, pressure and sprayer modifications. Concurrently, the lab is also focused on finding application practices which will minimize pesticide drift and environmental contamination.
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25
Tensiometer
The tensiometer allows us to calculate surface tension, evaporation rate, contact angle on a surface (including the leaf surface of different plant species), and a course calculation of absorption rate if necessary. This equipment gives us the ability to understand the fate of a droplet under different environmental conditions (temperature and humidity).
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24
Flat-bed Scanner and DropletScan
his software is used for scanning water sensitive paper, Kromekote cards or other cards which have visible droplets deposited on them. The program then reports coverage, total number of droplets deposited, and deposition volume (in gallon per acre) giving rapid feedback on application performance.
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PAT Lab Greenhouse
The pesticide application technology lab has three greenhouses covering 8,400 square feet. The greenhouses grow crops and weeds that can be sprayed in one of the spray chambers or the low speed wind tunnel to evaluate biological impact from pesticide drift or efficacy of different applications. LED lights in the greenhouse combine red and blue wavelengths that optimizes photosynthesis allowing plants to quicker.
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Patternator
The patternator evaluates the consistency of spray distribution across the boom. Spray boom height and pressure can be adjusted to investigate nozzle type and tank solution impact on spray patterns. Sonic measuring devices measure spray volume in each collection tube and calculate a statistical coefficient of variation (CV) to determine uniformity.
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Three-Nozzle Research Spray Chamber
The three-nozzle research spray chamber is used to make pesticide applications using nozzle designs, spacing, boom heights, pressures, speed and tank solutions similar to those used in the field. The spray chamber allows for rapid comparisons of coverage and efficacy across numerous application parameters.
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Single-Nozzle Track Spray Chamber
The Single-Nozzle Track Spray Chamber is used primarily to investigate herbicide efficacy on different weed species. A common application for the single nozzle track spray chamber is herbicide resistance screening with dose response studies. The equipment also features a rain fall simulation function allowing the group to investigate rainfastness and soil activation of pesticides.
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Low Speed Wind Tunnel
The low-speed wind tunnel is designed to better understand droplet size and drift potential. The wind tunnel can operate in wind speeds up to 15 mph while capturing droplet size using a laser diffraction instrument. This piece is the iconic mark of the lab and has helped educate applicators on making safer applications with less pesticide drift.
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How to better utilize pulse-width modulation sprayers
University of Nebraska–Lincoln agronomy students took top honors at the 2016 North Central Weed Science Society Meeting held Dec. 12-15 in Des Moines, Iowa. Thomas Butts received first place in the student video competition with his video “How to better utilize pulse-width modulation sprayers.” Butts' research focus is in weed science and pesticide application technologies. Under the instruction of Greg Kruger at the Pesticide Application Technology Laboratory in North Platte, Nebraska, Butts is currently researching the influence of pulse-width modulation spray application systems on droplet spectrum, spray application parameters, and herbicide efficacy. The precise applications of new herbicide technologies will allow farmers to more effectively utilize drift reduction technologies, increase crop yield potential, and control herbicide-resistant weeds.
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Pulse-width modulation duty cycle and benefits
UNL, Ph.D. Agronomy, Weed Science student, Thomas Butts explains duty cycle and its application benefits.
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16
Lechler Standard flat spray 11004 at 40PSI
Nozzle spray pattern of SC11004 at 40 PSI with water.
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15
Lechler Liquid Fertilizer FD-04 at 40 PSI
Nozzle spray pattern of FD-04 600.500 at 40 PSI with water.
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14
Greenleaf TurboDrop XLD 11004 at 40 PSI
Nozzle spray pattern of TDXL-D11004 at 40 PSI with water.
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Greenleaf TurboDrop XL 110025 at 40 PSI
Nozzle spray pattern of TDXL110025 at 40 PSI with water.
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Greenleaf TurboDrop XL 11005 at 40 PSI
Nozzle spray pattern of TDXL11005 at 40 PSI with water.
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Greenleaf TurboDrop XL 11003 at 40 PSI
Nozzle spray pattern of TDXL11003 at 40 PSI with water.
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TeeJet XRC 110025 at 40 PSI
Nozzle spray pattern of XRC110025 at 40 PSI with water.
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TeeJet XRC 11005 at 40 PSI
Nozzle spray pattern of XRC11005 at 40 PSI with water.
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TeeJet XRC 11004 at 40 PSI
Nozzle spray pattern of XRC11004 at 40 PSI with water.
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TeeJet XRC 11003 at 40 PSI
Nozzle spray pattern of XRC11003 at 40 PSI with water.
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TeeJet XR11003-VS at 40 PSI
Nozzle spray pattern of XR11003-VS at 40 PSI with water.
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TeeJet XR11003-VP at 40 PSI
Nozzle spray pattern of XR11003-VP at 40 PSI with water.
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TeeJet XR11003-VK at 40 PSI
Nozzle spray pattern of XR11003-VK at 40 PSI with water.
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TeeJet XP BoomJet 20L at 40 PSI
Nozzle spray pattern of XP BoomJet 20L at 40 PSI with water.
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Hypro Ultra Lo-Drift 120-025 at 40 PSI
Nozzle spray pattern of ULD120-025 at 40 PSI with water.
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Hypro Ultra Lo-Drift 120-05 at 40 PSI
Nozzle spray pattern of ULD120-05 at 40 PSI with water.
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ABOUT THIS SHOW
The Pesticide Application Technology Laboratory is located at the West Central Research and Extension Center in North Platte and builds on over four decades of pesticide application research. The mission of the lab is to better understand how to control weeds, diseases and insects in agricultural production systems most effectively. The research of the lab is geared toward improving application practices which will maximize pesticide efficacy through the use of nozzle selection, spray solution, pressure and sprayer modifications. Concurrently, the lab is also focused on finding application practices which will minimize pesticide drift and environmental contamination.
HOSTED BY
PAT Lab, Greg Kruger
CATEGORIES
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How many episodes does Pesticide Application Technology Laboratory have?
Pesticide Application Technology Laboratory currently has 25 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Pesticide Application Technology Laboratory about?
The Pesticide Application Technology Laboratory is located at the West Central Research and Extension Center in North Platte and builds on over four decades of pesticide application research. The mission of the lab is to better understand how to control weeds, diseases and insects in agricultural...
How often does Pesticide Application Technology Laboratory release new episodes?
Pesticide Application Technology Laboratory has 25 episodes. Check the episode list to see recent publication dates and frequency.
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Who hosts Pesticide Application Technology Laboratory?
Pesticide Application Technology Laboratory is created and hosted by PAT Lab, Greg Kruger.
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