Items Tagged with 'Fred Whitford'


Mixing Up a Sprayer Solution for an Effective Herbicide Kill

Accurate measurements, water pH and hardness, and the use of adjuvants are all key to ensuring every spray droplet makes it into the weed or cover crop.

Herbicides are one of the most critical tools used on no-till operations. But you may not be utilizing these chemicals as effectively as you could, which can result in increased herbicide resistance or another pass across the field to clean up any yield-robbing weeds or cover crops.

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NNTC16 Audio Presentations

Adjuvants and the Power of the Spray Droplet in Pest Control - Fred Whitford - NNTC 2016 Presentation - MP3 Download


When it comes to spraying pesticides, think of the pest as the bull’s-eye on a target. The application will get the highest scores when the right rate of the pesticide is delivered directly to the center of the bull’s-eye. But if the relationships between water, the leaf surface and pesticide are off or if the applicator has poor equipment, the application won’t likely be on target. Fred Whitford shares how using adjuvants can help redirect those spray droplets back to the “bulls-eye,” even if the application was marginally acceptable. The clinical engagement professor for the Purdue Pesticide Programs explains how adjuvants can improve the biological performance of the pesticide.


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