Pesticide Application

2020 FAQ for RUP Dicamba Herbicides (FeXapan™, Engenia®, XtendiMax® and Tavium®)

December 17, 2019
This Frequently Asked Questions (FAQ) addresses grower questions on dicamba training, record keeping, and application for the 2020 crop season. Additional training is required for all applicators of restricted use dicamba products.

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Spray Quality: How It Affects Pesticide Efficacy and Drift

December 13, 2019

Spray quality refers to the Internationally Standardized Droplet Size Classification (ASABE S572.1). In this standard, the droplet size spectrum produced by a nozzle is classified as extremely fine, very fine, fine, medium, coarse, very coarse, extremely coarse, and ultra coarse, which describes the spray coverage and spray drift associated with the droplet size.

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8 Points to Success With Postemergence Herbicide Applications

June 19, 2019
Many crop fields did not get the early-season residual herbicides they usually would, placing a heavier reliance on post-emergence programs this year. Following these eight guidelines can help assure safe, effective POST applications that minimize the potential for off-site contamination.

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Open notebook displaying record page for pesticide applications

Easy-to-Use Pesticide Recordkeeping Resources

April 10, 2019
Keeping detailed pesticide application records can aid in decision-making throughout the season and from year-to-year, as well as meet government requirements. Forms are available online.

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Chart showing rate of soybean node accrual

Are Your Soybean Plants Exhibiting Dicamba-Induced Leaf Injury?

July 19, 2018
Learn how to examine plant development and use this forensic strategy to determine the approximate calendar date when the plants in your field were likely exposed to dicamba.

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Soybean leaf cupping

Understanding Growth Regulator Herbicide Injury

July 19, 2018
There are now five structurally different growth regulator herbicides, each of which affects plant growth differently. Understanding the differences can help you better identify the cause when you find damage in your field.

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Screen capture from AEZ video

Know Your AEZ and Stop Spraying When Someone is In It

April 25, 2018
EPA's new Application Exclusion Zone requirement was designed to protect people from pesticides being applied either on the ground or aerially, either alone or with another product such as fertilizer. This story and video show how to meet the requirement.

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Pulse width modulation sprayer
Figure 1. The Capstan PinPoint® pulse-width modulation (PWM) sprayer used for this research is shown at the Palmer amaranth field site located near Beaver City. (Photos by Thomas Butts)

Precise Spray Droplet Sizes for Optimizing Herbicide Applications

April 10, 2018
Achieving the most effective and consistent spray droplet size helps provide for precision application of pesticides, which saves input costs and reduces off-target movement. University researchers using a pulse-width modulation sprayer studied the best droplet size for effective weed control with six herbicides used in Nebraska crop production.

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