Weed Resistance
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According to Dr. Eric Prostko, UGA Corn Weed Specialist, weeds that emerge just prior to or at corn emergence can cause greater yield losses than later emerging weeds. Growers who implement weed control programs from 20 to 45 days after planting (DAP) usually prevents yield losses due to weed competition. Weeds that emerge 45 DAP…
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What about controlling the wild radish in cotton burndown? The most effective and economical option for controlling radish and also cutleaf evening primerose is an application of 2,4-D alone of mixed with any Roundup mixture (such as Roundup + Valor) at least 30 days before planting. What if you do not want to put 2,4-D…
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The Colquitt County Row Crop Weed Management Meeting was last week and Dr. Stanley Culpepper informed area cotton growers about new developments in weed control. Below is a pdf of the of the handout for weed control programs. The handout discusses four steps in developing a weed control program in cotton. These steps include starting…
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Cotton weed control can be a challenge during the production year. Below is information on UGA cotton weed control programs for Roundup Ready, Liberty, dicamba and 2,4d technology. Residual herbicides are the foundation for these herbicide programs regardless of technology. This publication include suggestions for residual herbicides for burndown, pre emerge, post emerge and lay…
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This time of year I often get questions like this from home owners. Ninety nine percent of the time it is rattlesnake weed or Florida Betony. Florida betony is a “winter” perennial and, like most plants in the mint (Labiatae) family, has a square stem with opposite leaves. Flowers are usually pink and have the…
Posted in: Weed Resistance -
I have had a few questions about using Liberty in cotton weed control programs. Growers need to preserve this technology because it will play a key role in weed control programs in the foreseeable future. It is important to use residual herbicides in Liberty based programs and growers should try to only make two applications…
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It is going to happen to cotton growers sooner or later. Growers are going to have Palmer amaranth escapes and how we deal with them is important and can impact the bottom line. Starting off clean during planting time is critical when trying to manage glyphosate resistant Palmer amaranth. Situations are going to come up and below…