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What herbicides do I apply preemerge for Palmer amaranth control in cotton?

I have received this question a few times this week. Dr. Culpepper, UGA Cotton Weed Specialist, preaches that preemergence herbicides are the most effective tool to prevent resistance to post herbicides. Research conducted across GA during 2018/2019 showed that an effective preemergence herbicide mix reduced the number of pigweed needing…
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Morningglory Control in Field Corn

Morningglory control in corn has been topic of discussion this week. In Georgia, morningglories are particularly difficult to manage because residual herbicides do not provide full-season control and corn maturation in late June/July allows ample sunlight to reach the soil surface which stimulates late-season emergence/growth. In heavy infestations, complete control…
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Weed Control in Corn…

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….
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2018 UGA Cotton Weed Control Programs

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…
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Rattlesnake Weed

 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…
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Tips on using Liberty!!

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…
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