Category Archives: Corn

Palmer Amaranth Management: Frequent Rain Making it very Difficult

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This weather pattern has Palmer amaranth management in a terrible fix for many fields in West Tennessee.  The rain that has occurred on an almost daily basis for over a week in many areas has delayed early POST herbicide applications.  The forecast for rain into June looks to be a similar pattern. There will likely be a very small window to spray until the first week of June for numerous fields.  Palmer amaranth is growing quickly and now is often in the 1 to 3” range where a PRE was used and 10 to 14” range in fields where no PRE was used.  Continue reading

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Managing Large Palmer Amaranth in Large Corn

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Judging by our research here as well as field visits and  phone calls from folks walking corn fields it is very apparent that pretty much any PRE applied herbicide in corn has given out. Even some of the PRE applied herbicides that traditionally have provided consistently long weed control like Acuron or Bicep have given out about 25 days after application.  In a few fields I visited today clearly no PRE was applied to the corn and Palmer amaranth jungles were very evident in the fields. After visiting these fields I will take a PRE that has given out any day. Continue reading

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Destroying a Poor Corn Stand to be Planted Back to Soybean or Cotton

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Clearly the most frequent call the last few days of April and the first half of May has concerned corn replant.  All through early May the calls have been on how to destroy a partial stand of corn and replant back to corn.  In just the last few days the question has been on how to remove a poor stand of corn and then plant back to soybeans or cotton. Continue reading

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Scout Corn for Cutworms

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Black cutworm and cut plant

Much of our corn took a long while to emerge, and there has been opportunity for cutworms to infest fields since planting. Hence, make sure to scout for cutworm injury while checking stands. UT recommends treating for cutworms in corn when 5% or more of plants are injured or when you find 2 or more larvae per 100 plants. Synthetic pyrethroids are generally used to control infestations. Recommended insecticides and rates are listed here.

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Applicators Must Have a Copy of 24c Label for Engenia or XtendiMax

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It is my understanding that applicators when they apply Engenia or XtendiMax must have on hand a copy of the 24c label for those herbicides.  A hard copy is preferred. Baring that a downloaded copy on to your Ipad, tablet or phone would be better than nothing.  Trying to down load a copy on to your phone as the TDA inspector pulls into your field is not recommended. The links so you can down load, print a copy and read before you go spray is:

Engenia  http://www.cdms.net/ldat/ldDG8026.pdf

XtendiMaxTN xtendimax 24c label Continue reading

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