Virginia Cotton: Kill Roundup Resistant Weeds on 1st Trip

Rogator spraying herbicide in cotton. ©Debra L Ferguson Stock Photography

The first week of June provides a better forecast than we have had for the last couple of weeks. It has been surprising that we have gotten the work done in May that we accomplished regardless of these challenging weather patterns.

The next couple of days will finish the planting of cotton and then all focus will turn to spraying weeds and thrips. The seed treatments give us a good two weeks and on into a third week.

The cotton that was being planted the week of May 10 will be finishing its third week in the ground this week and those small plants are susceptible to thrips. An application of Orthene will be due on that cotton.

One issue to stay mindful of for this first spray trip along with the Orthene is whether or not you have any emerged roundup resistant weeds in the field. Ragweed is our most prominent weed challenge, although palmer pigweed is the toughest one to manage.

It is important that this first trip has a herbicide that will kill these resistant weeds when they are present. All of our herbicides work better on small weeds. Folks that use Liberty will find that it is better to use it on the first trip.




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