Improvement in Forecast give GREEN LIGHT for Defoliation. 9-30-16 The current forecast gives us the window we have been looking for. We have sort of dodged a bullet this week by not getting massive amounts of rainfall again. Although the humidity and periods of some rainfall has taken another toll on the cotton, we continue to hold some promise. After Friday evening with about a 50% chance of rain, it looks like we will have period from Saturday through Wednesday presenting very good defoliating conditions. I hope we can get half the cotton in the state sprayed during this period although with everything else going on, that could be difficult. The temperatures are supposed to be within a few degrees either side of 80 which will favor Dropp usage. When it is warm with little chance of rain, high rates of Dropp are so effective that it almost does not matter what else you use. This helps get this ever increasing greenness off the plants, and to keep from regrowing. It is also important to note that with these high Dropp rates and warm temperature, use high rates of Prep products or Finish products while keeping the Folex or Herbicide products quite low. I think that with a Finish based program, you should not even need anything else but Dropp. 15 gallons can work in thigh high cotton, but volume of water needs to be 20 gallons if your cotton got taller. Surfactants can improve coverage if using lower volume or in ranker cotton. DO NOT USE OIL based adjuvants in this warm humid environment. It will increase leaf sticking.
IT probably goes without saying that we need to watch this forecast closely for changes as this defoliation approach that I am advocating is sensative to the environment although with these conditions, it is going to provide the best option
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