The respray decision is like a three-legged stool 8-10-22
The majority if not all the cotton has been sprayed in the last two weeks for insects. Spraying in Mid-to-Late August gets on our minds with a good crop or a good market. The bottom line is that the ultimate decision to treat or to respray is based on 3 risk factors, or possibly safe factors that we need to consider.
Mature Cotton moving back into a Lull 8-15-22 The middle of August is representing the point where more than half the cotton is blooming out. Back in the day before global warming, we used to say August 15 was the last effective bloom date. In those days, we also said that you needed to dig all your peanuts and defoliate all your cotton on October first. That is not the way we do it now. Generally, we don’t have any risk waiting until the middle of October to defoliate which also means that a bloom the second half of August can make a mature boll by the second half of October. Only this year, the fields that will be blooming late will be the cotton that was planted late. Based on heat units, cotton maturity is a week ahead of last year and right about average for the last decade. I am seeing all the early planted cotton and most of the middle planting window begin to bloom out and cotton is safe. Many of these earliest fields have a chance of being ready for defoliation in September depending on heat over the next 45 days. As for now, the cotton planted the second half of May that has not been sprayed for two weeks probably needs looking at.
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