Expected Conditions for Defoliation at Franklin Virginia 10-1-2014 - The best defoliation of the week will be Tuesday through Thursday. No rainfall is expected for the next 2 days. Warm temperatures until the weekend will be followed by a cool spell. Next Tuesday warmer conditions are expected to usher in the next good defoliation window. Finish spraying anything you are going to spray this week by Thursday then wait until next week.
light rain evening
morning light rain
sunny and cool
@CT - COTTON #2 - ICEFU
@S - SOYBEANS - CBOT
@W - WHEAT - CBOT
@C - CORN - CBOT
My Custom Markets
Recipe Evaluation 10-1-2014 Warm weather has allowed very good results from all recipes. Finish with a little bit of Def or Folex has been a benchmark with extremely good results at high Finish rates. In addition High rates of Prep or Ethephon and high rates of Dropp have allowed us to cut the Def or Folex in half compared to the traditional three way that used as much as a pint of Folex/Def. With temperatures over 80 degrees Dropp is very good at removing mature leaves in addition to preventing regrowth so does a good job at allowing lower Def/Folex rates. The problem with the old three way is that in warm conditions, that much Def/Folex will stick leaves. When we get back to milder temperatures or cold nights, we are going to have to move to higher Folex/Def rates and less Dropp. Herbicides like Aim, Resource, ET, and Display have also done a satisfactory job with reduced rates and high Dropp rates in these warm temperatures. Like Def, these herbicides have a higher potential for sticking leaves and maybe a little bit more when mixing oil with the spray which is what the labels suggest on some of the products. Oil will cause more leaf stick in hot conditions but improves leaf removal in cooler or milder conditions.
October Changes Mindset 9-30-2014 The way we make decisions about cotton defoliation seems to change once October arrives, at least for me. Of course when cotton reaches 4 nodes above cracked bolls or either the top bolls have a nice tan to brown seed coat around the seed when you cut into it, then you know it is mature and ready for defoliation. When fields are uniform, it is a pretty easy decision to make based on this simple guideline. However most of our fields have some variability. During September, if the green spots in these variable fields have 6 nodes above cracked boll, then I tend to want to wait a week to defoliate them to allow them to mature. However, once October arrives, I would rather go ahead and take advantage of a pretty stretch of weather to defoliate a borderline field like this. Most of our fields that were planted from May 5 through 9th have reached this stage unless they are in old pasture land or in a rank situation from too much nitrogen. Cotton with 8 nodes above cracked boll should still be allowed to gain more maturity into next week which promises more pretty defoliating weather.
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