In this issue:
“Three Way” Defoliation Rates and Defoliant Rainfast
USDA Cotton Varieties Planted in 2017
Diplodia Collar Rot in Peanuts
UGA Recommended Wheat Varieties for Fall Planting, 2017-2018
“Three Way” Defoliation Rates and Defoliant Rainfast: I have been receiving a question or two about the rates for the “’three way” and how rainfast cotton defoliants happen to be. Below is information concerning those two subjects.
USDA Cotton Varieties Planted in 2017
The USDA Cotton Varieties Planted report can be obtain in the link below. It contains information related to which cotton varieties were planted around the Cotton Belt.
https://www.ams.usda.gov/mnreports/cnavar.pdf
Diplodia Collar Rot in Peanuts
I have been getting several calls about late season diseases in peanuts. An interesting disease that has been noticed more this year is Diplodia collar rot. This disease is occasionally seen early in the season killing young plants, but is most commonly seen later in the season associated with dead and dying plants. Typical symptoms include dark, gray limbs that are covered with small, black raised fruiting structures. Most often late season diplodia collar rot is associated with plants affected by tomato spotted wilt. Accroding to Bob Kemerait, UGA Plant Pathologist, fungicides have not been an effective control measure, likely due to the underlying association with TSWV. It seems the more Diplodia collar rot has been noticed this year in the area however the reason for this is unclear. Below are examples of Diplodia collar rot in Colquitt County peanuts.
UGA Recommended Wheat Varieties for Fall Planting, 2017-2018
Wheat variety selection is important for achieving high yields. When selecting wheat varieties consider disease and Hessian Fly resistance, venalization requirements, maturity and yield potential. Below are UGA recommendations on wheat varieties for the 2017-2018 wheat production year.
https://gallery.mailchimp.com/c5314b7406ec484e5681477af/files/21f93492-bf90-4f44-9ec2-c0283689fa3c/2017_wheat_variety_selection_3_.pdf