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Goss’ Bacterial Wilt On The RiseAugust 25, 2009
Posted by:
Jeff Anderson, Regional Sales Agronomist
As I have been driving up and down the roads of Nebraska and Iowa I have started to notice the increasing prevalence of Goss’ Wilt. Goss' Wilt is a bacterium we do not know a lot about in this area unless you are from south central Nebraska. The primary symptoms are streaks of water soaked tissue that develops parallel to the veins. They can be yellow to a grayish green with wavy margins and then start the freckling effect that will be dark green to black. The plant will also experience stalk rot at the base and may even show symptoms of drought.
A grower's best bet to control the problem is to plant resistant hybrids and/or include non-host crops such as Soybeans and alfalfa in your rotation. Remember fungicides have no control over this disease, so if you are experiencing this problem there is nothing to do that will help control the problem. You will want to harvest early to avoid down corn.
