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Agronomy Talk

KENTUCKY AND TENNESSEE - AUSTIN SCOTT, CCA

Southern Rust and Stink Bugs

Published on Wednesday, August 31, 2016

August is the time we should continue to scout for late-season diseases and pests. Southern rust is the biggest issue we see in corn this time of year and is something you should definitely keep in the back of your mind. It was detected much earlier than normal this year in some southern states, so it could be a potential problem for farmers with later planted corn.

As soybeans begin to fill pods, it’s important to watch for stink bugs and other insects that target seeds. Long-term Practical Farm Research (PFR)® data from Kentucky suggests the R3 growth stage (beginning pod) is the most beneficial time for a fungicide and insecticide application. Soybean rust has not been a major problem since it migrated to the U.S., but it is still a concern for many plant pathologists across the southeast. My take home message this month is that we had an abnormally warm winter and have the potential for a lot of disease pressure, so scout your crops! 

Author: Austin Scott

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