All posts by Scott Stewart, West TN Research & Education Center

Why am I Talking About Cotton Aphids Now?

Sometimes it seems like all we talk about is bad news.  Well the good news is that cotton aphids were not a big issue in 2012, and for the most part, they have only occasionally cause problems in Tennessee during the last decade.  The bad news is that we have now confirmed that resistance to the neonicitinoid insecticides such as Admire Pro or other imidacloprid products, Centric and Belay is present in aphid populations in West Tennessee. Continue reading


Loopers and Stink Bugs Still a Concern

Soybean looper

I can’t say the phone is ringing off the hook.  Farmers are busy and I sense grumpiness in some corners, but let’s not cut off our nose to spite our face.  Stink bugs are becoming very common in fields in many parts of the state.  Loopers are more sporadic but also present in some areas.  I’ve previously mentioned that the pyrethroid insecticides DO NOT provide adequate control of soybean loopers.  Unfortunately, the best treatments for loopers DO NOT provide adequate control of stink bugs.  I’ve included a table below that illustrates this point. Continue reading


Cotton Defoliation Alert

Author:  Comments Off on Cotton Defoliation Alert

Please see the advisory posted by Dr. Tom Barber, University of Arkansas Extension Cotton Specialist. I strongly agree with his remarks and provide this information to caution Tennessee producers from applying defoliants until the threat of tropical storm Isaac passes.

 

http://www.arkansas-crops.com/2012/08/27/cotton-defoliation-alert-hurricane-isaac/