Section 18 approved for Tenchu 20SG to control rice stink bugs in Louisiana – 2012 season

A Section 18 request has been approved by EPA for the use of Tenchu 20SG on up to 100,000 acres of Louisiana rice to control rice stink bugs. Click here to read about biology and management of rice stink bugs. This product will provide an alternative mode of action to the pyrethroids that are currently registered for use in Louisiana. The exemption expires October 31, 2012.

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Rice insecticide seed treatment considerations for 2012

We have had quite a few inquiries about using a combination of seed treatments, neonicotinoid and Dermacor X-100, in rice. While this practice is legal, using more than one seed treatment is not a practice that we encourage in most circumstances because it results in more insecticide use in rice production than may be necessary. Read on to learn more about the current situation.

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Rice Stink Bug Demonstration Program Results – 2011

As you may recall, we received approval for a Section 18 registration for Tenchu 20SG to control rice stink bug in Louisiana rice. This approval came very late in the season when most of the southern crop was either harvested, or well on it’s way to harvest. Fortunately, we were able to work with a team of county agents to line up some field locations and compare the efficacy of Tenchu 20SG to pyrethroid treatments. Overall, we concluded that either Tenchu 20SG or pyrethroids, when applied appropriately, both provided good control of RSB and prevented grade reductions due to peck. We are continuing to conduct research on rice stink bug thresholds and treatment strategies. I’ll talk about these results at the winter production meetings in 2012.

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It’s time to start scouting headed rice for rice stink bugs

It’s funny how when you work a field crop, life eventually moves in a pretty predictable cycle. Well, it’s that time of year again. Time to start scouting for rice stink bugs in headed rice, although it does seem to be coming a little bit earlier than usual. This is probably a result of very early planting of rice in some parts of south Louisiana. Unfortunately, field conditions are favoring a bad year for stink bugs. The drought conditions have killed off grasses that would normally serve as a host/reservoir for stink bugs, so there is a chance they will move more readily into heading rice.

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Planting rice water weevil demo sites in Evangeline and St. Landry Parish

Last week we planted the rice water weevil demonstration test sites in Evangeline and St. Landry Parish. Both locations are the hybrid variety XL745. At each location we will be comparing the seed treatments CruiserMaxx, Dermacor X-100 and NipsitInside to an untreated check.

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Making demo test plans in St. Landry, Acadia and Calcasieu Parish

The last couple of days we have traveled the state to meet with cooperators for the rice water weevil demonstration tests. We met with cooperators in Acadia, Calcasieu and St. Landry Parishes.

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