More chinch bugs and a reminder about pest spectrum of rice insecticide seed treatments

This morning I received another call about chinch bugs infesting seedling rice – this is the fourth call I’ve had this season, so I want to remind field scouts to be on the look-out for this pest. So far they have been reported in Jeff-Davis, Evangeline and St. Landry Parishes. In this blog posting I also provide a reminder about which insects are controlled by the different seed treatments.

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Rice stand observations at Acadia Parish RWW demo site

Today Anna and I met with County Agent Barrett Courville and Crop consultant Rustin Gilder at the Acadia Parish demo site which is farmed by Glen and Wes Simon. We were pleased to find a healthy, rigorous stand of rice. Much of the field is already at tillering stage just two weeks after seedling emergence! This location was planted with XL745 at #25 seeding rate.

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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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Planting at Acadia Parish rww demo test site.

On March 16, 2011 we planted the Acadia parish demo test site. This blog posting includes a description of the treatments, field maps and plans for gathering data this season.

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Rice insecticide seed treatment options in 2011

In the 2011 production season, Louisiana rice producers will have a variety of options for seed treatment in dry-seeded production systems. This article should help make the decision about which seed treatment you may want to consider.

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NipsitInside seed treatment from Valent

Valent has been working with Mike Stout and other university scientists across the US to develop a new insecticide seed treatment for rice water weevil management in rice. This product is called NipsitInside and contains the active ingredient Clothianidin. Clothianidin is a neonicotinoid insecticide.

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Monitor your insecticide seed-treated fields.

The new seed treatments are a tool we have available in rice integrated pest managent. The goal of these treatments is to prevent infestation by rice water weevil larvae. The two treatments that are available provide variable levels of weevil control. Historically, Dermacor X-100 has provided a better level of rice water weevil control than CruiserMaxx. Dermacor typically provides about 95 to 98% control of rww larvae. CruiserMaxx provides above 80% control. With this difference in the level of control, it would not be surprising to see some larvae in bucket samples in infested fields. This year we are evaluating Dermacor X-100 and CruiserMaxx in side-by-side commercial field evaluations. The data are now coming in.

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