08/23/05 Envidor, mites, and tree fruit

08/23/05 Envidor, mites, and tree fruit

Bayer CropScience's new miticide product, Envidor, has been in the field test stage since the mid-1990's, but finally it is out for commercial use and application. BUCKELEW: We have registrations in Washington and Oregon currently. Those came quickly after the federal registration. And California should be next, within the year, according to Bayer's Product Development Manager Lamar Buckelew. He says what makes Envidor unique is it's mode of action. It is a lipid biosynthesis inhibitor. BUCKELEW: That basically refers to the impact on the mite's ability to produce fatty acids that are needed for normal growth and development, and production of eggs. And Envidor is cross resistant to other miticides. So the big question. What does this new product mean for the Northwest tree fruit industry when it comes to mite protection? BUCKELEW: It's specifically for mites and it's active on all the major mite pest species that effect pome fruit, and stone fruit and tree nuts from the Northwest. And in particular, has a very nice effect on pear rust mite, which is normally difficult to control in the Northwest. One other plus of Envidor according to Buckelew is that it can be used in Integrated Pest Management Programs because it does not harm many beneficial insects. Then again, the trade off, as Buckelew points out, is that by eliminating mites with Envidor, food populations for beneficials will be greatly reduced.
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