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Old 03-12-2012, 12:40 AM   #1
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Default Herbicides threaten butterfly populations

Commonly used herbicides seen as threat to endangered butterflies

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Key to the butterfly's survival is the naked stem buckwheat plant, which is easily overgrown by the non-native plants ripgut brome, vetch and yellow starthistle
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Refuge managers have tried to weed by hand but the process risks disturbing the buckwheat plants and butterfly eggs and larvae. And when refuge managers started spraying the plants with herbicides, they noticed the butterfly populations were dropping even more, says Stark
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Old 03-16-2012, 10:42 AM   #2
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And this comes as a surprise to refuge managers.....
Somebody should send them through a few IPM courses.
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