Skeletonized leaves

mariabee(6KY)June 1, 2008

My Goose beans are about 6 inches tall, and beautiful, except that some of the leaves are getting holey, a few to the point of skeletons. They're not too far gone to save, but I'd like to stop the destruction. What is causing this, and do you have any suggestions for organic control? Thanks.

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jimster(z7a MA)

Mexican bean beetle is the most likely source of the problem. They will destroy the crop is left unchecked.

Pediobius foveolatus, a MBB predator wasp, is an organic control. It will not give you immediate results though. Search this forum for Mexican and you will get two threads about controlling MBB.

For immediate results, rotenone or spinosad can be used. I believe rotenone is certified for organic use. There was a recent thread on the Vegetable Growing forum about rotenone.

Jim

Here is a link that might be useful: Mexican Bean Beetle

    Bookmark   June 1, 2008 at 12:00PM
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