I also choose not to use things like Sevin so I do 2 things for SVB. I assume that the plants will be infected so I inject the main stem with a syringe of bt (Thuricide) which kills the larvae that I KNOW will be in there and I also plant a second hill of squash about 4 weeks after the first one so if the first one dies then the second one will be producing. This keeps us supplied with squash all summer long.
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