worm in steam of zucchini

Every year I get a worm in the stem of my zucchini plants. They grow wonderfully, produce a few vegetables and then, BAM! The plant starts to rot at the base of the vine. I have moved them to different places, treated the ground, used compost and dusted with 7. I am at a loss. Can you please suggest something to stop them. I live in zone 5. Pittsburgh, PA area.
Submitted by BHGPhotoContest

You've got squash vine borer, and believe it or not, removing them by hand is the best way to save your zucchini vines. Check the plants daily for the first signs of a borer. When you start to notice the wilting, slice the length of stem with a thin paring knife until you find the intruder. Jab it out with the knife or with a thin piece of wire. Shallowly bury the damaged stem and water the entire area thoroughly. The plant may be able to heal from its wound, send out more roots, and recover.


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