Zucchini Stems Are Wilted and Dying

Question

One of my zucchini plants has wilted leaves and looks like it is dying. The other plants appear healthy.

Answer 1

It sounds like you may have a vine borer. These articles will help:
https://www.gardeningknowhow.com/edible/vegetables/squash/squash-pests-identifying-and-preventing-squash-vine-borer.htm
https://www.gardeningknowhow.com/edible/vegetables/zucchini/vine-borers-zucchini.htm