Michigan Cucurbit update | July 5, 2023

Cucurbits & pickles report

  • Hard squash and pumpkin planting will be wrapping up soon.
  • Summer squash and cucumbers are being harvested.
  • Some pollination issues were observed in zucchini and summer squash in southwest Michigan last week.
  • Cucurbit downy mildew was detected on cucumbers in Ontario on July 4, 2023.
  • MSU is looking for anthracnose leaf and fruit rot and Phytophthora samples for research.
  • Striped cucumber beetle pressure has been extreme in some cucurbit plantings.

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cucumber beatles on cucumber leaf

Cucumber beetles on cucumbers. Photo by Chris Galbraith, MSU Extension.