Michigan Cucurbit update | July 5, 2023

Hard squash and pumpkin planting is wrapping up. Summer squash and cucumbers are being harvested. Some pollination issues were observed in zucchini and summer squash in southwest Michigan last week.
Stay on the lookout for cucurbit downy mildew. Consider starting protectant fungicides on cucumbers, pickles and melons. It was detected on cucumbers in Kent County, Ontario, on July 4, 2023.
Striped cucumber beetle pressure has been extreme in some cucurbit plantings.

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