Michigan Cucurbit update | August 30, 2023

  • Pumpkins are ripening on many farms.
  • Early melon and watermelon plantings are ending and later plantings continue.
  • Cucumber and pickle harvests continue from a rolling set of plantings.
  • Both downy and powdery mildew are widespread.
  • Powdery mildew pressure is relatively low overall.

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disease symptoms on Squash leaves

Powdery mildew can heavily infect cucurbit crops. Photo by Chris Galbraith, MSU Extension