Vegetable Crop Reports Sept. 10 – 17 | ONvegetables

ONvegetables reports that wet soil conditions are conducive to infection by Oomycetes such as Phytophthora which can lead to extensive damage in the field, and can lead to storage rots. Workers harvesting pumpkins and squash with Phytophthora infections should sanitize their hands after handling infected fruits before handling uninfected fruit. Management of Phytophthora infestation in cucurbit fields requires a long (4-5 year) rotation.”

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Ontario Vegetable crop reports for July 30th, 2020

“Examine low lying or poorly drained areas noting any wilted or stunted plants, and look for lesions. Phytophthora usually presents as a foliar blight or a crown rot in zucchini, squash, and pumpkin, so look for dark lesions on the crown. In cucumbers and melons Phytophthora usually causes fruit and stem lesions so look for water soaked lesions with white spores developing on the fruit.”

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