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29:14

Physiological Leaf Roll Versus Growth Regulator Herbicide Damage Revisited

June 25, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Leaf curling, cupping, and rolling in vegetables can be caused by virus diseases, aphid infestations, herbicides and growth regulators. We are currently finding physiological leaf roll and leaf curling due to exposure… Continue Reading →

Vegetable Crops 29:14, herbicide injury, physiological disorders, tomato

Leaf Aging in Cucurbits

June 25, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu We are starting to see the oldest leaves (crown leaves) in watermelons, cantaloupes, squash, cucumbers, and pumpkins with large areas that are discolored (white, tan, or bronze). These leaves will be brittle… Continue Reading →

Vegetable Crops 29:14, cantaloupe, cucumber, pumpkin, slicing cucumber, watermelon

Vegetable Crop Insect Scouting

June 25, 2021kgyoung

David Owens, Extension Entomologist, owensd@udel.edu Spider Mite Alert New this year for us is participation in Syngenta’s Pest Patrol (https://www.syngenta-us.com/pest-patrol) a text to voice mail service that alerts subscribers when a new message has been posted that they can listen… Continue Reading →

Vegetable Crops 29:14, vegetable insect scouting

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