Effects of Fertilizer Nitrogen, Magnesium and Sulfur Rates and Sources on Yield and Quality on Pickling Cucumbers

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Balancing yield and quality is necessary in processing vegetables. Light skin color in eastern US grown pickling cucumbers is a quality issue for processors and inconsistent length:diameter (L:D) ratio leading to excess… Continue Reading

Best Management Practices for Using Commercial Bumble Bees on Horticultural Crops in Delaware

Jacquelyn Marchese, Graduate Student, Department of Entomology & Wildlife Ecology marchese@udel.edu; Deborah Delaney, Assistant Professor Entomology & Wildlife Ecology, dadelane@udel.edu; Gordon Johnson, Extension Vegetable & Fruit Specialist, gcjohn@udel.edu A common native pollinator in Delaware is the Common Eastern Bumble Bee… Continue Reading

Pollination Disorders in Cucurbits

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Watermelon harvest is underway on Delmarva; cantaloupe harvest started early this year, squash and cucumbers have been producing for over a month; and pumpkins and winter squash are setting fruit in earlier… Continue Reading

Sunburn in Fruits and Fruiting Vegetables

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu High temperatures, clear skies and high light radiation, and long daylengths are a recipe for developing sunburn in fruits and fruiting vegetables. We commonly see sunburn in watermelons, tomatoes, peppers, eggplants, cucumbers,… Continue Reading