Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Fruits and fruit flowers are damaged by temperatures below 28°F and by frost. Temperatures in Delaware reached 21°F or lower on April 6. Another freeze is predicted for Saturday, April 9. The… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu There are many new fungicide products for management of powdery mildew on cucurbits such as pumpkin, squash, cucumber and melon. Last year we conducted a trial at the… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Peas are very cold hardy and can tolerate freezing temperatures down to the low 20s. Lower temperatures (below 20°F) or a combination of high winds (gusts over 30 mph) and freezing temperatures… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Cabbage Be sure to watch for imported cabbage worm (ICW) and diamondback moth larvae (DBM) within a week of transplanting. As a general guideline, treatment is recommended if you find 5% of the plants… Continue Reading
4/27: Soil pH, Liming Rates and Fertility – Soil pH is only one number on a soil test report, but can control a lot of your production potential. To maximize your returns from the soil, understanding where soil acidity comes… Continue Reading
