Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Downy mildew of spinach has been found in the mid-Atlantic. This disease is not common in Maryland or Delaware, but I do see it occasionally. Symptoms begin with… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Lettuce We received a lettuce sample last week in the plant clinic from a high tunnel operation with lettuce drop. The following are the fungicide recommendations for the two lettuce diseases of importance in… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Bolting is the term used for flower stalk formation in vegetables. Bolting response may be related to temperature, daylength, or a combination. Bolting in spinach, lettuce, and some radishes (oriental types) will… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu The pre-harvest interval for Dual Magnum on spinach has been changed from 40 to 50 days. Growers are reminded that a Special Local-Needs Label 24(c) has been approved for the use of… Continue Reading
Gordon Johnson, Extension Ag Agent, Kent Co.; gcjohn@udel.edu We have had a late spring with limited periods where soils were dry enough to plant spring crops. Warmer weather is being forecast for the coming week. However, soil temperatures currently are… Continue Reading
