Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Bacterial diseases have started to pop up in some snap bean fields. There are three main bacterial diseases that can be encountered on beans: bacterial blight, halo blight, and bacterial brown spot.… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Soft rot, which is a widespread disease of vegetables caused primarily by Pectobacterium spp. (formerly calledErwinia),has been observed this past week in cabbage. Numerous vegetable crops are susceptible… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland;jbrust@umd.edu If you think striped cucumber beetles seemed to be in greater than normal numbers this year you are not alone. This has been a particularly bad year for striped cucumber beetles in… Continue Reading
Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Date DSV Total DSV Accumulated P-Days Recommended Spray Interval 5/12-5/21 19 19 81 5-days 5/21-5/23 2 21 100 10-days 5/23-5/30 16 37 157 5-days 5/30-6/6 6 43 207 10-days 6/6-6-13 21 64… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist;gcjohn@udel.edu There are a number of leaf disorders that can be seen at this time in vegetable crops not related to diseases or deficiencies. Leaf Aging Discoloration, bronzing, whitening, brittleness, and leaf tearing are… Continue Reading
