Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Several cases of tomato bacterial spot, which is caused by Xanthomonas campestris pv. vesicatoria have occurred in our region this year. Bacterial spot is favored by warm weather… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu This has been a very hot dry summer so far and we would expect to see pests such as twospotted spider mites and their damage to be common, which we have.… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Tomato transplants with suspected symptoms can be treated with streptomycin (Agri-Mycin 17, Agri-Strep, 25) at 1 lb/100 gallons, or 1.25 teaspoon per gallon every 4 to 5 days prior to transplanting. Additionally, Kocide 3000… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu I have received samples, gotten reports, and have been in some really ugly tomato fields in the past two weeks. The fields consistently have similar appearances where the bottom third or… Continue Reading
Andy Wyenandt, Assistant Extension Specialist in Vegetable Pathology, Rutgers University; wyenandt@aesop.rutgers.edu All seed used in transplant production as well as any transplants brought into the greenhouse should be certified “clean” or disease-free. Important diseases such as bacterial leaf spot of… Continue Reading
