With the wet weather we’ve experienced in New Jersey over the weekend and the warm temperatures to follow this coming week Phytophthora blight (P. capsici) and Pythium are likely to start showing up in pepper, tomato, and cucurbit fields. [Read more…]
Vegetable Disease Update – 5/17/13
This past week there were a few reported cases of bacteria causing problems in tomato transplants, along with an isolated case of pith necrosis from the field as well as bacteria causing issues in strawberry. There have been no reports of late blight or cucurbit downy mildew in the region to date. [Read more…]
Controlling Basil Downy Mildew
by Kathryn Homa1,2, Robert Pyne1, Bill Barney2, Andy Wyenandt1, and Jim Simon1
Department of Plant Biology and Pathology, 1Rutgers University; 2IR-4 Program
Sweet basil (Ocimum basilicum) is an economically important fresh culinary herb grown in the United States. In fall of October 2007, a new disease of basil, downy mildew (Peronospora belbahrii) was first reported in FL. [Read more…]
Understanding the Strobilurin Fungicides (FRAC code 11)
The strobilurin, or QoI fungicides (FRAC code 11) are extremely useful in controlling a broad spectrum of common vegetable pathogens. You may know some of strobilurins as azoxystrobin (Quadris), trifloxystrobin (Flint), pyraclostrobin (Cabrio), or Pristine (pyraclostrobin + boscalid, 11 + 7). [Read more…]
NEWA Disease and Insect Forecasting System
Since 2011 the vegetable working group has teamed up with Cornell University’s NEWA to bring tomato and potato late blight and early blight forecasting to vegetable growers throughout New Jersey. Over 30 weather stations from Sussex to Cape May County now offer disease as well as insect forecasting services for 19 specific pests. [Read more…]