Purple spot, caused the soil-borne fungus, Stemphylium vesicarium, can cause problems in cool, wet springs as well. Symptoms, just like its name, include numerous, sunken oval-shaped spots on spears during the harvest season and more importantly on ferns and stalks during the summer months as long as conditions are ideal for its development. Twelve hours […]
Continue reading...April 21, 2015 Andy Wyenandt
Suppressing Soil-borne Pathogens in Organic Transplant Production
Pathogens such as Fusarium, Pythium, Phytophthora, Thielaviopsis and Rhizoctonia that cause pre- and post-emergent damping-off can cause serious problems in organic transplant production. Remember, Phytophthora and Pythium are more likely to cause damping-off in cool, wet soils. Conversely, Rhizoctonia and Fusarium are more likely to cause damping-off under warmer, drier conditions. In general, Pythium tends […]
Continue reading...April 21, 2015 Andy Wyenandt
Early-season Pythium and Phytophthora Control in Pepper and Tomato Crops
“What should I do to help prevent Pythium and Phytophthora in my pepper and tomato crops early in the season?” is a question most often asked this time of year. In the past, the answer was simple. Apply mefenoxam (Ridomil Gold SL, Ultra Flourish, 4) or metalaxyl (MetaStar, 4). Problem solved, right? Not exactly, with […]
Continue reading...April 20, 2015 Administrator
NJ Crop Insurance News Reminder
Apr 30: spring and fall forage seeding contract change date Created to inform New Jersey ag producers about crop insurance, the Garden State Crop Insurance Education Initiative Team makes available important information through multiple media outlets. Get the latest news by visiting the website or follow via blog, Facebook, or Twitter. Garden State Crop Insurance […]
Continue reading...April 15, 2015 Dean Polk
Fruit IPM Report 4-15-2015
Download PDF version Peach: Brown Rot: Blossom infections from the brown rot fungus can occur whenever pistils are exposed and a favorable climate exists. Infections can occur during any wetting period when temperatures are between 41 and 86°F. However optimum conditions for infection occur with wetting and temperatures in the mid 70’s. During long wetting […]
Continue reading...April 14, 2015 Richard Buckley
Gettin’ Over The Winter Blues
The Plant Diagnostic Laboratory is in recovery from SAD – not seasonal affective disorder – but sample affected disorder! Snow cover equals very few sample submissions, so with the exception of our talk show circuit, life in a plant diagnostic facility is pretty quiet in the winter. While it is certainly a pleasure to see […]
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