Rutgers Cooperative Extension
Several samples of brown ring patch found their way into the Plant Diagnostic Laboratory this week. Sometimes confused with take-all, fairy ring, or yellow patch, this relatively newly described malady of Poa annua putting greens is caused by the fungus Waitea circinata.
Continue reading...
Blackheaded fireworm Spotted fireworm Sparganothis fruitworm Cranberry Blossomworm Blunt-nosed leafhopper New Insecticide Closer SC The cranberry season has been off to a very slow start due to the cold weather. Insect activity is just starting to increase. Thus, growers need to intensify their scouting efforts. The following insect pests bear special mention for early-season scouting:
Continue reading...
The crew of the Plant Diagnostic Laboratory are always on the hunt for new and exciting examples of plant damage. Last week, out walking her dog, Sabrina Tirpak our Principle Technician and photographer happened upon a red maple with these amazing red leaf spots.
Continue reading...5-21-13 Tomato Report – Click to Download Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature. On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development […]
Continue reading...Potato Disease Forecasting Report 5-21-13 – Click to Download Welcome to the new potato report for 2013! As always, we will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. Remember the threshold for P-days is 300! Once 300 P-days is reached for your location early […]
Continue reading...5-14-13 Potato Report Updated report. Sorry folks, the information at the bottom of the original 5/14/13 report was not intended. No reports of Late blight in NJ. Welcome to the new potato report for 2013! As always, we will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. […]
Continue reading...
