Click to View | Download Report 6-25-16 Potato Disease Forecasting Report We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May […]
Continue reading...June 24, 2016 Andy Wyenandt
Dickeya dianthicola affecting potato in New Jersey
Dickeya dianthicola, an aggressive form of blackleg, has been found on potato in New Jersey for a second year in a row. The pathogen has also been found in potato crops in other states in the mid-Atlantic region this summer. The pathogen can cause significant losses if brought into the field on infested seed. Symptoms of […]
Continue reading...June 22, 2016 Kris Holmstrom and Joe Ingerson-Mahar
Veg IPM Update: Week Ending 6/22/16
Sweet Corn European corn borer (ECB) moth catches are very low now. The first flight is largely over, and as is common, feeding signs in the field have increased as eggs hatch. Present adult activity is largely confined to Gloucester and parts of surrounding counties (see ECB map). Larval feeding ranges from single digits to 40% in areas […]
Continue reading...June 22, 2016 Cesar Rodriguez-Saona
Sparganothis Fruitworm Degree-Day Update: as of June 21, 2016
Based on our degree-day model for Sparganothis fruitworm, flight initiation was predicted around 595 DD, and indeed, Sparganothis flight begun in Chatsworth, NJ, the week of June 6. As of June 21, Sparganothis has accumulated 839 DD. Based on the DD model, Sparganothis peak flight is predicted by the end of this week (884 DD). […]
Continue reading...June 21, 2016 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson
Fruit IPM for 6-21-2016
Brown Marmorated Stink Bug being found in traps with low levels of damage in the field. Starting Spotted Wing Drosophila treatments in blueberries. Grape Berry Moth treatments due by the end of the week in southern counties. View the full update for 6-21-2016.
Continue reading...June 21, 2016 Andy Wyenandt
Vegetable Disease Briefs – 6/21/16
Cucurbit downy mildew has been reported on cucumber as far north as northern North Carolina this past week. CDM was reported on acorn, yellow summer, and butternut squash in South Carolina and on watermelon and cucumber in North Carolina. All cucurbit growers should scout on a regular basis for downy mildew and powdery mildew. There have been […]
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