Vegetable Briefs Cucurbit downy mildew was reported on cucumber in Caroline County, MD this Friday (6/21). This is the first report of CDM this year in the region. All cucurbit growers should scout their fields on a regular basis and consider adding downy mildew specific fungicides to their regular maintenance program. Pith necrosis has been […]
Continue reading...June 21, 2013 Richard Buckley
Red Leaf Spot… or not?
Red leaf spot of creeping bentgrass is a poorly understood leaf spot disease in turfgrass. Almost all golf course superintendents think they have it at one point or another, but nobody ever really does.
Continue reading...June 20, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Tomato Disease Forecasting Report 6-21-13
6-21-13 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...June 20, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato Disease Forecasting Report 6-21-13
Potato Disease Forecasting Report 6-21-13 – Click to Download 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 in southern […]
Continue reading...June 20, 2013 Andy Wyenandt
Late blight Reported on Tomato on the Eastern Shore, VA and in Maryland
Late blight was confirmed on tomato on the Eastern Shore of Virginia this afternoon and on tomato in Montgomery County, MD yesterday. All tomato and potato growers in New Jersey should scout thier fields on a daily basis and consider starting a standard weekly protectant fungicide program if one hasn’t already done so. No Late blight has been […]
Continue reading...June 19, 2013 Steven K. Rettke
Bagworm Caterpillar Egg Hatch Concluding
The common Bagworm Caterpillar (Thyridopteryx ephemeraeformis) has undergone egg hatch throughout much of the state during the past few weeks (GDD = 600-900). The early instar stages during the month of June can easily be overlooked. For the first few weeks after hatch, the smaller Bagworms do not produce conspicuous feeding symptoms. However, for best control results these […]
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