Cucurbit downy mildew was confirmed on cucumber in Dorchester County, Maryland on 6/21/18. This is the first report of CDM in the mid-Atlantic region this growing season. All cucumber growers are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. All growers should scout cucumber plantings as well as all other cucurbit crops […]
Continue reading...June 15, 2018 Dean Polk, Dave Schmitt, Atanas Atanassov, Carrie Denson
Fruit IPM for 5/14/18
Peach: Oriental Fruit Moth (OFM): Second generation adults are flying in southern counties, and are just starting to fly in northern counties.
Continue reading...June 14, 2018 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato | Tomato Disease Forecast 6-15-18
Click to View | Download Report 6-15-18 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 14, 2018 Andy Wyenandt
Vegetable Disease Update – 6/14/18
Dickeya dianthicola has been confirmed on ‘Norwis’ potato in New Jersey from seed originating from Prince Edward Island. This is the first report of Dickeya on potato in NJ this growing season. All potato growers should continue to scout their fields on a regular basis. Please contact your county agent if you find suspect plants. […]
Continue reading...June 14, 2018 Cesar Rodriguez-Saona
Research on False Blossom and Blunt-nosed Leafhoppers
Blunt-nosed leafhoppers are vectors of a phytoplasma that causes false blossom disease in cranberries. This disease causes abnormalities in flowers, which include shortened, discolored and streaked petals, enlarged calyx, straighten inflorescence, and abnormal development of floral parts into leaves (phyllody). False blossom imposed a severe threat to the cranberry industry in the US in the first […]
Continue reading...June 13, 2018 Kris Holmstrom and Joe Ingerson-Mahar
IPM Update 6/06/18
Sweet Corn European corn borer (ECB) moths have declined in black light traps, and numbers are now very low. The highest activity now in central Morris County (see ECB map). As is normal, when the adult generation winds down, feeding increases. IPM technicians have reported dramatic increases in feeding in whorl and pre-tassel stage plantings in the all counties. Numbers […]
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