Cucurbit downy mildew has been confirmed on cucumber in Hunterdon County in Northern New Jersey. Downy mildew was found in cucumber in the southern part of the state a few weeks ago. To date, cucurbit downy mildew has only been reported in cucumber in the mid-Atlantic region. All cucumber growers who have not included a […]
Continue reading...July 27, 2016 Kris Holmstrom and Joe Ingerson-Mahar
Veg IPM Update: Week Ending 7/27/16
Sweet Corn European corn borer (ECB) moth activity is slowly increasing and spreading northward (see ECB map) . This is the early part of the second flight. Very few larval infestations have been detected. Be sure to begin monitoring plantings for ECB feeding while they are still in the whorl stage. Consider treating when the number of infested plants […]
Continue reading...July 27, 2016 Andy Wyenandt
Controlling Pepper Anthracnose
In recent years, pepper anthracnose caused by Colletotrichum spp. has become a significant problem on some farms in southern New Jersey. Unlike in tomato, where symptoms are only present in mature (red) fruit, pepper anthracnose can infect pepper fruit at any growth stage.
Continue reading...July 26, 2016 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato | Tomato Disease Forecast 7-26-16
Click to View | Download Report 7-26-16 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...July 25, 2016 Andy Wyenandt
‘Reba’ potato seed test positive for Dickeya dianthicola in New Jersey from Canada.
‘Reba’ potato seed (lot # 2015-3100460-022, Elite 3) certified by the Canadian Food Inspection Agency (CFIA), Grand Falls office in New Brunswick has tested positive for Dickeya dianthicola in New Jersey this summer. The same lot of seed was also shipped to PA. This is the first report of potato testing positive for Dickeya dianthicola in NJ from a Canadian […]
Continue reading...July 24, 2016 Andy Wyenandt
Vegetable Disease Briefs – 7/24/16
Asparagus rust has been reported. All growers with nursery, 1-, or 2 yr-old plantings should scout regularly and apply a protectant fungicide if one hasn’t initiated fungicide program to date. Bacterial leaf spot in pepper has been reported in southern New Jersey. Cucurbit downy mildew has been confirmed on cucumber in New Jersey. All cucurbit […]
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