Plant & Pest Advisory

July 10, 2015 Andy Wyenandt

Leaf Mold in Tomato

Leaf mold (formerly Fulvia fulva) has been confirmed in field-grown tomatoes in Cape May County. Leaf mold occasionally appears in high tunnel or greenhouse tomato production in New Jersey. However, under ideal conditions the disease will develop in field-grown crops. The fungus will cause infection under prolonged periods leaf wetness and when relative humidity remains […]

Filed Under: Organic Production, Vegetable Crops Tagged With: leaf mold, tomato

July 10, 2015 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato | Tomato Disease Forecast 7-10-15

Click to View | Download Report 7-10-15 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 […]

Filed Under: Disease Forecasting

July 9, 2015 Dean Polk

Fruit IPM Report 7-9-2015

Peach Oriental Fruit Moth (OFM): While we are still between flights, trap counts indicate a slight pick up of moth activity for the start of the 3rd flight. The first insecticides will be due by the middle of the month in southern counties and about a week later in northern counties. Time your sprays according […]

Filed Under: Blueberry, Fruit, Tree Fruit

July 9, 2015 Kris Holmstrom and Joe Ingerson-Mahar

Veg IPM Update: Week Ending 7/8/15

Sweet Corn We are still between European corn borer (ECB) adult generations at this time. Very few individuals have been captured throughout NJ this past week (see ECB map). ECB infestations are almost gone from all sweet corn plantings. We would expect to see signs of the second flight within the next two weeks. As […]

Filed Under: Vegetable Crops

July 9, 2015 Andy Wyenandt

Cucurbit Downy Mildew Confirmed on Cucumber in NJ – ALERT – 7/9/15

Cucurbit downy mildew has been confirmed on cucumber in Salem County, New Jersey. This is the first report of cucurbit downy mildew in the state this growing season. The pathogen has also been found on watermelon in DE and MD and on cucumber in PA. All cucurbit growers should consider adding a downy mildew specific […]

Filed Under: Vegetable Crops

July 9, 2015 Andy Wyenandt

Anthracnose and Alternaria Leaf Blight in Cucurbit Crops

Anthracnose and Alternaria leaf blights are showing up in cucurbit crops. Weather conditions in the region continue to be ideal for disease development across all vegetable crops. The regular rainfall and high humidity that have plagued the region only acts to exacerbate problems. All cucurbit growers should be on high alert for foliar diseases such […]

Filed Under: Organic Production, Vegetable Crops