Plant & Pest Advisory

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

July 9, 2015 Andy Wyenandt

Want More Information on Late Blight, Cucurbit Downy Mildew & Other Vegetable Diseases?

Look for it in the Vegetable Crops Edition Sidebar (shown right). As with Rutgers, other universities in the mid-Atlantic region share important information with vegetable growers in their respective states. Much of this information is extremely useful for conventional and organic vegetable growers in New Jersey. All of this information is shared, along with our own, […]

Filed Under: Vegetable Crops

July 8, 2015 Andy Wyenandt

Cucurbit Downy Mildew ALERT – 7/8/15

Cucurbit downy mildew has been found on cucumber in Southeastern Pennsylvania in Berks county. Cucurbit downy mildew has also been reported in cucumber in Western NY as well as Eastern MD and DE on watermelon this past week. Weather conditions in the region have been ideal for its development. All cucurbit growers who have not […]

Filed Under: Vegetable Crops

July 7, 2015 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato | Tomato Disease Forecast 7-7-15

Click to View | Download Report 7-7-15 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 6, 2015 Andy Wyenandt

Late blight found on tomato in New Jersey – ALERT – 7-6-15

Late blight (US-23) has been found on two tomato fields near Chester and Long Valley in Morris County, New Jersey. This is the first report of late blight in the state and region to date. All tomato (and potato) growers should immediately scout their fields looking for the diagnostic symptoms of the disease on leaves (Fig. 1) and/or […]

Filed Under: Vegetable Crops Tagged With: Late blight

July 4, 2015 Andy Wyenandt

Bacterial Brown Spot of Lima Bean

Bacterial brown spot (Pseudomonas syringae pv. syringae) was found on lima bean in southern New Jersey this past week. Bacterial brown spot is unusual and tends to show up under prolonged wet conditions. The bacterium is spread from the soil to the lower canopy by splashing rain and wind. Working in fields and cultivating during wet conditions can […]

Filed Under: Vegetable Crops