Cucurbit powdery mildew (CPM), caused by Podosphaera xanthii, is one the most important diseases of cucurbit crops throughout the world. The pathogen is an obligate parasite, just like cucurbit downy mildew, meaning it needs a living host in order to survive. In northern regions that have a killing frost in the fall the pathogen will […]
Continue reading...Fruit IPM Report July 7, 2025
Peach: Brown Rot: Warm and wet weather this summer have been ideal conditions for brown rot to develop on fruit (Figure 1). Most growers should be relying on a captan based program for mid-season covers, followed by better materials during the last 3 weeks pre-harvest. For reference see Dr. Norm Lalancette’s post Improving Your Late […]
Continue reading...July 7, 2025 Andy Wyenandt
Tobacco Streak Virus (TSV) found on tomato in New Jersey
Tobacco Streak Virus (TSV) was found on fresh-market tomato this past week in southern New Jersey. TSV has a host range of close to 200 species, including cranberry, tobacco, tomato, pepper, asparagus, bean, soybean, mustard, radish, a number of ornamental hosts as well as weeds such as thistle, field bindweed, and jimson weed. Like Tomato […]
Continue reading...July 4, 2025 Maria Cramer and Amanda Quadrel
Veg IPM update 7/4/25
Greetings from the Veg IPM team! We hope that you’re all enjoying the holiday and the nice weather for this weekend. Sweet Corn Moth captures in much of the state (see map) have decreased over the past week and a half, but a 4-day spray schedule is still necessary for most growers at this time. […]
Continue reading...July 4, 2025 Cesar Rodriguez-Saona
When Plants Get Sick, Pests Thrive: The Unseen Battle in Cranberry Bogs
Our research on how cranberries respond to phytoplasma infection—and its effects on above- and belowground herbivores—was recently featured on the Theobald Smith Society’s website in the article When Plants Get Sick, Pests Thrive: The Unseen Battle in Cranberry Bogs Phytoplasma infection, which causes false blossom disease in cranberries, is transmitted by the blunt-nosed leafhopper (Limotettix […]
Continue reading...July 3, 2025 Andy Wyenandt
Vegetable Disease Update – 7/3/25
Collar rot on fresh-market tomato has been reported sporadically around the state over the past week. For more information please click here. White mold and Southern blight have been reported this past week on fresh-market tomato in both high tunnels and fields in southern New Jersey. Cucurbit downy mildew was reported in MI this past […]
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