This week: Bacterial leaf spot of bell pepper; Leather rot of strawberry; and Phytophthora crown rot of eggplant.
Continue reading...May 17, 2015 Andy Wyenandt
Vegetable Disease Briefs – 5/17/15
There have been no new reports of basil downy mildew in New Jersey this past week. Late blight has been reported as far north as Northern Florida this spring. Cucurbit downy mildew has been reported as far north as Southern Georgia this spring.
Continue reading...May 17, 2015 Andy Wyenandt
Vegetable Disease Update – 5/17/15
Pepper Bacterial leaf spot – Symptoms of bacterial leaf spot on pepper leaves include small, brown water-soaked lesions that turn brown and necrotic in the centers. Spots may coalesce and form large blighted areas on leaves and premature defoliation can occur. On fruit, brown lesions can form which have a roughened, cracked wart-like appearance. […]
Continue reading...May 14, 2015 Andy Wyenandt
Understanding Strobilurin Fungicides (FRAC group 11) in 2015
The strobilurin, or QoI fungicides (FRAC group 11) are extremely useful in controlling a broad spectrum of common vegetable pathogens. You may know some of older strobilurins as azoxystrobin (Quadris), trifloxystrobin (Flint), pyraclostrobin (Cabrio), or Pristine (pyraclostrobin + boscalid, 11 + 7). For example, FRAC group 11 active ingredients such as azoxystrobin are also now […]
Continue reading...May 13, 2015 Dean Polk
Fruit IPM Report 5-13-2015
[Download PDF version] Peach Oriental Fruit Moth (OFM): The flight captures really jumped this past week, especially in northern counties where some farms are seeing over 100 moths per trap. This is a reference point for 2 factors: First, OFM treatments should be ongoing during this time – see table below; and the first generation flight […]
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