Rutgers Cooperative Extension
In this article: Impact & Biology Symptoms & Case Example: White pine blister rust Management Where would we be without rusts? Rust diseases, to a plant pathologist, are anything but boring. In fact, this group of plant diseases contains some of the most destructive pathogens of vascular plants. Throughout history, rust epidemics have caused famine […]
Continue reading...This week: Bacterial leaf spot of bell pepper; Leather rot of strawberry; and Phytophthora crown rot of eggplant.
Continue reading...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...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...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 […]
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