Symptoms of Phytophthora blight on eggplant include leaf spots that can be large, fruit rot, crown rot, and dieback of the growing tip. Plants with the last two symptoms often die. This disease has ...
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Bloat (aka stem and bulb) nematode was confirmed on garlic four times on Long Island between 2010 and 2016. This nematode (Ditylenchus dipsaci) occurs where contaminated cloves were planted. It can survive in soil ...
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White mold (aka timber rot) has been observed occasionally on Long Island in tomatoes growing in the field and in high tunnels. Other crops observed affected in the area include pepper, lettuce, and cabbage. ...
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Beans are not as commonly affected by Phytophthora blight as other crops, notably cucurbit crops and peppers. Beans have not been recognized as a host for the pathogen (Phytophthora capsici) for very long. First ...
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Sunscald damage to fruit can occur when exposed to sunlight as a result of loss of leaves. The potential for this to happen increases substantially in the fall because leaves have died and heavy ...
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Symptoms are small brown leaf spots, sometimes with characteristic tan centers and tiny black round structures (pycnidia) where the pathogen’s spores are produced. Tiny, dark brown spots (usually less than ¼ inch in diameter) ...
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Anthracnose occurs occasionally in cucurbit crops in the Northeast. Following pictures of cucumber leaves taken on 7 and 15 August in 2014 show how symptoms can change in appearance in just one week. The ...
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The fungus Fusarium infects crown, root, and fruit tissue of pumpkin. Symptoms have been observed on Long Island in fields where there is limited rotation, such as those used for u-pick, suggesting that it ...
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From Margaret McGrath (mtm3@cornell.edu), reposted from CCE Suffolk Long Island Gardening (2016-09-16): If your basil leaves have turned yellow and display a dark-brown sooty growth on their underside, then your plants have downy mildew, a ...
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Symptoms caused by Potato Virus Y (PVY) vary quite extensively in appearance and also severity, from negligible to severe. This is due to the strain (type) of PVY causing the infection and the potato ...
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