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Hurricane Michael Update (Tim Coolong, Andre Da Silva, Bhabesh Dutta, and Greg Fonsah)

Damage to the fall vegetable industry caused by Hurricane Michael has thus far been significant for growers in Southwest Georgia.  Damage closely followed the path of the storm, with a line stretching from Seminole and Decatur counties up through Mitchell and Grady, Colquitt, Tift and even reaching fields in the Crisp county region.  Vegetable production regions near Lowndes and Echols Counties may have some loss but are expected to have escaped the worst of the damage.
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ALERT: Whitefly-Transmitted Cucurbit Leaf Crumple Virus Detected in Georgia

We have  recently confirmed Cucurbit leaf crumple virus (CuLCrV) on yellow squash at UGA, Tifton, GA. The symptoms  include crumpling, curling, yellowing and chlorosis of leaves. Infected plants appear stunted with distorted growth. Disease symptoms can be severe, especially in Cucurbita spp. (e.g., various types of squash), and may result in yield losses.  The virus spreads by whiteflies in a persistent manner. Current…
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Recent events of watermelon vine decline in GA

Watermelon vine crash or decline has been reported from number of fields from different counties in southwest GA. Based on the county extension agents’ reports and also from the personal observations made by extension specialists (B. Dutta and T. Coolong), symptoms of vine decline are mostly associated with low-wet spots…
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Some relevant information on Powdery mildew of cucurbits

Powdery mildew is a common disease of cucurbits under field and greenhouse conditions in most areas of the United States.  Although all cucurbits are susceptible, symptoms are less common on cucumber and melon because many commercial cultivars have resistance. This disease can be a major production problem if not manage timely….
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Root knot nematodes found on onion (by Dr. Hajihassani)

Onion fields infested with root knot nematodes (RKN) were found in the Vidalia area. As can be seen in the picture (Photo: Aubrey Shirley), typical symptoms of RKN on above-ground parts of plants can involve patchy stunting, poor growth and yellowing of leaves. These symptoms are rather similar to nutrient deficiency. Premature wilting…
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Rhizoctonia damping off in watermelon transplants

Lately, UGA Plant Disease Clinic at Tifton received number of watermelon transplants with typical Rhizoctonia symptoms.  Rhizoctonia infection may cause a sunken, necrotic lesion near the soil line in seedlings. The lesion girdles the stem, and the seedling collapses and dies quickly. Cultural control In the greenhouse or seedbed, use…
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