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Torac registered for use in vegetables

I assume most of you know by now that Torac is registered for a variety of insect pests on a variety of crops. Torac is a new mode of action for most insects (it is the same as some acaricides) and is relatively broad spectrum. There are a few specific…
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Whitefly-transmitted viruses in vegetable crops

We are currently detecting a variety of whitefly-vectored viral diseases in vegetable crops. The two of greatest concern are cucurbit leaf crumple virus and tomato yellow leaf curl virus. Both have been detected in multiple counties in southern Georgia but are generally at low levels to date; unfortunately, this could…
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Silverleaf Whitefly Update

Silverleaf whitefly populations have increased in many areas in the last few weeks and will likely continue to increase as we stay above average temperatures. When we start to cool off at night, the population increases should slow down. We have been fortunate that we have not seen population explosions…
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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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