Bhabesh Dutta
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We have recently confirmed Cucurbit leaf crumple virus (CuLCrV) on watermelon from Mitchell County, GA. The symptoms include crumpling, curling, yellowing and chlorosis of leaves. Disease symptoms are not as severe as observed in yellow squash and zuchinni. The virus spreads by whitefly in a persistent manner.
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We have recently confirmed Cucurbit leaf crumple virus (CuLCrV) on snap bean 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 and may result in yield losses. The virus spreads by whiteflies in a persistent manner. Current projections indicate low disease incidence and sporadic/limited…
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Downy mildew on watermelon was confirmed on May 24 and May 27 from Decatur and Crisp Co. I would suggest our cucurbit growers to look for the downy mildew symptoms in their fields. Also, please advice your growers to include “Downy fungicides” in their weekly spray. Specifically on watermelon, please use following fungicides on a 5-7 day rotation: Orondis…
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Here are some important points to consider while managing downy mildew of onion: Question: “I found some downy in my onions today. It has been sunny, clear, and low humidity all week long. I thought downy liked humid, wet, cloudy weather. Why am I seeing it?” Response: Yes, you are correct. Downy mildew development is…
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We have confirmed Downy Mildew of Vidalia Onion today in the growing region today. I am urging growers to please take precautions and protect their crop from this disease! Here are your control options, based on the most recent (2018) UGA research data. I want to provide some options and how I rank them in terms…
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Catamaran® is a combination fungicide which contains chlorothalonil and potassium phosphite. This product is effective in the control of specified crop diseases and also provides protection through activation of the plants’ natural resistance mechanism. Catamaran® is intended for use as part of an Integrated Pest Management (IPM) system. When used in conjunction with good cultural…
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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…
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Prevention is the best way to control plant-parasitic nematodes in vegetable crops. This summer, we conducted a survey of nematodes in most of the vegetable-growing systems in southern GA. After analyzing the collected samples, data on nematode species and counts were conveyed to growers participated in the survey through county extension agents. We noticed that…
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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 projections indicate low disease incidence and…