Diagnosis has been confirmed by the Disease and Insect Clinic at North Carolina State University. The extent of damage ranges from small tire size dead spots to the loss of entire beds. The symptoms are a sudden wilt, death of sprouts and melt down of storage roots. ![]() Southern blight (also known as the Sclerotial blight) caused by the fungus Sclerotium rolfsii has been recently identified in sweetpotato beds in many areas of North Carolina. Estoy de Acuerdo / I agreeįrom: Zvezdana Pesic-Van Esbroeck, Department of Plant Pathology, Jonathan Schultheis and Allan Thornton, Department of Horticultural Science, and Billy Little, North Carolina Cooperative Extension Service, Wilson County Center Please note that some applications and/or services may not function as expected when translated. NC State Extension does not guarantee the accuracy of the translated text. As with any Internet translation, the conversion is not context-sensitive and may not translate the text to its original meaning. To the extent there is any conflict between the English text and the translation, English controls.Ĭlicking on the translation link activates a free translation service to convert the page to Spanish. Por favor, tenga en cuenta que algunas aplicaciones y/o servicios pueden no funcionar como se espera cuando se traducen.Įnglish is the controlling language of this page. NC State Extension no garantiza la exactitud del texto traducido. Al igual que con cualquier traducción por Internet, la conversión no es sensible al contexto y puede que no traduzca el texto en su significado original. En la medida en que haya algún conflicto entre la traducción al inglés y la traducción, el inglés prevalece.Īl hacer clic en el enlace de traducción se activa un servicio de traducción gratuito para convertir la página al español. If sclerotia of either pathogen make their way back into the soil, both can survive for years causing significant problems.Īll infected plants need to be removed immediately and disposed of properly to help reduce the chances of sclerotia returning to the soil.įor more information on chemical control please see the 2022/2023 mid-Atlantic Commercial Vegetable Production Recommendations Guide.El inglés es el idioma de control de esta página. The pathogen produces large black sclerotia on the surface and inside infected stems. White mold is more common than Southern blight in New Jersey, and like Southern blight, once introduced into a field or high tunnel it can very difficult to control. The fungus will produce white, cottony mycelium and very small, spherical sclerotia which are often have a tannish, brown color. The resulting infection will girdle the plant causing wilt and death. ![]() Symptoms of Southern blight include infection at the base of the stem at the soil line. ![]() Like white mold, it can survive in the soil for many years. ![]() Southern blight is much more common in vegetable areas south of the state where summer temperatures remain hotter (above 90☏) for longer periods of time. There have been a few reports of Southern blight ( Sclerotinia rolfsii) and White mold ( Sclerotinia sclerotiorum) on tomato and pepper in New Jersey.
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