Stems may develop cankers, and affected fruits develop flecked blemishes, and may succumb to rot. Over time, the disease symptoms will spread elsewhere on the plant. (Image credit: “ Gray mold of tomato,” Scot Nelson, public domain.) Note the irregular edges of the spots, which don’t follow the paths of leaf veins. Leaves from a tomato plant infected with gray mold. When badly infected leaves are touched or picked, they will produce a cloud of spores. These spots darken to brown or gray, and in humid conditions may produce the disease’s namesake gray fungal growth. These spots may or may not be white in color. ![]() The first symptoms of gray mold typically appear on leaves in the form of water-soaked spots. Gray mold produces water-soaked spots and gray fungal growth-these symptoms eventually spread to other parts of the plant. Plants infected with the disease feature symptoms including blotches, fungal growth, and rot on plant buds, flowers, fruits, leaves and stems. Hundreds of plant species are vulnerable to gray mold, including common fruit-bearing plants such as strawberries, grapes, and apples, staple vegetables like onions and lettuce, and a variety of popular ornamentals. Plant Pathology: Taking you further than you ever imaginedĬheck out this video! It was made by the American Phytopathologycal Society and it highlights what you can do as a plant pathologist and what it takes to get you there.Gray mold, also referred to as Botrytis blight, is a fungal disease caused by Botrytis, a genus of fungus. Plant pathology is an interdisciplinary science that includes knowledge of plant biology, microbiology, molecular biology, genetics, biochemistry and ecology. Plant pathogens include fungi ( Fusarium, Alternaria), oomycetes ( Phytophthora, Pythium), bacteria ( Erwinia, Xanthomonas), viruses, phytoplasmas and nematodes. Plant pathology is the scientific study of plant diseases caused by pathogens. We encourage you to explore this site and would be pleased to assist you in meeting your needs regarding Plant Pathology. Collectively, these strengths not only serve our clientele and our science, but also provide a rich environment for graduate education and training that can be tailored to the specific career interests of the student, irrespective of whether they prefer training in the basic sciences or are preparing for a career in extension. The Department of Plant Pathology at North Carolina State University is composed of nearly thirty faculty that direct a diverse portfolio of programs with strengths in academic programs, research and extension. 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. NC State Plant Disease and Insect ClinicĮl inglés es el idioma de control de esta página.
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