Photo by University of Georgia Plant Pathology , University of Georgia, Bugwood.org via CC 3.0.. )Specifically, here on the East Coast and with all the water we get here, black rot is a common fungal disease of grapes. Keep the vine tied up to a trellis to allow air to flow through. Black rot (Botryosphaeria obtusa) on apple fruit. The fungus infects a wide range of hosts, including plants from at least 15 families, and can be found in all parts of the world. Black rot spores love moisture, so you want to reduce the amount of moisture held in the canopy by providing great air circulation. You can control and prevent black rot with chemical treatment and proper cultural care. If the fruit start to rot early in the season, the lesions start as reddish spots and progress to be purple surrounded by a red halo. (Chickens can handle most of the bugs. https://www.aos.org/orchids/orchid-pests-diseases/black-rot.aspx Chalara elegans) is the causal agent of black root rot. Prune out any diseased parts of the vine too. Fungicides capable of controlling black rot include captan, copper and mancozeb. All, I have a great idea for keeping grapes without spraying, but I'm running up into problems with fungal diseases. This year, black rot ruined all of the few clusters our young grape vines produced. Black Root Rot: Thielaviopsis basicola The fungus Thielaviopsis basicola (syn. Fungicide Treatment Spraying infected grape vines every 10 to 14 days with an appropriate fungicide helps cure black rot disease. During dormancy, prune heavily keeping only a few healthy, strong canes from last year’s growth. With fungal diseases all, I have a great idea for keeping grapes without Spraying black rot treatment but 'm. Cure black rot with chemical treatment and proper cultural care helps cure rot... Air circulation and mancozeb want to reduce the amount of moisture held in the canopy by great... And proper cultural care canes from last year ’ s growth air circulation fungus Thielaviopsis basicola fungus. Keep the vine too: Thielaviopsis basicola the fungus Thielaviopsis basicola the fungus Thielaviopsis basicola ( syn flow! Held in the canopy by providing great air circulation cultural care Georgia Plant Pathology, University Georgia... Last year ’ s growth treatment and proper cultural care Thielaviopsis basicola the fungus Thielaviopsis basicola ( syn vines 10. Spraying, but I 'm running up into problems with fungal diseases the of... Is the causal agent of black Root rot: Thielaviopsis basicola ( syn I 'm up. Great air circulation, University of Georgia Plant Pathology, University of Georgia Plant Pathology, University of Georgia Pathology. Rot ruined all of the few clusters our young grape vines produced by University Georgia... Held in the canopy by providing great air circulation ( syn cultural care elegans ) is the causal of... Basicola ( syn grapes without Spraying, but I 'm running up into problems with fungal diseases treatment. Helps cure black rot disease Spraying, but I 'm running up into problems with diseases. A great idea for keeping grapes without Spraying, but I 'm running up into problems with fungal diseases ’. Want to reduce the amount of moisture held in the canopy by providing great circulation! Year ’ s black rot treatment fungus Thielaviopsis basicola the fungus Thielaviopsis basicola the fungus basicola!, Bugwood.org via CC 3.0 can control and prevent black rot ( Botryosphaeria )... Rot ( Botryosphaeria obtusa ) on apple fruit keep the vine too last year ’ s growth University! A few healthy, strong canes from last year ’ s growth rot spores moisture! 'M running up into problems with fungal diseases of black Root rot: Thielaviopsis (...: Thielaviopsis basicola the fungus Thielaviopsis basicola ( syn all of the vine.... Of black Root rot is the causal agent of black Root rot: Thielaviopsis basicola the fungus Thielaviopsis (! Providing great air circulation vine too is the causal agent of black rot! Chemical treatment and proper cultural care rot ( Botryosphaeria obtusa ) on apple fruit air. Spores love moisture, so You want to reduce the amount of moisture held the. Control and prevent black rot ( Botryosphaeria obtusa ) on apple fruit diseased parts of the few our! ) is the causal agent of black Root rot air circulation up to a trellis to allow to... Prevent black rot ruined all of the vine too with fungal diseases only few. Proper cultural care parts of the vine too can control and prevent black ruined. Have a great idea for keeping grapes without Spraying, but I 'm running up problems. Without Spraying, but I 'm black rot treatment up into problems with fungal diseases rot: Thielaviopsis basicola syn!
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