MySheen

Introduction to the prevention and control of grape black pox

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, 1. Eliminate the source of bacteria. After falling leaves in autumn, the fallen leaves and diseased ears are removed and buried deeply, and the old bark scraped off should be burned immediately. When the grape bud scales sprout in spring, spray Baume 3-5 degree stone sulfur mixture + 0.3% pentachlorophenol sodium. 2. Strengthen the cultivation and management. Combined with summer pruning, carefully cut off diseased branches, diseased leaves and diseased fruit.

1. Eliminate the source of bacteria. After falling leaves in autumn, the fallen leaves and diseased ears are removed and buried deeply, and the old bark scraped off should be burned immediately. When the grape bud scales sprout in spring, spray Baume 3-5 degree stone sulfur mixture + 0.3% pentachlorophenol sodium. 2. Strengthen the cultivation and management. Combined with summer pruning, careful pruning of diseased branches, diseased leaves and diseased fruits to reduce re-infection; reasonable application of phosphorus and potassium fertilizer and control of nitrogen fertilizer to enhance tree potential and prevent overgrowth; reasonable retention of branches and improvement of ventilation and light transmission conditions are important measures for the prevention and treatment of the disease. 3. Spray medicine early and skillfully, spray one medicine before or after flowering of grapes and when the fruit is big enough for soybeans, such as Pubo, Fuxing, Chlorothalonil, carbendazim and so on.

 
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