How to cure grape gray mold
Grape Botrytis cinerea is a common disease in the process of grape planting, which seriously harms the growth of grapes, causes the decline of grape quality and yield, and causes great economic losses to farmers. Therefore, farmers should strengthen the prevention and control of the disease. So, how to cure grape gray mold?
Generally speaking, spraying two times of insecticides before flowering, bagging and near ripening period can effectively control grape gray mold. When there is no disease, choose protective agents, such as Kobo, Baobei thiram and Bordeaux liquid and so on. Once symptoms are found and all infected fruits are removed, therapeutic agents such as 1000 times of 50% Pythium (Sukeling) and 1000 times of 40% pyrimethamine are sprayed immediately.
In the vineyard where the disease is more serious, it is generally better to use therapeutic agents and protective agents alternately. In the use of chemical prevention and control, in addition to seize the critical period, symptomatic use of medicine, but also to ensure that the drug is true and high quality. Spray evenly and thoughtfully, with emphasis on the susceptible parts.
Botrytis cinerea is a very difficult disease, so we must pay attention to prevention and comprehensive prevention. In short, strengthening orchard management and improving tree disease resistance is the basis of prevention and control; timely removal of pathogens and transmission routes is the key to prevention and control; timely use of chemicals to kill bacteria is a necessary measure to control the harm of Botrytis cinerea.
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