How to prevent and cure oily wheat rot disease? Some readers have asked: The oily wheat vegetables I planted in Gaozhou have been rotted since November last year. It is not a whole disease, but a single plant rots from time to time. It rots, the leaves are fine, and after the whole plant rots, many viral pesticides are ineffective.
This is mainly caused by sclerotinia and gray mold, commonly known as "rottening disease". The disease is prone to seriousness in the case of high air humidity; the incidence of the Pearl River region is high from now to the Qingming period.
After the diseased plant rots, the sclerotia of black particles, which resembles a mouse, is dried, which is a source of re-infection in the field. Control measures Firstly, the irrigation and drainage of vegetable gardens should be done to reduce the humidity in the field; the application of phosphorus and potassium fertilizers should be applied to strengthen the plants; the diseased plants should be cleaned up in time, and burned in a unified manner to reduce the number of pathogens in the field; in the early stage of the disease, timely spraying and prevention can also be sprayed in the disease. Control the spread of disease. The medicament may be selected from the group consisting of 50% iprodione wettable powder 1000-2000 times liquid, 50% procymidone wettable powder 1000 times liquid, and 30% pyrimethanil suspension 1000 times liquid.
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