Chinese cabbage soft rot disease is so hard to cure
Recently, Zhang Yuanxin, vegetable farmer, Qiqiao Town, Botou City, Hebei Province, China, reported that: The more serious soft rot occurred in the more than ten acres of Chinese cabbage he had planted, some of the farmer's streptomycin sulfate WP was purchased and even sprayed. All over, but the results are not ideal. Why is it so hard to cure cabbage soft rot this year? How to prevent it? In this regard, the author talks about the symptoms, intractable causes, and prevention and control methods of soft rot of Chinese cabbage, and gives his own opinions for reference.
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Chinese cabbage soft rot disease is a kind of bacterial disease that occurs more commonly. It is usually more than sporadic, causing mild effects on Chinese cabbage. This year, the cabbage seedling temperature is higher than usual, plus this year, the general rainfall in Hebei Province is relatively high, the humidity is relatively large, resulting in the disease than in previous years heavier, difficult to control.
Farmers can use pesticide spray control, use 50% thiazolone zinc wettable powder 750 times liquid + 20% methamphetazole wettable powder 750 times, 47% spring thunder Wong copper wettable powder 450 times liquid + 54.8% chlorobromine Bioactive liquid agent 600 times liquid, 46% copper hydroxide water dispersible granules 1500 times liquid + 50% Chlorobromoisocyanuric acid wettable powder 750 times liquid, Fengfeng 1+1 special drug for refractory bacterial diseases (20g Powder + 25 ml microemulsion) 333 times spray.
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