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How to chemically control garlic diseases
I. Growing period (1) To control garlic rust, in years with abundant rainfall, check the disease foci promptly in early spring and carry out timely prevention. Generally use 15 percent Fenxiuning wettable powder at 1000 times dilution, or 15 percent Fenxiuning wettable powder at 1500 times dilution plus 70 percent mancozeb wettable powder at 1000 times dilution for the first control in early April, then control once more after 10 to 15 days, generally controlling 2 to 3 times depending on the severity of the disease. (2) To control garlic leaf blight, leaf spot,