Diseases. In the initial stage of disease, 45% chlorothalonil aerosols (110 g to 180 g) per acre are used for fumigation, 7 days for one time, depending on the severity of illness, 3 times to 4 times, or 1% of chlorothalonil dust per acre for 1 kg. Spray once every 7 days, spray 2 or 3 times, or spray with 64% antimony wettable powder 500 times, or 70% ethospin manganese zinc wettable powder 500 times. After the central disease was found in the middle and later stages, it was irrigated with 50% methlyphos WP 800 times solution or 72.2% plukese 600 times solution ～ 800 times solution, with 100 ml to 200 ml per hole. anthrax. At the beginning of the disease, use 50% mixed sulfuric acid suspension 500 times, or 80% anthrax fume wettable powder 600 times to 800 times, or 1:1:200 Bordeaux, or 75% chlorothalonil wettable powder 600 times. The liquid spray was sprayed once every 7 days to 10 days and sprayed twice or three times. Viral disease. Early use of 10% imidacloprid wettable powder 1500 times, or 40% dimethoate EC 1000 times to 2000 times, or 80% dichlorvos EC 1000 times spray. The initial onset was sprayed with 20% virus A400 or 1.5% epidemiological emulsion 400-500 times, sprayed 7 days, and sprayed 3 times. Scab disease. At the beginning of the disease, 72% of streptomycin-soluble soluble powders are used 4000 times, or 50% of copper citrate is used as wettable powder 500 times, or 14% of complex ammonia-copper water is sprayed as 300 times, and sprayed once every 7 days to 10 days. , spray 2 or 3 times.
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