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1 西红柿疫病。发病初期,可轮流使用1:5:200~250倍液的波尔多液、代森系列600~800倍液、瑞毒铜600~800倍液、杀毒矾400~500倍液防治。每7~8天喷1次,连喷3~4次,喷后遇雨补喷。 2 辣椒、番茄、豆类病毒病。用高锰酸钾1000倍液、磷酸三钠500~800倍液或磷酸二氢钾500~1000倍液、83增抗剂5ml对水50kg喷雾,每隔7~10天灌1次,连续
1 tomato disease. Early onset, you can take turns using 1: 5: 200 ~ 250 times the liquid Bordeaux mixture, generation of the series of 600 to 800 times, Rui copper 600 to 800 times the liquid, anti-virus alum 400 ~ 500 times prevention and treatment. Every 7 to 8 days spray 1, and even spray 3 to 4 times, spray after the rain make up spray. 2 chili, tomato, legume virus disease. 1000 times with potassium permanganate, 500 to 800 times of trisodium phosphate or potassium dihydrogen phosphate 500 to 1000 times, 83% of the agent 5ml spray 50kg of water, every 7 to 10 days for irrigation 1, continuous