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应用40%的甲基异柳磷3000 g/hm2在马铃薯播种前进行土壤喷施或5%的辛硫磷颗粒剂22.5 kg/hm2撒于播种沟内,可有效防治马铃薯地下害虫。防治马铃薯晚疫病最优的方案应该是在雨季即将来临前使用保护剂,发病初期使用杀菌剂,然后再使用保护剂,以防为主,防治结合。
Application of 40% methyl isophorone 3000 g / hm2 Spraying soil before sowing potato or spraying 22.5 kg / hm2 of 5% phoxim granules in seeding ditch can effectively prevent and control potato underground pests. Prevention and control of late blight potato program should be optimal in the rainy season before the use of protective agent, the initial use of fungicides, and then use protective agent to prevent the main combination.