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1对苹果红蜘蛛防效 1 999年选取红蜘蛛发生较重的 1 0年生红富士苹果为试验材料 ,采用石家庄化工厂提供的1 .8%齐螨素作药效试验。设 4个处理 :(1 )喷1 .8%齐螨素 5 0 0 0倍液 ;(2 )喷 1 .8%齐螨素6 0 0 0倍液 ;(3)喷 1 5 %扫螨净 (江苏克胜集团 )30 0 0倍液 ;(4 )喷清水 (
1 on apple red spider control effect In 1999, selected red spider occurred heavier 10 year-old red Fuji apple as the test material, using Shijiazhuang Chemical Factory provided 1.8% of the compound mites for efficacy test. Set 4 treatment: (1) sprayed 1. 8% of the mixture of mites 500 times; (2) sprayed 1. 8% of the compound mites 600 times; (3) spraying 15% sweeping mites Net (Jiangsu Kesheng Group) 30 0 0 times; (4) Spray water (