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研究摸清了防治落叶松红瘿球蚜的防治适期为:越冬成蚜产卵前期、虫瘿开裂期和第二代若蚜越冬前期;试验筛选出防治最佳药剂为:50%抗蚜威可湿性粉剂2000-2500倍液,防效均能达到90%以上。
The study found that the control of larch aphid should be: pre-oviposition stage of winter aphid, pest cracking stage and the second generation of aphids overwintering prophase; the best screening and prevention and treatment of drug: 50% resistant to aphids Granville WP 2000-2500 times the liquid, control efficiency can reach 90%.