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通过对0.3%苦参碱SL防治大白菜菜青虫的田间药效试验,试验结果表明,0.3%苦参碱SL是防治大白菜菜青虫的较好药剂,可以进行大面积推广应用。
The results showed that 0.3% Matrine SL is a better agent for controlling cabbage cabbage caterpillar, which can be applied widely in large area.