The paper described the control effects of haloxyfop - R -methyl EC (the prayed concentration was 108 g/L) on Phragmites communis in flax field. The results showed that haloxyfop - R -methyl EC had a good control effect on P. communis. . The rates of the killed plants and the lost weight were 80.00% and 86. 23% at the dosage of 1650 mL/hm2 after 45 days. This herbicide was safe for flax, and could be popularized to control P. communis. in large scale.%研究了108 g/L高效氟吡甲禾灵乳油对胡麻田芦苇(Phragmites communis)的防除效果,结果表明,该除草剂对芦苇具良好防效,1650 mL/hm2药后45 d的株防效和鲜重防效分别为80.00％和86.23％,且对胡麻安全,可大面积推广.
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