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田间药效试验结果表明,每667m2用45%福甲WP 200~600 g对水稻立枯病药后25d防效可达88.22%~96.63%,效果显著,可以大面积推广应用。
The results of the field efficacy test showed that the control efficacy of 45% Phragmites australis WP 200 ~ 600 g on the 25 d after the drug resistance of 667 m2 was 88.22% ~ 96.63% after 25 d after treatment, and the effect was significant and could be widely applied.