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苄·丙草胺40WP对稗草、节节菜、矮慈姑、异型莎草高效,对千金子、野荸荠防效优良。药后15、30、45d供试药剂4种浓度总体株防效分别为78.2%、87.9%、93.5%、97.1%,87.6%、93.1%、97.6%、97.7%和87.3%、92.8%、96.5%、97.4%;药后45d总体鲜重防效分别为85.3%、92.5%、94.4%、97.9%。对照药剂苄磺隆10WP和丙草胺50EC总体株防效分别为71.8%-79.7%和87.9%-92.4%。苄·丙草胺40WP对水稻安全。
Benzalkonium chloride 40WP on barnyard grass, abalone, dwarf arrowheads, Shaped sedge efficient, a thousand gold, wild water chestnuts good control. The control efficacy of the four agents at the concentrations of 78.2%, 87.9%, 93.5%, 97.1%, 87.6%, 93.1%, 97.6%, 97.7% and 87.3%, 92.8% and 96.5 %, 97.4%. The control effect of fresh weight on the 45th day was 85.3%, 92.5%, 94.4% and 97.9%, respectively. The control efficacy of the 10WP and pretilachlor 50EC control strains were 71.8% -79.7% and 87.9% -92.4%, respectively. Benzylmergramer 40WP is safe for rice.