骠马乳油对高羊茅草坪禾本科杂草防效和安全性初报

Effect of Puma on the Control of Weeds of Grass Family in Direct Seeding Field of Tall Fescue

6 .9%骠马浓乳油对直播高羊茅坪中旱稗、马唐、狗尾草、牛筋草、千金子等禾本科杂草有良好的防效。在草坪生长 3～ 5叶期 ,用骠马 60 0～ 90 0ml/hm2 对禾本科杂草的株防效达 88.3 %～ 95 .3 %,鲜重防效达 91.9%～ 97.6%。

Puma EW had significant effect on the control of Var. hispidula (retz.) Honda、Digitaria sanguinalis (L.) Scop、Setaria viridis (L) Beauv、Eleusine indica (L) Gaertn、Leptochloa chinensis (L.) Ness grown in direct seeding field of tall fescue turfs. Suggested dosage was 600～900ml/hm 2 Puma during 3～5 leaves of turfs. The control effect on weeds plant was 88.3%～95.3% and on fresh weight was 91.9%～ 97.6%. It was safety to tall fescue trufs.