摘要
20%龙卷风水剂防除猕猴桃园杂草药效试验结果表明：在杂草株高10~15 cm时每667 m2喷施20%龙卷风水剂200 ml,施药后7 d,对杂草防效达到89.7%;施施后20 d,对杂草株数防效达到93.9%,杂草鲜重防效达到96.1%,其药效显著优于每667 m2喷施150 ml处理,与20%克无踪水剂200 ml的药效相当,且药效能持续20~25 d,对苗木安全,可大面积应用推广。
20% ＂Long Juan Feng＂ AS were used to control the weed in kiwi fruit orchard.The results indicated that the control effect by 200 ml 20%＂Long Juan Feng＂ AS in 667 m2 for controlling the weeds at the height of 10~15 cm reached 89.7% after 7 days and then up to 93.9% after 20 days,with control effect for resh weight was 96.1%.The effect was better than that of dosage of 150 ml and the same that of 200 ml 20%＂Ke Wu Zong＂ AS in 667 m2.The effect could maintain 20~25 days,and couldn＇t affect the growth of seedling.
出处
《陕西林业科技》
2011年第1期5-7,共3页
Shaanxi Forest Science and Technology
关键词
20%龙卷风水剂
猕猴桃园
杂草
药效
20%＂Long Juan Feng＂ AS
kiwi fruit garden
weed
control effect
