摘要
2 0 0 1年进行了桔梗直播田除草试验。结果表明 :乙草胺、都尔为优良的选择性苗前土壤处理除草剂 ,施用量分别为 2 .50L/hm2 和 2 .0 0L/hm2 ;施田补与对照(ck)差异不显著 ,施用量为 1 .50L/hm2 。三者对桔梗安全 。
Weeding test in sowing Platycodon grandiflorum A.DC. field was performed in 2001. The results showed: Acetochlor and Metolachlor were selective excellent herbicides on the soil before seedling emerge.The dosage was 2.50L/hm 2 and 2.00L/hm 2,respectively.There was no notable difference between Penoxaiin and CK and the dosage of Penoxaiin was 1.50L/hm 2.These three heribicides in this test were safe and no harmful to the Platycodon grandiflorum A.DC.
出处
《特产研究》
2002年第2期31-32,共2页
Special Wild Economic Animal and Plant Research
关键词
除草剂
桔梗
直播田
乙草胺
都尔
药效试验
Platycodon grandiflorlum A.DC.
Sowing field
Acetochlor
Metolachlor