摘要
采用菜王星药剂防除春油菜地阔叶杂草,结果表明:苗期使用30.0、37.5、45.0、52.5aig/hm^2,总草鲜重防效分别为46.7%、57.l%、68.2%和77.0%.其中对薄蒴草的防效最高,为96.9%,对巨荬菜的防效最低,为64.5%.该药品对油菜安全、高效,增产效果明显.
Muster(Cai - Wang- Xing)was applicated in spring rape field,in Datong county, Qing-hai Province during 1995-1996.The results showed that it was effective for controlling hroadleaf weeds, such as potentilla chinensis, Lepyrodiclis holosteoides, elsho Itzia densa, equistum arvense, microula sikki-mensis and sonchus brachyotus.The control effects was 46.7%-77.0% total weeds.The yield of treated rape increased by 8.6%-14.1% .
出处
《青海大学学报(自然科学版)》
1998年第6期23-25,共3页
Journal of Qinghai University(Natural Science)