41%异丙草-莠悬乳剂防除狼尾草田杂草效果初报

A Study on the Effect of 41% Yibingcao-you to Exterminate Weeds in Pennisetum Field

采用田间小区试验方法,研究了41%异丙草-莠悬乳剂对夏播狼尾草田杂草的防除效果。结果表明,41%异丙草-莠悬乳剂可有效防除狼尾草田的马唐、马齿苋和反枝苋等杂草,但对狼尾草的生长有一定不利影响。在考虑降低成本和保证饲草安全前提下,于狼尾草播种出苗后5d,用41%异丙草-莠悬乳剂2.250L/hm2,兑水稀释后均匀喷雾于地表面,可收到较好的除草效果。

Adopting small plot experiment in the field, an efficacy of killing miscellaneous weeds by applying 41% Yibingcao-you in summer Pennisetum field were studied. The results showed that 41% Yibingcao-you were very effective to prevent and exterminate misecellaneous weeds in Pennisetum Field, but a little disadvantage to the growth of Pennisetum. In considering the ration of both the cost decreased and the grass safety, it is the best way to prevent and exterminate miscellaneous weeds that spraying 41% Yibingcao-you of 2.250L/hm^2 diluted with water evenly over the field in 6 days after grass seeds sowed.