1.5%甲嘧磺隆颗粒剂对苗圃杂草的防除效果

Efficacy of 1.5% mexolamine Granules against weeds in nursery

1.5%甲嘧磺隆颗粒剂对于缺乏水源的林区苗圃,通过撒施毒土法防除杂草,具有省时、省工、省水,便于携带,易推广应用等优点。为明确1.5%甲嘧磺隆颗粒剂对苗圃杂草的防除效果和安全性,于杂草2~4叶期进行土壤处理试验,结果表明：在所设计的处理中,株防效随剂量的增加而增加,且对试验地大部分禾本科杂草、阔叶杂草的防效显著。

1.5% mexolamine Granules is used in forest nursery of lacking water, it is saving time, labor ,water, and easy to carry through applying pesticide-clay mixture to control weeds. The efficacy and Pinus sylvestnis var.mongolica selectivity of 1.5 % mexolamine GR was determined experimentally in nursery field after its application as a soil treatment ant the 2 - 4 leaf growth stage of weeds. The results showed that control effect of strain increases with the dose increased and it is significant in control effect of weeds between the test most gramineous weeds and broadleaf weeds.