据甘肃省临泽县平川公社五里墩大队省、专、县防蚜工作组报导,为了寻找比3911保毒期更长,对人畜毒性很低的内吸防蚜药剂,他们在防蚜基点(五里墩大队)进行了新农药灭蚜松防治蚜虫的试验。试验方法分拌种和叶面喷洒两种:拌种处理,按种子重量0.2%、0.5%、1%等量剂拌青稞种子,以不拌种作对照。出苗后每个处理区内用纱 According to the provincial, prefectural and county anti-aphid working groups of the Beringuang Commune of Pingchuan Commune, Linze County, Gansu Province, in order to search for aphid-killing agents with longer toxicity protection period and lower toxicity to humans and animals, (Wuli pier brigade) conducted a new pesticide aphids off aphids test. Test methods were divided into two kinds of seed dressing and foliar spray: seed dressing treatment, according to seed weight 0.2%, 0.5%, 1% After the emergence of each treatment area with yarn