室内毒力测定结果显示,甲基硫菌灵和咪鲜胺按1∶5比例混配,对小麦赤霉病菌的共毒系数达225.58,增效极明显。田间试验表明:42%甲硫.咪鲜可湿性粉剂对小麦赤霉病防效较好,适宜用量为60~80g/667m2,病指防效为79.59%~82.94%,小麦比对照增产17.34%~18.79%;对小麦生长安全,用药成本较低。 Indoor toxicity test results show that thiophanate methyl and prochloraz 1: 5 ratio of mixed, the co-toxicity coefficient of wheat scab pathogen reached 225.58, the synergistic effect is very obvious. Field experiments showed that: 42% methylthio imidazole wettable powder had good control effect on wheat scab, suitable dosage was 60 ~ 80g / 667m2, pathological control effect was 79.59% ~ 82.94%, wheat increased 17.34% ~ 18.79%; the growth of wheat is safe, the cost of medication is low.