7种农药对芝麻茎点枯病的防治效果
SERVES OF AGRICULTURAL TECHNOLOGY（2009）
Abstract
对7种农药防治芝麻茎点枯病的药效进行了对比试验.结果表明:在播种前用50%多菌灵可湿性粉剂2 g/m2+菌虫三绝1.2 g/m2进行土壤处理,苗期、始花期和盛花期用56%铜大师可湿性粉剂1 000倍液分别进行喷雾对防治芝麻茎点枯病的效果最好,防效为64.94%.而25%使百克乳油1 000倍液对芝麻茎点枯病的防治效果虽较好,但对幼苗生长有一定影响,苗期应慎重使用.
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