为比较72%烯酰·锰锌可湿性粉剂、80%代森锰锌可湿性粉剂和80%烯酰吗啉水分散粒剂3种杀菌剂对陆地黄瓜霜霉病的防治效果,在黄瓜霜霉病发病初期施药,施药后5d、7d、10d分别调查防治效果。结果表明72%烯酰·锰锌可湿性粉剂对黄瓜霜霉病的防治效果达到75.76%以上,对植株生长无不良影响,可进行田间示范推广。 In order to compare the control effects of three fungicides, including dimethoylmono manganese zinc WP, 80% Mancozeb WP and 80% dimethomyl water dispersible granules, on cucumber downy mildew on the ground, Early onset of fungal disease application, 5d, 7d, 10d after spraying were investigated the control effect. The results showed that the control effect of 72% enovalenous manganese-zinc WP on cucumber downy mildew was over 75.76%, which had no adverse effect on plant growth and could be used for field demonstration and popularization.