摘要
开展不同浓度的75%百菌清·锰锌水分散粒剂对番茄晚疫病的防治效果试验,结果表明,1500g、1755g、1995g·hm-2药剂用量对叶部发病的防治效果分别为74.8%,80.20%,91.95%;对照组75%百菌清水分散粒剂1800g·hm-2、80%代森锰锌可湿性粉剂2700g·hm-22个处理的叶部发病的防效分别为64.10%、40.16%。说明供试药剂的防治效果随着用量的增加而增加,且显著高于对照药剂。
The field experiment showed that the control effects of different dosage of 75% Chlorothalonil·mancozeb(WDG)on tomato late blight. The results showed that the control efficiency of 1500 g·hm-2,1755 g·hm-2,1995 g·hm-2 of 75% Chlorothalonil·mancozeb(WDG)were 74.8%,80.20%,91.95% to leaves. They are better than the controlefficiency of 75% Chlorothalonil(WDG)and 80% Mancozeb wettable powder(WP)were 64.10%,40.16% toleaves. The trial reagents have better control effects while the dosage increased,and obviously better than controla gents.
引文
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