壬菌铜30%微乳剂防治葡萄霜霉病田间药效试验

The Field Effect of 30% Cuppric Nonyl Phenolsulfonate ME Against Grape Downy Mildew

试验表明壬菌铜30%微乳剂对葡萄霜霉病有很好的防治效果,使用浓度为200、300mg/kg时,对葡萄霜霉病的防治效果分别为79.9%、85.3%,与氢氧化铜46%水分散粒剂230mg/kg、烯酰吗啉40%悬浮剂250mg/kg处理的防效相当,且耐雨水冲刷,持效期长,价格低廉,值得推广使用。

The results showed that effect of 30% cuppric nonyl phenolsulfonate ME against grape downy mildew was obvious. When it was at a concentration of 200, 300mg/kg, the control effects were 79.9%, 85.3%. The control efficiency was equal to 46% copper hydroxide WG at a concentration of 230mg/kg and 40% dimethomorph SC at a concentration of 250mg/kg. 30% cuppric nonyl phenolsulfonate ME was not be washed out easily by rains, and cheap in the price, Deserving popularization in agricultural production.