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1.3%苦参碱AS对甘蓝桃蚜的田间防治效果
1.3%苦参碱AS对甘蓝桃蚜的田间防治效果
2013
Junxing Ding
zhangansheng
liufenghua
Qianying Zhuang
田间试验结果表明,1.3%苦参碱As对甘蓝桃蚜具有较好的防治效果,其666.7m^2用量40~32.5g的处理,药后7d的防效为94.10%-92.01%,是绿色蔬菜生产中防治桃蚜的较好药剂。
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