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For the prevention and control of tomato late blight?       受害面积:

Leaves and fruit in order to re-victimization. Infected leaves or leaf margin from the tip to start the disease, the early dark green plastic lesion水浸状not expanded to brown. Humidity at the surface of disease Leucomax mycophenolate Department, in the dorsal junction of the Director of the Department of Disease Kin mycophenolate white; lesion was dark brown stalks like corruption, causing wilting plants; fruit disease, the early lesion was shaped dark green oil-immersed, after the change into a dark brown, slightly sunken, the edge of clear, cloud irregular soft fruit generally unchanged, humidity mycophenolate olgensis also rapidly decomposed.

提问者:中国蔬菜 - 普通会员 -

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  • 请点击按钮进行评价: 100.00%      0.00%      回答者: 贾凯 - 普通会员 2009-05-05