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Epidemic Prediction of Watermelon Virus Disease |
Li Shaowei; Li Guoheng; Wu Zhanqing et al. |
Kaifeng Institute of Agricultural and Forestry Sciences; Henan 475141 |
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Abstract According to the data collected from 1988 to 1997,watermelon virus disease occurred in Kaifeng,Henan province of China was related to the total quantity of aphides,total precipitation in seedling stage (May and June). A linear model is established including the above two factors.
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Received: 01 January 1900
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