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利用气候因素预测水稻白叶枯病流行程度研究
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摘要:
选取与双晚白顺枯病流行程度关系密切的4个气候因子作为预测因子,应用加权理迎头 表分析法,建立了双晚白叶枯病中期预报数学模型,回报历史符合率达100%,对1992-1997年6年预测完全准确。
关键词:  水稻 白叶枯病 气体因素 预测 加权列联表分析
DOI:
基金项目:
The Forecast for Epidemic of Rice Bacterial Leaf Blight Based on Some Meteorological Factors
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Abstract:
By means of method of weight contingency table,the four meteorological factors were selected,which have close relation with epidemic of bacterial leaf blight of late rice in a doubling-cropping,the mid-term forecast model was set up for bacterial leaf blight of late rice in double-cropping paddy fields.The percentage of according with historical data was 100%.The results of forecasting were accurate in six years from 1992 to 1996.
Key words:  Rice bacterial leaf blight Meteorological factor Forecast Contingency table

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