| 淮北地区冬小麦白粉病发生程度的预测方法 |
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| 引用本文： | 祁宦.淮北地区冬小麦白粉病发生程度的预测方法[J].气象,1994,20(2):40-43. |
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| 作者姓名： | 祁宦 |
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| 作者单位： | 安徽宿县行署气象局 |
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| 摘 要： | 分析表明，冬小麦白粉病发生程度的轻重，取决于法地小麦孕穗期前后的光照，降水量，雨日数和日平均相对湿度等气候因素。利用多因子综合相关法，通过计算条件频率，得出淮北地区冬小麦白粉病发病程度的预报方程，其历史拟合率达９１．７％。
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| 关 键 词： | 冬小麦 白粉病 发生程度 预测 |
Forecasting of Powdery mildew of Winter Wheat in the Huaibei Area |
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| Qi Huan.Forecasting of Powdery mildew of Winter Wheat in the Huaibei Area[J].Meteorological Monthly,1994,20(2):40-43. |
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| Authors: | Qi Huan |
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| Abstract: | Analysis shows the seriousness of the powdery mildew of winter wheat in the Huaibei area,Anhui Province, depends on some climatic factors, such as sunshine-hour, precipitation, rainy day,and daily mean relative humidity,etc., A equation for forecasting how serious powdery mildew of winter wheat is obtained with multiple correlation analysis and its historical fitting probability is 91.7%. |
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| Keywords: | powdery mildew multiple correlation analysis condional probability |
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