| 小麦赤霉病流行因子的主成分分析及预测模型探讨 |
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| 引用本文： | 周崇和.小麦赤霉病流行因子的主成分分析及预测模型探讨[J].植物保护学报,1990,17(4):317-321. |
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| 作者姓名： | 周崇和 |
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| 作者单位： | 浙江省瑞安市病虫观测站 |
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| 摘 要： |
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| 关 键 词： | 小麦 赤霉病 流行因子 主成分分析 |
PRINCIPAL COMPONENTS IN EPIDEMIC FACTORS OF WHEAT SCAB AND A FORECASTING MODEL |
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| Zhou Chonghe.PRINCIPAL COMPONENTS IN EPIDEMIC FACTORS OF WHEAT SCAB AND A FORECASTING MODEL[J].Acta Phytophylacica Sinica,1990,17(4):317-321. |
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| Authors: | Zhou Chonghe |
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| Institution: | Ruian Diseases & Pests Observation Station, Zhejiang |
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| Abstract: | Five marked relative factors were chosen irom nineteen factors of the foreperiod weather,the fungus sources and 17 years''data of wheat scab.After analysis of principal components four major factors were selected. |
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| Keywords: | wheat scab epidemic factor principal component analysis fuzzy comprehensive judgement |
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