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模糊隶属度法在小麦赤霉病预测预报中的应用 被引量:7

APPLICATION OF FUZZY FUNCTION ON FORECASTING GIBBERELLA ZEAE OF THE WHEAT
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摘要 本文运用模糊隶属度法对小麦赤霉病预测预报技术作了新的尝试。经对彭山县12年历史资料拟合,符合率高达91.67%,对眉山县9年资料进行验证,符合率仍为88.89%,运用这一技术对彭山县1987和1988年小麦赤霉病发生程度进行实际验证,预报结果准确。 A new method applied subordinative Fuzzy function to forecast thewheat disease caused Gibberella zeae was obtained.Fitting tests of infor-mation in the past 12 years in Pengshan indicated that the averageaccuracy was about 91.67 percent.Also the precision on average reachedabout 88.89 percent when the fitting was tested by using data ofdifferent regions of Meishan area in the past 9 years.The method wasapplied to forecast epidemic trend of the disease in Pengshan county in1987 and 1988 and good results were obtained.
出处 《植物保护学报》 CAS CSCD 北大核心 1990年第2期97-100,共4页 Journal of Plant Protection
关键词 小麦赤霉病 模糊函数 预测预报 Fuzzy function——Gibberella zeae——forecasting
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