| 大豆灰斑病潜育期的预测模型 |
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| 引用本文： | 刘学敏,张明厚.大豆灰斑病潜育期的预测模型[J].植物病理学报,1995,25(1):29-34. |
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| 作者姓名： | 刘学敏 张明厚 |
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| 作者单位： | 东北农学院植保系, 哈尔滨 150030 |
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| 摘 要： | 通过人工接种试验证明,在品种和小种组合一定时,大豆灰斑病的潜育期主要是由温度决定的,用有效积温可以预测潜育期的动态变化。本文供试3个品种的日显证率与有效积温的关系可以用Gompertz模型,并获得了3个品种的显症率预测式。
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| 关 键 词： | 大豆灰斑病 温度 潜育期 预测模型 |
THE FORECASTING MODLES FOR THE INCUBATION PERIOD OF FROGEYE LEAF SPOT OF SOYBEAN |
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| Liu Xuemin Zhang Minghou Xie Zhongqiu.THE FORECASTING MODLES FOR THE INCUBATION PERIOD OF FROGEYE LEAF SPOT OF SOYBEAN[J].Acta Phytopathologica Sinica,1995,25(1):29-34. |
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| Authors: | Liu Xuemin Zhang Minghou Xie Zhongqiu |
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| Institution: | Department of Plant Protection, Northeast Agriculture College, Harbin 150030 |
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| Abstract: | According to the inoculative experiments in green house,the results showed that the latent period of soybean frogeye leaf spot was determined by the effective accumulative temperature for certain cultivars. The dynamic variation of daily rate of lesion appearance can be forecasted by the effective accumulative temperature. The paper showed that the relationship between the accumulative daily rate of lesion appearance and effective accumulative temperature of 3 cultivars might be described Gompertz model. The model of 3 cultivars are:
Hongfeng 3 pp = 104. 2276exp-29. 9088exp( -0. 06625TT)] r = 0. 9094 Hefeng 25 pp = 106. 1627exp-33. 6979exp(-0. 06329TT)] r = 0. 9659 Suinong 8 pp = 107. 2370exp-24. 0048exp(-0. 05851TT)] r = 0. 9439 respectively, in which pp is accumulative rate of symptom appearance ,TT is effective accumulative temperature. |
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| Keywords: | Frogeye leaf spot of Soybean Temperature Incubation period Forecasting modle |
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