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温室标准切花菊发育模拟与收获期预测模型研究 被引量:28

A Simulation Model for Predicting the Development Stage and Harvesting Date of Standard Cut Chrysanthemum in Greenhouse
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摘要 【目的】建立一个可以预测温室标准切花菊现蕾和收获期的模拟模型,为温室切花菊温光调控提供决策支持。【方法】根据菊花(Chrysanthe mummorifolium Ramat.)发育对光温反应的特性,提出了生理辐热积(physiological product of thermal effectiveness and PAR,PTEP)的概念,通过不同扦插期和不同品种的试验,建立了以生理辐热积(PTEP)为尺度的温室标准切花菊发育模型,并用独立的试验数据对模型进行了检验。【结果】模型对从扦插到定植、短日处理、现蕾和收获期的模拟预测值与实测值的符合度较好,预测值与实测值间1:1线的回归估计标准误差RMSE分别为2.3、2.9、1.2和3.2d,预测精度明显高于以有效积温为尺度的发育模型(RMSE分别为3.0、12.5、12.5和15.6d)。【结论】本研究建立的模型能较准确地预测标准切花菊各个发育阶段出现的时间与收获期,可以为中国温室标准切花菊周年生产的光温调控提供理论依据和决策支持。 【Objective】In order to optimize the climate control for standard cut chrysanthemum production in greenhouse, a simulation model for predicting standard, cut chrysanthemum development and harvesting date was developed. 【Method】Based on the effects of photo-thermal conditions on chrysanthemum development, the concept of physiological product of thermal effectiveness and PAR (PTEP) and its calculation method were proposed and used to predict cut chrysanthemum development stages. Experiments with different vari...
出处 《中国农业科学》 CAS CSCD 北大核心 2007年第6期1229-1235,共7页 Scientia Agricultura Sinica
基金 国家"十一五""863"计划项目(2006AA10Z218) 上海市科技兴农四新项目(沪农科推字2003第1-2-1号)
关键词 菊花 生理辐热积 发育 模拟 收获期 Chrysanthemum morifolium Physiological product of thermal effectiveness and PAR Development Simulation Harvest date
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参考文献9

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