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当前位置: 首页 > 文章 > 应用多元回归模型预测红茄梨单叶面积、鲜重和干重的方法 中国园艺文摘 2010,26 (11) 14-16
Position: Home > Articles > Estimation the Individual Leaf Area,Fresh Weight,and Dry Weight of Starkrimson Pears with Multiple Regression Models Chinese Horticulture Abstracts 2010,26 (11) 14-16

应用多元回归模型预测红茄梨单叶面积、鲜重和干重的方法

作  者：
王中华;付蓉;杨青松;李晓刚;蔺经;李慧;盛宝龙
单  位：
江苏省农业科学院园艺研究所
关键词：
红茄梨;叶面积;鲜重;干重;方法
摘  要：
以红茄梨为试材,应用多元回归模型探讨单叶长度(L)、宽度(W)、SPAD值(S)与单叶面积(LA)、单叶鲜重(FW)和单叶干重(DW)之间的关系,结果分析得到3个作用显著的回归方程:Y_(LA)=-10.84102+6.52299X_W+0.55063W_(LW)-0.62566X_W~2(R~2=0.9149);Y_(FW)=0.40273-0.16328X_L+0.06057X_(LW)+0.00311X_S-0.03973X_W~2(R~2=0.9439);Y_(DW)=0.15305-0.07116X_L+0.02439X_(LW)+0.00199X_S-0.01582X_W~2(R~2=0.9126)。模型验证结果显示,3个模型预测值均与实测值呈现显著线性相关关系。
译  名：
Estimation the Individual Leaf Area,Fresh Weight,and Dry Weight of Starkrimson Pears with Multiple Regression Models
作  者：
WANG Zhong-hua FU Rong YANG Qing-song LI Xiao-gang LIN Jing LI Hui SHENG Bao-long
关键词：
Starkrimson pears;;leaf area;;fresh weight;;dry weight;;method
摘  要：
The relationship between leaf length,leaf width,leaf area,SPAD values,fresh weight and dry weight were studied in this paper by using the leaves of Starkrimson pears.Three multiple regression equations which estimating the leaf area,fresh weight and dry weight respectively were established as:Y_(LA)=-10.84102 +6.52299X_w+0.55063X_(LW)-0.62566X_(w~2)(R~2=0.9149);Y_(FW)=0.40273- 0.16328X_L+0.06057X_(LW)+0.00311X_S-0.03973X_(w~2)(R~2=0.9439),Y_(DW)=0.15305-0.07116X_L+0.02439X_(LW)+0.00199X_S-0.01582X_(w~2)(R~2= 0.9126);where Y_(LA) is the leaf area,Y_(FW) is the leaf fresh weight,Y_(DW),is the leaf dry weight,X_L is the leaf length,X_W is the leaf width, X_s is the S_(PAD) value,X_(LW)=X_L-X_W,and X_(w~2)=X_w-X_w.For validation of the models,estimated values for individual leaf area,fresh weight, and dry weight showed strong agreement with the measured values,respectively.

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