小麦旗叶衰老过程不同数学模型拟合比较及衰老特征分析
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吕国锋,范金平,张伯桥,高德荣,王慧,刘业宇,吴素兰,程凯,王秀娥
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Comparison of different mathematical models describing flag leaf senescence process of wheat and characteristics of leaf senescence process
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Guo-Feng LYU,Jin-Ping FAN,Bo-Qiao ZHANG,De-Rong GAO,Hui WANG,Ye-Yu LIU,Su-Lan WU,Kai CHENG,Xiu-E WANG
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表5 不同延绿类型品种旗叶3个衰老阶段的参数
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Table 5 Parameters of three flag leaf senescence stages in different stay-green types of varieties
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类型
Type | 衰老起始期Initial senescence stage | 快速衰老期Rapid senescence stage | 衰老结束期Terminal senescence stage | | T1 (d) | P1 (%) | V1 (% d-1) | T2 (d) | P2 (%) | V2 (% d-1) | T3 (d) | P3 (%) | V3 (% d-1) | | 2011 | | | | | | | | | | | 延绿 SG | 28.9 a | -31.4 a | -1.1 a | 5.9 a | -60.3 a | -11.4 a | 1.7 a | -6.2 a | -4.0 a | | 中等延绿 MSG | 25.8 b | -30.8 a | -1.2 b | 4.5 ab | -59.1 a | -15.1 a | 1.3 ab | -6.1 a | -5.3 a | | 中等早衰 MNSG | 23.6 c | -30.8 a | -1.3 c | 4.2 b | -59.1 a | -14.8 a | 1.2 b | -6.1 a | -5.2 a | | 早衰 NSG | 21.9 d | -31.0 a | -1.4 d | 3.4 b | -59.6 a | -19.5 b | 1.0 b | -6.2 a | -6.9 b | | 2012 | | | | | | | | | | | 延绿 SG | 23.7 a | -30.6 a | -1.3 a | 7.1 ab | -58.8 a | -9.0 a | 2.1 ab | -6.0 a | -3.1 a | | 中等延绿 MSG | 21.3 b | -31.3 a | -1.5 b | 7.7 a | -60.1 a | -8.6 a | 2.2 a | -6.2 a | -3.0 a | | 中等早衰 MNSG | 19.7 c | -30.5 a | -1.6 b | 6.3 bc | -58.6 a | -10.2 a | 1.8 bc | -6.0 a | -3.6 a | | 早衰 NSG | 17.3 d | -30.0 a | -1.7 c | 4.4 c | -57.5 a | -13.6 b | 1.3 c | -5.9 a | -4.7 b |
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