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

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

Comparison of different mathematical models describing flag leaf senescence process of wheat and characteristics of leaf senescence process

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

表2 不同延绿类型品种旗叶的%GLA衰减的过程

Table 2 Decline process of %GLA of four types of variety tested

类型 Type 品种数 Variety number DAA10 DAA15 DAA20 DAA25 DAA30 2011 2012 2011 2012 2011 2012 2011 2012 2011 2012 2011 2012 延绿 SG 10 22 99.2 a 96.6 a 98.7 a 91.7 a 95.6 a 82.3 a 89.0 a 56.5 a 53.0 a 11.4 a 中等延绿 MSG 21 32 98.0 ab 96.3 a 95.7 b 90.0 a 91.5 ab 75.1 b 74.5 b 37.8 b 9.8 b 3.7 b 中等早衰 MNSG 28 40 97.5 b 94.6 b 95.0 b 85.8 b 89.7 b 64.4 c 45.9 c 13.2 c 0.8 c 0.7 c 早衰 NSG 32 11 98.3 ab 92.7 c 95.2 b 81.5 c 85.6 c 26.9 d 11.6 d 0.5 d 0 c 0 c