黄绿叶突变体冀麦5265yg的光合生理特性分析

郑伟,师筝,龙美,廖允成

Photosynthetic and Physiological Characteristics Analysis of Yellow- Green Leaf Mutant in Wheat of Jimai5265yg

ZHENG Wei,SHI Zheng,LONG Mei,LIAO YunCheng

表3 不同生育时期冀麦5265和冀麦5265yg旗叶的光合特性

Table 3 The main photosynthetic parameters in Jimai5265 and Jimai5265yg at different development stage

生育时期 Growth stage	材料 Material	净光合速率 Pn (µmol·m^-2·s^-1)	气孔导度 Gs (mmol·m^-2·s^-1)	胞间CO₂浓度 Ci (µmolmol^-1)	蒸腾速率 Tr (mmol·m^-2·s^-1)
拔节期 Jointing stage	冀麦5265 Jimai5265	10.67±0.99	0.13±0.02	245.07±43.51	3.65±0.68
拔节期 Jointing stage	冀麦5265yg Jimai5265yg	13.82±1.81*	0.14±0.06	249.93±38.02	4.00±1.18
开花期 Flowering stage	冀麦5265 Jimai5265	20.95±1.37	0.38±0.06	286.92±17.33	7.59±0.62
开花期 Flowering stage	冀麦5265yg Jimai5265yg	25.63±1.02*	0.66±0.13*	306.59±14.86*	8.54±0.43*
灌浆期 Filling stage	冀麦5265 Jimai5265	15.89±0.77	0.27±0.05	98.25±12.67	6.12±0.69
灌浆期 Filling stage	冀麦5265yg Jimai5265yg	16.93±1.05*	0.32±0.05	109.40±6.88	7.34±0.92*