大气CO2与温度升高对北方冬小麦旗叶光合特性、碳氮代谢及产量的影响

宗毓铮,张函青,李萍,张东升,林文,薛建福,高志强,郝兴宇

Effects of Elevated Atmospheric CO2 Concentration and Temperature on Photosynthetic Characteristics, Carbon and Nitrogen Metabolism in Flag Leaves and Yield of Winter Wheat in North China

ZONG YuZheng,ZHANG HanQing,LI Ping,ZHANG DongSheng,LIN Wen,XUE JianFu,GAO ZhiQiang,HAO XingYu

表6 CO2浓度和气温升高对小麦灌浆期叶片细胞色素的影响

Table 6 Effects of elevated CO2 and increased temperature on the cytochrome at wheat at filling stage

处理 Treatment 叶绿素a Chl a (mg·g-1 FW) 叶绿素b Chl b (mg·g-1 FW) 叶绿素a+b Chl a and Chl b (mg·g-1 FW) 类胡萝卜素 Chl x∙c (mg·g-1 FW) CK 2.44±0.14b 0.27±0.04b 2.71±0.18b 8.94±1.46a EC 2.51±0.27bc 0.34±0.11b 2.85±0.38b 7.43±1.42a ET 3.01±0.11a 0.63±0.00a 3.63±0.06a 4.78±2.75b ECT 2.20±0.03c 0.32±0.04b 2.42±0.21c 7.89±0.71a P-value PT 0.28 0.00 0.08 0.02 PCO2 0.01 0.02 0.01 0.17 PT×CO2 0.00 0.00 0.00 0.05