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
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宗毓铮,张函青,李萍,张东升,林文,薛建福,高志强,郝兴宇
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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
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ZONG YuZheng,ZHANG HanQing,LI Ping,ZHANG DongSheng,LIN Wen,XUE JianFu,GAO ZhiQiang,HAO XingYu
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表8 CO2浓度和气温升高对小麦形态指标的影响
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Table 8 Effects of elevated CO2 and increased temperature on the morphological index of wheat
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年份
Year | 处理
Treatment | 株高
Plant height (cm) | 穗长
Spike length (cm) | 茎粗
Stem-diameter (mm) | 节数
Internode number | | 2017-2018 | CK | 63.34±0.90ab | 7.21±0.16a | 3.419±0.072a | 4.8±0.1a | | EC | 65.76±2.30a | 7.64±0.26a | 3.458±0.066a | 4.9±0.0a | | ET | 60.41±0.29b | 7.3±0.09a | 3.418±0.059a | 4.8±0.1a | | ECT | 62.83±1.55ab | 7.52±0.13a | 3.574±0.026a | 4.7±0.1a | | 2019-2020 | CK | 66.19±2.32bc | 9.81±0.20a | 3.468±0.166a | 5.9±0.1a | | EC | 71.26±1.16a | 9.08±0.24b | 3.520±0.102a | 5.9±0.1a | | ET | 65.03±0.91c | 8.49±0.20bc | 3.096±0.114b | 5.1±0.1b | | ECT | 70.53±1.02ab | 8.25±0.18c | 3.058±0.077b | 5.1±0.1b | | P-value | Pyear | 0.00 | 0.00 | 0.01 | 0.001 | | PT | 0.07 | 0.00 | 0.01 | 0.01 | | PCO2 | 0.00 | 0.55 | 0.42 | 0.00 | | PT×CO2 | 0.91 | 0.61 | 0.91 | 0.01 |
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