C4作物电子传递速率对CO2响应模型的构建及应用

叶子飘,段世华,安婷,康华靖

Construction of CO2-response model of electron transport rate in C4 crop and its application

YE Zi-Piao,DUAN Shi-Hua,AN Ting,KANG Hua-Jing

表3 2 000 μmol·m-2·s-1光强下玉米和千穗谷光合作用相关参数及电子流分配比较

Table 3 Comparison of photosynthetic parameters and allocation of electron flow in maize and grain amaranth at 2 000 μmol·m-2·s-1 light intensity

光合作用参数 Photosynthetic parameter (mmol·m-2·s-1) [CO2] = 380 mmol·mol-1 [CO2] = 0 mmol·mol-1 玉米 Maize 千穗谷 Grain amaranth 玉米 Maize 千穗谷Grain amaranth Ac-max 59.12 69.97 - - Rn 2.86 1.32 3.27 3.17 Rd 1.43 0.66 0.24 0.28 Re 1.43 0.66 3.02 2.89 Jmax 262.41 393.07 - - J0 - - 22.22 27.43 Jc 242.20 282.52 0.96 1.12 Ja 20.21 110.55 21.26 26.31 J°c 247.92 285.16 13.08 12.68 J°a 14.49 107.91 9.14 14.75