四种豆科作物的光合生理和生长发育对弱光的响应

邹长明, 王允青, 刘英, 张晓红, 唐杉

Responses of photosynthesis and growth to weak light regime in four legume species

ZOU Chang-Ming,WANG Yun-Qing,LIU Ying,ZHANG Xiao-Hong,TANG Shan

表2 盆栽豆科作物的气体交换参数(平均值±标准误差, n = 3)

Table 2 Gas exchange parameters of the legumes in the pot experiment (mean ± SE, n = 3)

种 Species	处理 Treatment	净光合速率 P_n (μmol CO₂∙m^-2∙s^-1)	气孔导度 G_s (mol H₂O∙m^-2∙s^-1)	胞间CO₂浓度 C_i (μmol CO₂ ∙mol^-1)	蒸腾速率 T_r (µmol H₂O∙m^-2∙s^-1)	水分利用效率 WUE (mol∙mol^-1)
绿豆 Vigna radiata	对照 CK	17.55 ± 0.56^a	0.221 ± 0.017^a	222.9 ± 5.7^b	3.98 ± 0.18^a	4.41 ± 0.18^a
绿豆 Vigna radiata	遮阴 Shading	10.12 ± 0.33^b	0.138 ± 0.011^b	244.4 ± 5.1^a	2.73 ± 0.12^b	3.71 ± 0.14^b
乌豇豆 Vigna cylindrica	对照 CK	19.16 ± 0.25^a	0.257 ± 0.015^a	194.0 ± 4.2^b	4.45 ± 0.08^a	4.31 ± 0.21^a
乌豇豆 Vigna cylindrica	遮阴 Shading	14.11 ± 0.33^b	0.203 ± 0.005^b	224.6 ± 2.1^a	3.52 ± 0.05^b	4.01 ± 0.20^a
大猪屎豆 Crotalaria assamica	对照 CK	20.26 ± 0.70^a	0.328 ± 0.023^a	188.7 ± 4.8^b	4.66 ± 0.17^a	4.35 ± 0.36^a
大猪屎豆 Crotalaria assamica	遮阴 Shading	10.24 ± 0.34^b	0.205 ± 0.018^b	222.6 ± 9.3^a	3.74 ± 0.19^b	2.74 ± 0.29^b
望江南 Senna occidentalis	对照 CK	17.72 ± 0.39^a	0.228 ± 0.012^a	201.9 ± 7.4^b	4.24 ± 0.21^a	4.18 ± 0.22^a
望江南 Senna occidentalis	遮阴 Shading	10.85 ± 0.43^b	0.158 ± 0.006^b	234.1 ± 3.9^a	3.15 ± 0.14^b	3.44 ± 0.13^b