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1 盆栽豆科作物P_n-PAR响应曲线的特征参数(平均值±标准误差, n = 3)

Table 1 Characteristic values of P_n-PAR fit lines for the legumes in the pot experiment (mean ± SE, n = 3)

种 Species	处理 Treatment	最大净光合速率 P_nmax (μmol CO₂∙m^-2∙s^-1)	光饱和点 LSP (μmol∙m^-2∙s^-1)	光补偿点 LCP (μmol∙m^-2∙s^-1)	表观量子效率 AQY (mol∙mol^-1)	暗呼吸速率 R_d (μmol CO₂∙m^-2∙s^-1)
绿豆 Vigna radiata	对照 CK	21.09 ± 0.51^a	1 041 ± 30^a	42.6 ± 3.1^a	0.025 1 ± 0.012^b	1.069 ± 0.078^a
绿豆 Vigna radiata	遮阴 Shading	13.63 ± 0.84^b	806 ± 48^b	30.9 ± 2.9^b	0.031 4 ± 0.011^a	0.969 ± 0.073^a
乌豇豆 Vigna cylindrica	对照 CK	25.52 ± 0.33^a	1 130 ± 24^a	38.2 ± 1.7^a	0.031 3 ± 0.015^b	1.196 ± 0.052^a
乌豇豆 Vigna cylindrica	遮阴 Shading	19.52 ± 0.45^b	958 ± 37^b	23.7 ± 1.3^b	0.038 4 ± 0.009^a	0.911 ± 0.047^b
大猪屎豆 Crotalaria assamica	对照 CK	24.36 ± 0.41^a	1 116 ± 41^a	49.2 ± 3.2^a	0.026 5 ± 0.013^a	1.304 ± 0.065^a
大猪屎豆 Crotalaria assamica	遮阴 Shading	11.46 ± 0.93^b	761 ± 66^b	43.8 ± 3.4^a	0.028 2 ± 0.015^a	1.236 ± 0.081^a
望江南 Senna occidentalis	对照 CK	21.87 ± 0.42^a	1 113 ± 39^a	46.9 ± 0.5^a	0.027 1 ± 0.005^a	1.272 ± 0.069^a
望江南 Senna occidentalis	遮阴 Shading	11.75 ± 0.59^b	767 ± 74^b	40.8 ± 1.8^b	0.028 4 ± 0.023^a	1.158 ± 0.111^a