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4 遮阴对盆栽豆科作物根茎性状和根瘤的影响(平均值±标准误差, n = 3)

Table 4 Effect of shading on roots, stem and root nodules of the legumes in the pot experiment (mean ± SE, n = 3)

种 Species	处理 Treatment	株高 Plant height (cm)	茎粗 Stem diameter (cm)	侧枝数 Branching quantity	地下部鲜质量 Fresh mass underground part (g∙pot^-1)	地上部鲜质量 Fresh mass overground part (g∙pot^-1)	根/冠比 Root-shoot ratio	每盆根瘤质量Mass of root nodule per pot (g)
绿豆 Vigna radiata	对照 CK	37.4 ± 1.8^a	0.62 ± 0.03^a	7 ± 1^a	22.7 ± 1.6^a	116.2 ± 9.1^a	0.195 ± 0.013^a	3.43 ± 0.28^a
绿豆 Vigna radiata	遮阴 Shading	39.6 ± 2.0^a	0.41 ± 0.04^b	4 ± 0^b	10.9 ± 1.0^b	82.1 ± 5.3^b	0.133 ± 0.009^b	0.39 ± 0.09^b
乌豇豆 Vigna cylindrica	对照 CK	45.7 ± 2.1^a	0.75 ± 0.06^a	8 ± 1^a	29.6 ± 1.1^a	144.8 ± 8.2^a	0.204 ± 0.017^a	2.76 ± 0.17^a
乌豇豆 Vigna cylindrica	遮阴 Shading	48.3 ± 2.6^a	0.48 ± 0.02^b	5 ± 0^b	14.8 ± 0.8^b	108.1 ± 4.7^b	0.137 ± 0.008^b	0.47 ± 0.06^b
大猪屎豆 Crotalaria assamica	对照 CK	67.7 ± 3.3^a	0.88 ± 0.05^a	19 ± 3^a	34.9 ± 1.3^a	173.7 ± 9.4^a	0.201 ± 0.015^a	1.94 ± 0.19^a
大猪屎豆 Crotalaria assamica	遮阴 Shading	41.3 ± 1.9^b	0.33 ± 0.03^b	5 ± 1^b	6.3 ± 0.7^b	52.0 ± 4.5^b	0.121 ± 0.007^b	0.25 ± 0.04^b
望江南 Senna occidentalis	对照 CK	63.5 ± 2.0^a	1.00 ± 0.08^a	15 ± 1^a	38.3 ± 1.4^a	192.7 ± 9.8^a	0.199 ± 0.012^a	2.39 ± 0.31^a
望江南 Senna occidentalis	遮阴 Shading	55.8 ± 1.4^b	0.51 ± 0.01^b	6 ± 1^b	8.4 ± 0.6^b	67.2 ± 5.6^b	0.125 ± 0.006^b	0.33 ± 0.10^b