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5 遮阴对田间豆科作物叶部性状和产量的影响(平均值±标准误差, n = 3)

Table 5 Effect of shading on leaves and yields of the legumes in the field experiment (mean ± SE, n = 3)

种 Species	处理 Treatment	单株叶片数 Leaves quantity	叶片厚度 Leaf thickness (mm)	单片叶面积 Leaf area (cm²)	叶面积指数 Leaf area index	鲜草产量 Fresh-grass yield (kg∙hm^-2)	干物质产量 Dry matter yield (kg∙hm^-2)	干物质积累效率 Efficiency of dry matter accumulation (kg∙hm^-2·d^-1)
绿豆 Vigna radiata	对照 CK	67 ± 5^a	0.34 ± 0.03^a	58.3 ± 3.3^a	3.91 ± 0.22^a	12 070 ± 483^a	2 076 ± 83^a	49.4 ± 2.2^a
绿豆 Vigna radiata	遮阴 Shading	41 ± 4^b	0.26 ± 0.01^b	29.7 ± 1.7^b	1.22 ± 0.11^b	8 503 ± 344^b	1 386 ± 56^b	35.5 ± 1.4^b
乌豇豆 Vigna cylindrica	对照 CK	91 ± 6^a	0.29 ± 0.02^a	51.2 ± 2.9^a	4.66 ± 0.26^a	15 411 ± 614^a	2 435 ± 97^a	60.9 ± 2.7^a
乌豇豆 Vigna cylindrica	遮阴 Shading	51 ± 2^b	0.21 ± 0.01^b	39.4 ± 1.4^b	2.01 ± 0.13^b	11 562 ± 451^b	1 769 ± 69^b	44.2 ± 2.0^b
大猪屎豆 Crotalaria assamica	对照 CK	89 ± 6^a	0.33 ± 0.02^a	36.0 ± 1.9^a	3.20 ± 0.18^a	18 135 ± 785^a	2 956 ± 128^a	46.2 ± 3.8^a
大猪屎豆 Crotalaria assamica	遮阴 Shading	39 ± 3^b	0.16 ± 0.01^b	12.9 ± 1.0^b	0.50 ± 0.10^b	5 487 ± 308^b	856 ± 48^b	13.4 ± 1.2^b
望江南 Senna occidentalis	对照 CK	168 ± 9^a	0.17 ± 0.01^a	23.6 ± 1.6^a	3.96 ± 0.19^a	19 379 ± 706^a	4 089 ± 149^a	54.5 ± 3.8^a
望江南 Senna occidentalis	遮阴 Shading	82 ± 8^b	0.13 ± 0.01^b	14.0 ± 1.5^b	1.15 ± 0.15^b	7 020 ± 322^b	1 397 ± 64^b	15.9 ± 1.0^b