接种中华根瘤菌SD101和避光对紫花苜蓿固氮和光合作用的影响

刘淑霞,魏国江,荆瑞勇,王丽艳,关向军,孙宇峰,王广达,韩如月,石杰,郭永霞

Effects of Sinorhizobium SD101 Inoculation and Shading on Nitrogen Fixation and Photosynthesis of Medicago sativa L.

Shuxia Liu,Guojiang Wei,Ruiyong Jing,Liyan Wang,Xiangjun Guan,Yufeng Sun,Guangda Wang,Ruyue Han,Jie Shi,Yongxia Guo

表3 避光与接种SD101根瘤菌对紫花苜蓿光合参数的影响

Table 3 Effects of shading and rhizobia inoculation on photosynthetic parameters in alfalfa leaves

项目Item 未接种Non-inoculated 接种SD101 Inoculated SD101 未避光Unshaded 避光Shaded 未避光Unshaded 避光Shaded Pn [umol/(m2·s)] 5.04±0.10b 4.16±0.08b 7.60±0.13b 2.92±0.11c Gs [mmol/(m2·s)] 0.076±0.001b 0.120±0.002a 0.124±0.008a 0.025±0.016c Ci (umol/mol) 233.05±2.12b 304.15±4.03a 259.77±4.35b 248.14±4.52b