种间距对不同结瘤特性套作大豆物质积累、 鼓粒及产量形成的影响

庞婷,陈平,袁晓婷,雷鹿,杜青,付智丹,张晓娜,周颖,任建锐,王甜,汪锦,杨文钰,雍太文

Effects of Row Spacing on Dry Matter Accumulation, Grain Filling and Yield Formation of Different Nodulation Characteristic Soybeans in Intercropping

Ting PANG,Ping CHEN,XiaoTing YUAN,Lu LEI,Qing DU,ZhiDan FU,XiaoNa ZHANG,Ying ZHOU,JianRui REN,Tian WANG,Jin WANG,WenYu YANG,TaiWen YONG

表7 营养器官（茎+叶）积累的干物质向荚果的转移及其对荚果的贡献率

Table 7 Translocation and contribution of dry matter accumulation in vegetative organs (stem and leaf) (%)

年份 Year 种间距 Row spacing 输出率 Output ratio 贡献率 Contribution ratio B1 B2 B3 平均 Mean B1 B2 B3 平均 Mean 2016 A1 48.19a 37.82c 35.35b 40.46b 43.98b 41.47b 53.42b 46.29c A2 50.81a 49.15ab 49.77a 49.91a 57.44a 51.68a 55.65ab 54.92a A3 50.03a 43.68b 46.54a 46.75a 50.01a 46.97b 55.74ab 50.89b A4 47.47a 49.93a 44.54a 47.31a 50.49a 49.35a 58.57a 52.80ab 平均Mean 49.13a 45.15b 44.05a — 50.50a 47.34b 55.85ab — 2017 A1 41.79a 37.36a 44.06a 41.07a 53.64ab 53.70a 57.77a 55.04a A2 40.82a 38.84a 24.21b 34.62ab 57.70a 44.55b 24.25b 42.17b A3 44.07a 31.63ab 34.73ab 36.81a 57.96a 50.61ab 33.48b 47.35ab A4 31.95ab 34.25ab 46.74a 37.64a 39.02bc 37.93bc 57.75a 44.89b A5 26.69b 24.15b 34.43ab 28.43b 32.56c 23.80c 38.33b 31.56c 平均Mean 37.06a 33.25ab 36.83ab — 48.17b 42.12b 42.31ab —