甘薯块根形成和膨大对土壤紧实度的响应机制及与产量的关系

史文卿,张彬彬,柳洪鹃,赵庆鑫,史春余,王新建,司成成

Response mechanism of sweet potato storage root formation and bulking to soil compaction and its relationship with yield

Wen-Qing SHI,Bin-Bin ZHANG,Hong-Juan LIU,Qing-Xin ZHAO,Chun-Yu SHI,Xin-Jian WANG,Cheng-Cheng SI

表5 栽秧后100 d功能叶13C同化物在不同器官的分配比例(2015年)

Table 5 Distribution ratio of 13C assimilates of functional leaf in different organs at 100 d after planting (%, 2015)

品种 Variety 处理 Treatment 标记部位 Labeled part 上部 Upper part 下部 Lower part 侧枝 Branch 块根 Storage root 北京553 Beijing 553 SS 0.87 c 0.90 c 4.05 c 35.21 c 58.98 a CK 1.24 b 1.03 b 5.58 b 50.05 b 42.11 b JS 2.80 a 2.69 a 8.45 a 61.11 a 24.97 c 龙薯9号 Longshu 9 SS 0.71 c 1.10 b 3.16 b 22.02 c 73.02 a CK 1.03 b 0.69 c 2.22 c 29.12 b 66.93 b JS 3.76 a 3.06 a 8.16 a 37.29 a 47.74 c