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4 块根干物质积累特征参数(2015年)

Table 4 Characteristics of dry matter accumulation in storage root tuber (2015)

品种 Variety 处理 Treatment a b k R2 C0 Vmean Vmax Xmax.V D 北京553 Beijing 553 SS 8.21 0.07 277.63 0.93 0.08 1.93 5.01 113.63 144.04 CK 8.68 0.07 236.18 0.94 0.04 1.58 4.30 119.11 149.27 JS 8.56 0.08 132.49 0.95 0.03 0.94 2.53 122.21 141.02 龙薯9号 Longshu 9 SS 5.41 0.05 333.91 0.94 1.49 2.24 4.26 105.94 148.96 CK 5.36 0.05 281.57 0.91 1.32 1.76 3.32 113.62 160.18 JS 5.35 0.04 147.78 0.90 0.70 0.81 1.54 128.66 181.45