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6 主要生长时期块根中可溶性糖、蔗糖和淀粉含量(2015年)

Table 6 Contents of soluble sugar, sucrose, and starch of storage roots in key growth periods (DW%, 2015)

品种 Variety 栽后天数 Days after planting (d) 处理 Treatment 可溶性糖 Soluble sugar 蔗糖 Sucrose 淀粉 Starch 北京553 Beijing 553 65 SS 10.23 a 9.61 a 62.28 a CK 10.59 a 10.07 a 54.84 b JS 10.85 a 10.19 a 52.86 b 105 SS 6.58 b 5.68 b 67.96 a CK 8.59 a 7.57 a 65.69 ab JS 8.63 a 8.37 a 62.47 b 145 SS 8.80 c 11.89 c 74.06 a CK 9.88 b 13.77 b 70.38 a JS 10.69 a 15.17 a 63.95 b 龙薯9号 Longshu 9 65 SS 11.86 b 9.83 b 59.26 a CK 12.46 b 10.28 b 57.80 a JS 15.85 a 13.06 a 54.26 a 105 SS 12.76 b 8.16 c 62.86 a CK 13.34 ab 9.88 b 58.52 ab JS 14.00 a 13.66 a 53.92 b 145 SS 16.53 a 9.79 c 67.40 a CK 16.97 a 11.04 b 59.53 b JS 17.07 a 12.10 a 56.01 b