改善土壤通气性促进甘薯源库间光合产物运转的原因解析
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刘永晨,司成成,柳洪鹃,张彬彬,史春余
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Reason exploration for soil aeration promoting photosynthate transportation between sink and source in sweet potato
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Yong-Chen LIU,Cheng-Cheng SI,Hong-Juan LIU,Bin-Bin ZHANG,Chun-Yu SHI
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表6 茎不同部位蔗糖和淀粉含量(%, 2018年)
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Table 6 Contents of sucrose and starch in different positions of stem (%, 2018)
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| 项目 Item | 部位
Position | 品种
Variety | 处理
Treatment | 栽后天数 Days after planting (d) | | 50 | 70 | 90 | 110 | 130 | 150 | | 蔗糖Sucrose | 茎顶部
Stem top | 商薯19 | SS | 3.07 a | 4.45 a | 5.03 a | 5.36 a | 5.87 a | 5.40 a | | Shangshu 19 | CK | 1.64 b | 3.25 b | 4.33 b | 4.74 b | 5.37 b | 4.88 b | | JS | 1.19 c | 2.46 c | 3.85 c | 4.25 c | 4.71 c | 4.48 c | | 济徐23 | SS | 2.50 a | 4.61 a | 5.13 a | 5.72 a | 6.25 a | 5.26 a | | Jixu 23 | CK | 2.07 b | 3.18 b | 4.47 b | 5.10 b | 5.43 b | 4.36 b | | JS | 1.70 c | 2.49 c | 3.91 c | 4.73 c | 4.74 c | 4.00 c | 茎中部
Stem middle | 商薯19 | SS | 2.60 c | 2.87 c | 3.35 c | 4.07 c | 5.58 c | 4.44 c | | Shangshu 19 | CK | 3.76 b | 3.24 b | 4.12 b | 5.30 b | 6.60 b | 5.82 b | | JS | 5.13 a | 4.37 a | 5.69 a | 6.71 a | 8.24 a | 6.75 a | | 济徐23 | SS | 1.69 c | 2.48 c | 3.33 c | 4.12 c | 5.45 c | 3.93 c | | Jixu 23 | CK | 2.08 b | 3.14 b | 4.01 b | 5.32 b | 6.26 b | 4.97 b | | JS | 4.71 a | 4.54 a | 5.33 a | 7.01 a | 7.96 a | 6.25 a | 茎基部
Stem base | 商薯19 | SS | 8.75 c | 9.58 c | 10.10 c | 10.41 c | 11.34 c | 10.27 c | | Shangshu 19 | CK | 9.87 b | 11.50 b | 12.84 b | 11.69 b | 12.51 b | 11.51 b | | JS | 10.91 a | 13.32 a | 14.88 a | 14.47 a | 15.47 a | 13.79 a | | 济徐23 | SS | 8.30 c | 9.53 c | 9.93 c | 9.94 c | 10.89 c | 9.52 c | | Jixu 23 | CK | 9.93 b | 11.20 b | 12.10 b | 11.33 b | 12.36 b | 11.12 b | | JS | 11.40 a | 13.41 a | 14.49 a | 14.27 a | 14.86 a | 13.35 a | | 淀粉Starch | 茎顶部
Stem top | 商薯19 | SS | 11.93 c | 13.12 c | 14.53 c | 15.40 c | 16.17 c | 14.46 c | | Shangshu 19 | CK | 13.17 b | 14.49 b | 16.82 b | 17.79 b | 18.17 b | 16.50 b | | JS | 14.53 a | 16.36 a | 18.79 a | 20.09 a | 21.11 a | 18.12 a | | 济徐23 | SS | 11.99 c | 12.26 c | 13.24 c | 15.02 c | 15.58 c | 11.86 c | | Jixu 23 | CK | 13.07 b | 14.66 b | 15.30 b | 16.30 b | 17.41 b | 13.19 b | | JS | 14.39 a | 16.54 a | 18.36 a | 19.53 a | 20.47 a | 16.65 a | 茎中部
Stem middle | 商薯19 | SS | 14.11 c | 14.89 c | 15.72 c | 17.17 c | 18.19 c | 17.09 c | | Shangshu 19 | CK | 15.37 b | 17.59 b | 17.89 b | 19.56 b | 20.47 b | 19.96 b | | JS | 17.62 a | 19.00 a | 21.05 a | 21.96 a | 22.71 a | 21.56 a | | 济徐23 | SS | 13.88 c | 14.56 c | 15.29 c | 16.38 c | 17.31 c | 15.35 c | | Jixu 23 | CK | 16.21 b | 18.18 b | 19.01 b | 19.62 b | 20.54 b | 17.76 b | | JS | 18.28 a | 20.07 a | 20.85 a | 22.27 a | 22.52 a | 20.05 a | 茎基部
Stem base | 商薯19 | SS | 18.73 c | 19.73 c | 21.16 c | 21.69 c | 22.23 c | 21.17 c | | Shangshu 19 | CK | 22.32 | 23.34 c | 24.36 c | 24.29 c | 25.49 c | 24.62 b | | JS | 24.69 a | 25.57 a | 26.47 a | 27.40 a | 28.84 a | 27.85 a | | 济徐23 | SS | 17.56 c | 19.59 c | 50.80 c | 21.22 c | 21.92 c | 20.17 c | | Jixu 23 | CK | 21.34 b | 23.16 b | 23.88 b | 23.80 b | 25.11 b | 23.26 b | | JS | 23.47 a | 25.11 a | 26.83 a | 27.75 a | 29.47 a | 28.09 a |
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