不同抗旱性甘薯品种叶片生理性状差异及抗旱指标筛选
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张海燕, 解备涛, 姜常松, 冯向阳, 张巧, 董顺旭, 汪宝卿, 张立明, 秦桢, 段文学
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Screening of leaf physiological characteristics and drought-tolerant indexes of sweetpotato cultivars with drought resistance
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ZHANG Hai-Yan, XIE Bei-Tao, JIANG Chang-Song, FENG Xiang-Yang, ZHANG Qiao, DONG Shun-Xu, WANG Bao-Qing, ZHANG Li-Ming, QIN Zhen, DUAN Wen-Xue
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表2 不同甘薯品种的叶面积系数其及与抗旱系数的相关性分析
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Table 2 Leaf area index of different sweetpotato cultivars and its correlation coefficients with drought resistance coefficient
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品种 Cultivar | 抗旱系数DC | 叶面积系数 LAI | 2012 | 2013 | 2012 | 2013 | 对照Control | 干旱Drought | 对照Control | 干旱Drought | 济薯21 Jishu 21 | 0.71 a | 0.73 a | 3.67 d | 2.54 cd | 3.46 h | 2.23 de | 济薯25 Jishu 25 | 0.70 a | 0.68 b | 6.52 b | 3.89 ab | 6.19 cd | 3.56 b | 济徐23 Jixu 23 | 0.69 ab | 0.65 c | 6.31 bc | 3.57 b | 5.97 d | 3.94 a | 济薯15 Jishu 15 | 0.67 bc | 0.63 d | 3.96 d | 2.35 cde | 3.74 fg | 2.03 ef | 烟薯25 Yanshu 25 | 0.65 c | 0.63 cd | 6.89 ab | 4.24 a | 6.52 b | 3.88 a | 徐薯18 Xushu 18 | 0.55 ef | 0.57 e | 5.73 c | 2.87 c | 5.42 e | 2.55 c | 济薯26 Jishu 26 | 0.58 d | 0.54 ef | 7.28 a | 3.64 b | 7.20 a | 3.37 b | 北京553 Beijing 553 | 0.57 de | 0.53 fg | 3.61 d | 1.82 defg | 3.39 h | 1.79 g | 济紫薯2号Jizishu 2 | 0.51 f | 0.53 g | 3.33 de | 1.69 fgh | 3.10 i | 1.56 h | 济薯18 Jishu 18 | 0.49 g | 0.51 ef | 3.47 de | 1.69 fgh | 3.11 i | 1.63 gh | 郑薯20 Zhengshu 20 | 0.39 h | 0.36 h | 3.71 d | 1.41 gh | 3.50 gh | 1.19 i | 济紫薯3号 Jizishu 3 | 0.37 hi | 0.38 h | 6.91 ab | 2.72 c | 6.58 bc | 2.19 d | 济薯22 Jishu 22 | 0.38 h | 0.35 hi | 4.06 d | 1.72 efgh | 3.83 f | 1.59 h | 济紫薯1号 Jizishu 1 | 0.34 i | 0.35 i | 6.76 ab | 2.27 cdef | 6.41 bc | 2.03 f | 凌紫 Ayamaraski | 0.35 i | 0.33 i | 2.87 e | 1.13 h | 2.69 j | 1.01 j | 相关系数 Correlation coefficient | — | — | 0.17 | 0.65* | 0.17 | 0.68** |
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