不同甘薯品种抗旱性评价及耐旱指标筛选
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张海燕,解备涛,汪宝卿,董顺旭,段文学,张立明
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Evaluation of drought tolerance and screening for drought-tolerant indicators in sweetpotato cultivars
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Hai-Yan ZHANG,Bei-Tao XIE,Bao-Qing WANG,Shun-Xu DONG,Wen-Xue DUAN,Li-Ming ZHANG
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表5 干旱胁迫对甘薯叶面积系数的影响
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Table 5 Effects of drought stress on leaf area index in sweetpotato
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品种 Cultivar | 栽后60 d 60 DAP | | 栽后100 d 100 DAP | 对照Control | 干旱Drought | 相对值RV | 对照Control | 干旱Drought | 相对值RV | 2012 | | | | | | | | 徐薯18 Xushu 18 | 4.23 e | 2.45 cd | 0.58 de | | 4.03 e | 2.07 d | 0.51 bc | 济薯15 Jishu 15 | 3.98 e | 2.64 cd | 0.66 b | | 3.96 e | 2.14 cd | 0.54 b | 济薯21 Jishu 21 | 6.01 cd | 4.34 ab | 0.72 a | | 5.86 c | 3.84 a | 0.66 a | 济徐23 Jixu 23 | 6.54 bc | 3.98 b | 0.61 bcd | | 6.31 b | 3.57 a | 0.57 b | 济薯25 Jishu 25 | 6.78 bc | 4.32 ab | 0.64 bc | | 6.52 b | 3.79 a | 0.58 b | 北京553 Beijing 553 | 3.65 ef | 2.13 d | 0.58 de | | 3.61 ef | 1.82 de | 0.50 bc | 郑薯20 Zhengshu 20 | 3.78 ef | 2.34 d | 0.62 bcd | | 3.71 ef | 1.41 ef | 0.38 e | 烟薯25 Yanshu 25 | 7.12 ab | 4.72 a | 0.66 b | | 6.89 b | 3.62 a | 0.53 b | 济薯22 Jishu 22 | 4.03 e | 2.45 cd | 0.61 bcd | | 4.06 e | 1.72 de | 0.42 de | 济薯26 Jishu 26 | 7.86 a | 4.19 b | 0.53 e | | 7.48 a | 3.84 a | 0.51 bc | 凌紫 Ayamaraski | 2.98 f | 1.65 e | 0.55 e | | 2.87 g | 1.13 f | 0.39 e | 济薯18 Jishu 18 | 3.59 ef | 2.11 d | 0.59 cde | | 3.87 e | 1.79 de | 0.46 cd | 济紫薯1号 Jizishu 1 | 7.21 ab | 4.37 ab | 0.61 bcd | | 6.76 b | 2.67 b | 0.40 de | 济紫薯2号 Jizishu 2 | 3.45 f | 2.14 d | 0.62 bcd | | 3.33 f | 1.69 de | 0.51 bc | 济紫薯3号 Jizishu 3 | 5.35 d | 2.98 c | 0.56 e | | 4.97 d | 2.58 bc | 0.52 b | 2013 | | | | | | | | 徐薯18 Xushu 18 | 3.61 c | 1.93 cd | 0.53 c | | 3.16 bc | 1.49 de | 0.47 c | 济薯15 Jishu 15 | 3.96 c | 2.28 c | 0.57 bc | | 3.74 b | 1.89 cd | 0.51 bc | 济薯21 Jishu 21 | 3.98 c | 2.72 c | 0.68 a | | 3.46 bc | 2.23 c | 0.64 a | 济徐23 Jixu 23 | 6.20 b | 4.34 a | 0.70 a | | 5.97 a | 3.71 a | 0.62 a | 济薯25 Jishu 25 | 6.45 b | 4.29 a | 0.67 a | | 6.19 a | 3.86 a | 0.62 a | 北京553 Beijing 553 | 3.43 c | 2.10 cd | 0.61 b | | 3.39 bc | 1.79 cd | 0.53 b | 郑薯20 Zhengshu 20 | 3.57 c | 2.03 cd | 0.57 bc | | 3.50 b | 1.49 de | 0.43 d | 烟薯25 Yanshu 25 | 6.56 b | 4.08 ab | 0.62 b | | 6.02 a | 3.08 b | 0.51 bc | 济薯22 Jishu 22 | 3.81 c | 2.32 c | 0.61 b | | 3.03 bc | 1.29 e | 0.43 d | 济薯26 Jishu 26 | 7.58 a | 4.42 a | 0.58 bc | | 6.20 a | 3.17 b | 0.51 bc | 凌紫 Ayamaraski | 2.80 d | 1.64 d | 0.59 bc | | 2.09 d | 1.06 e | 0.51 bc | 济薯18 Jishu 18 | 3.83 c | 2.25 c | 0.59 bc | | 3.11 bc | 1.63 d | 0.52 b | 济紫薯1号 Jizishu 1 | 6.86 b | 3.72 b | 0.54 c | | 6.41 a | 2.03 c | 0.32 e | 济紫薯2号 Jizishu 2 | 3.72 c | 2.21 c | 0.59 bc | | 3.10 bc | 1.56 de | 0.50 bc | 济紫薯3号 Jizishu 3 | 3.45 c | 2.09 cd | 0.61 b | | 2.91 c | 1.49 de | 0.51 bc |
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