不同抗旱性甘薯品种叶片生理性状差异及抗旱指标筛选

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

Screening of leaf physiological characteristics and drought-tolerant indexes of sweetpotato cultivars with drought resistance

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

表4 干旱胁迫对甘薯功能叶相对含水量的影响

Table 4 Effects of drought stress on relative water content of functional leaves in sweetpotato (%)

年份 Year	品种 Cultivar	栽后60 d 60 DAP
年份 Year	品种 Cultivar	对照 Control	干旱 Drought	相对值 RV	对照 Control	干旱 Drought	相对值 RV
2012	济徐23 Jixu 23	86.66 b	69.84 a	0.81 a	82.01 bcd	55.40 b	0.68 abc
	郑薯20 Zhengshu 20	83.14 ef	64.23 bc	0.77 b	79.72 ef	48.33 de	0.61 def
	济薯15 Jishu 15	83.72 de	62.58 bc	0.75 b	79.87 ef	51.98 cd	0.65 bcd
	济薯21 Jishu 21	84.19 cde	62.52 bc	0.74 bc	80.76 cde	55.75 b	0.69 abc
	济薯25 Jishu 25	89.22 a	65.50 ab	0.73 b	84.50 a	59.85 a	0.71 a
	济紫薯2号 Jizishu 2	81.20 fg	59.56 bcd	0.73 bcd	78.40 f	50.38 cd	0.64 cd
	济薯26 Jishu 26	89.20 a	62.35 bc	0.70 cde	81.69 bcd	53.14 bc	0.65 bcd
	烟薯25 Yanshu 25	85.25 bcd	58.94 cde	0.69 def	82.66 abc	45.95 ef	0.56 fgh
	徐薯18 Xushu 18	82.40 ef	54.57 ef	0.66 efg	79.17 ef	48.33 de	0.61 def
	济紫薯3号 Jizishu 3	85.94 bc	56.95 de	0.66 efg	80.61 de	49.52 cd	0.61 def
	北京553 Beijing 553	80.36 g	52.53 f	0.65 fg	78.33 f	48.94 de	0.62 de
	济薯18 Jishu 18	78.33 h	50.78 f	0.65 fg	74.57 g	43.02 f	0.58 efg
	济薯22 Jishu 22	80.77 g	51.26 f	0.63 gh	80.10 ef	51.55 cd	0.64 cd
	济紫薯1号 Jizishu 1	87.01 b	54.95 def	0.63 gh	83.46 ab	43.45 f	0.52 h
	凌紫Ayamaraski	85.86 bc	50.66 f	0.59 h	80.92 cde	44.83 ef	0.55 gh
	济徐23 Jixu 23	85.57 bc	66.39 abc	0.78 a	81.13 ab	54.02 c	0.67 b
	烟薯25 Yanshu 25	86.56 ab	66.98 ab	0.77 a	73.56 f	44.98 e	0.61 de
2013	济薯26 Jishu 26	88.52 a	68.54 a	0.77 a	80.68 bc	53.40 c	0.66 bc
	济薯18 Jishu 18	87.38 a	67.23 ab	0.77 a	82.69 a	51.21 d	0.62 cd
	济薯22 Jishu 22	79.68 e	60.26 d	0.76 a	75.14 e	45.51 e	0.61 de
	济薯21 Jishu 21	85.91 bc	65.17 bc	0.76 a	81.62 ab	58.54 a	0.72 a
	济薯25 Jishu 25	87.19 a	64.50 c	0.74 a	83.02 a	56.50 b	0.68 ab
	济薯15 Jishu 15	79.18 e	52.76 f	0.67 b	73.72 f	45.80 e	0.62 cd
	济紫薯3号 Jizishu 3	84.43 c	55.54 e	0.66 b	79.69 c	45.55 e	0.57 ef
	徐薯18 Xushu 18	83.99 c	55.72 e	0.66 b	80.68 bc	49.57 d	0.61 de
	济紫薯2号 Jizishu 2	74.23 f	48.58 g	0.65 b	71.40 g	39.76 f	0.56 fg
	郑薯20 Zhengshu 20	81.35 d	52.34 f	0.64 bc	77.18 d	44.45 e	0.58 def
	北京553 Beijing 553	79.64 e	51.29 f	0.64 bc	72.33 fg	37.39 g	0.52 gh
	济紫薯1号 Jizishu 1	77.57 e	46.49 gh	0.60 cd	73.89 f	40.04 f	0.54 fg
	凌紫 Ayamaraski	81.57 d	45.60 h	0.56 d	74.92 ef	35.89 h	0.48 h