不同甘薯品种抗旱性评价及耐旱指标筛选

张海燕,解备涛,汪宝卿,董顺旭,段文学,张立明

Evaluation of drought tolerance and screening for drought-tolerant indicators in sweetpotato cultivars

Hai-Yan ZHANG,Bei-Tao XIE,Bao-Qing WANG,Shun-Xu DONG,Wen-Xue DUAN,Li-Ming ZHANG

表2 甘薯品种抗旱性评价

Table 2 Evaluation of drought resistance in different sweetpotato cultivars

品种 Cultivar 2012 2013 抗旱评价 DE 鲜薯产量 Fresh weight (kg hm-2) 抗旱系数 DC 鲜薯产量 Fresh weight (kg hm-2) 抗旱系数 DC 对照Control 干旱Drought 对照 Control 干旱 Drought 徐薯18 Xushu 18 18735 fg 10305 d 0.55 ef 20970 d 11955 d 0.57 e 中抗Medium resistance 济薯15 Jishu 15 20205 de 13530 c 0.67 bc 22740 c 14325 c 0.63 d 抗Resistance 济薯21 Jishu 21 19200 ef 13635 b 0.71 a 21525 d 15720 b 0.73 a 抗Resistance 济徐23 Jixu 23 22950 b 15840 a 0.69 ab 24540 b 15945 b 0.65 c 抗Resistance 济薯25 Jishu 25 25080 a 17550 a 0.70 a 27090 a 18420 a 0.68 b 抗Resistance 北京553 Beijing 553 16350 hi 9315 e 0.57 de 18570 e 9840 e 0.53 fg 中抗Medium resistance 郑薯20 Zhengshu 20 20250 cd 7890 f 0.39 h 23400 c 8430 f 0.36 h 不抗Not resistance 烟薯25 Yanshu 25 21600 c 14040 b 0.65 c 22920 c 14445 c 0.63 cd 抗Resistance 济薯22 Jishu 22 16875 h 6405 g 0.38 h 18525 e 6480 h 0.35 hi 不抗Not resistance 济薯26 Jishu 26 23520 b 13635 bc 0.58 d 26820 a 14490 c 0.54 ef 中抗Medium resistance 凌紫Ayamaraski 13140 k 4590 i 0.35 i 13530 h 4470 j 0.33 i 不抗Not resistance 济薯18 Jishu18 17550 g 8595 e 0.49 g 15600 g 7950 g 0.51 ef 中抗Medium resistance 济紫薯1号 Jizishu 1 15450 ij 5250 h 0.34 i 16845 f 5895 i 0.35 i 不抗Not resistance 济紫薯2号 Jizishu 2 14640 j 7470 f 0.51 f 16065 fg 8520 f 0.53 g 中抗Medium resistance 济紫薯3号 Jizishu 3 16200 hi 5985 gh 0.37 hi 16935 f 6435 h 0.38 h 不抗Not resistance