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作物学报

作物学报 ›› 2022, Vol. 48 ›› Issue (5): 1279-1287.doi: 10.3724/SP.J.1006.2022.11048

• 研究简报 • 上一篇    下一篇

青稞种质资源成株期抗旱性鉴定及抗旱指标筛选

王兴荣1(), 李玥1, 张彦军1, 李永生1, 汪军成3, 徐银萍2, 祁旭升1,*()   

  1. 1甘肃省农业科学院作物研究所, 甘肃兰州 730070
    2甘肃省农业科学院经济作物与啤酒原料研究所, 甘肃兰州 730070
    3甘肃农业大学农学院, 甘肃兰州 730070
  • 收稿日期:2021-05-10 接受日期:2021-09-10 出版日期:2022-05-12 网络出版日期:2021-10-15
  • 通讯作者: 祁旭升
  • 作者简介:E-mail: wxr_0618@163.com
  • 基金资助:
    甘肃省农业科学院科技创新专项(功能性青稞种质创制与利用)(2019GAAS08);中央引导地方科技发展专项(甘肃省寒旱农作物种质资源保存评价及品种选育创新平台);甘肃省科技计划项目(甘肃省主要粮食作物种质资源库)资助(18JR2TA020)

Drought resistance identification and drought resistance indexes screening of Tibetan hulless barley resources at adult stage

WANG Xing-Rong1(), LI Yue1, ZHANG Yan-Jun1, LI Yong-Sheng1, WANG Jun-Cheng3, XU Yin-Ping2, QI Xu-Sheng1,*()   

  1. 1Institute of Crop Sciences, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu, China
    2Institute of Industrial Crops and Malting Barley, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu, China
    3College of Agronomy, Gansu Agricultural University, Lanzhou 730070, Gansu, China
  • Received:2021-05-10 Accepted:2021-09-10 Published:2022-05-12 Published online:2021-10-15
  • Contact: QI Xu-Sheng
  • Supported by:
    Agricultural Science and Technology Innovation Project of Gansu Academy of Agricultural Sciences(2019GAAS08);Central Government Guides Local Science and Technology Development Projects;Science and Technology Planning Project of Gansu Province(18JR2TA020)

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摘要：

干旱是影响青藏高原青稞生产的主要因素之一, 鉴定青稞种质资源成株期抗旱性, 筛选可靠的抗旱指标, 可对抗旱青稞品种培育提供依据。本研究以238份青稞种质为材料, 于2019和2020年在甘肃省张掖市设置正常灌水和干旱胁迫2个处理, 测定青稞株高、单株穗数、单株生物量、单穗粒重、穗长、千粒重和产量, 结果表明: 采用抗旱性度量值(D值)、综合抗旱系数(CDC值)、加权抗旱系数(WDC值)分别进行成株期抗旱性综合评价。相关性分析表明,干旱胁迫对各指标的影响均达到极显著水平, 产量与株高、千粒重呈极显著正相关, 与单穗粒重呈显著正相关。频次分析表明, 各指标对干旱胁迫的敏感程度依次为株高、产量、单株生物量、单穗粒重、单株穗数、穗长和千粒重。基于D值、CDC值及WDC值的种质排序基本一致。灰色关联度分析表明, 各指标DC值与D值之间的关联度大小依次为产量、单株生物量、单穗粒重、株高、单株穗数、穗长和千粒重, 这与各指标DC值与WDC值的密切程度基本一致。逐步回归分析表明, 产量、株高、单株穗数、千粒重及单株生物量可作为青稞成株期抗旱鉴定的可靠指标, D值为适宜的抗旱评价方法。以D值为依据将供试青稞种质划分为5个抗旱等级, 筛选出紫眼窝青稞、六棱青稞、紫青稞、ZDM8125、土葫芦紫青稞等1级抗旱种质38份。研究结果为青稞抗旱品种选育和抗旱机制研究提供了重要基础材料和理论参考。

关键词: 青稞, 成株期, 抗旱性, 抗旱指标

Abstract:

Drought is one of the main factors affecting the production of hulless barley in the Qinghai-Tibet Plateau. Identification of drought resistance of hulless barley germplasm resources at adult stage and screening of reliable drought resistance indexes can provide basis for breeding drought resistant varieties. In the present study, a total of 238 hulless barley germplasms were used as materials, and two treatments of normal irrigation and drought stress in the field conditions were conducted in Zhangye of Gansu Province in 2019 and 2020, respectively. Seven indexes, such as the plant height, spike number per plant, biomass per plant, grain weight per spike, spike length, 1000-grain weight, and yield were determined. The drought resistance comprehensive evaluation value (D-value), comprehensive drought resistance coefficient (CDC-value), and weight drought resistance coefficient (WDC-value) were used to identify drought resistance at adult stage of hulless barley germplasms. The results showed that the effects of drought stress on all indexes were extremely significant, and the correlation analysis showed that the yield was significantly positively correlated with plant height and 1000-grain weight at P < 0.01, and significantly positively correlated with the grain weight per panicle at P<0.05. Frequency analysis showed that the sensitivity of seven indexes to drought stress was plant height, yield, biomass per plant, grain weight per ear, number of ears per plant, ear length and 1000-grain weight, respectively. The ranks of drought resistance of germplasms based on the D-value, CDC-value, and WDC-value were similar. Grey correlation degree analysis showed that the correlation degree between DC-value and D-value was in the order of yield, biomass per plant, grain weight per spike, plant height, number of spikelets per plant, ear length and 1000-grain weight, which was basically consistent with the close degree between DC-value and WDC-value of each index. Stepwise regression analysis showed that yield, plant height, panicle number per plant, 1000-grain weight and biomass per plant could be used as reliable indexes for drought resistance identification of hulless barley in adult stage. D-value was determined as the appropriate method for drought resistance identification. Based on D-value, the tested hulless barley germplasms were divided into five drought resistance grades, and 38 germplasms were classified in grade I, such as Ziyanwoqingke, Liulengqingke, Ziqingke, ZDM8125, Tuhuluqingke, etc. These results provided important basic materials and theoretical reference for the breeding of drought-resistant varieties and the study of drought-resistant mechanism of hulless barley.

Key words: hulless barley, adult stage, drought resistance, drought resistance indexes

附表1

供试青稞种质资源来源及抗旱等级划分"

编号
Number		 种质名称
Name		 来源
Origin		 D值
D-value		 分级
Grade		 CDC值
CDC-value		 分级
Grade		 WDC值
WDC-value		 分级
Grade
1 长芒青稞 Changmangqingke 甘肃临潭 Lintan, Gansu 0.424 4 0.662 3 0.648 3
2 麻青稞 Maqingke 甘肃临潭Lintan, Gansu 0.370 5 0.596 5 0.586 5
3 碌曲白青稞 Luqubaiqingke 甘肃碌曲 Luqu, Gansu 0.605 1 0.732 2 0.726 3
4 碌曲紫青稞 Luquziqingke 甘肃碌曲Luqu, Gansu 0.585 1 0.788 1 0.802 1
5 土房紫青稞 Tufangziqingke 甘肃夏河Xiahe, Gansu 0.591 1 0.842 1 0.860 1
6 迭部紫青稞 Diebuziqingke 甘肃迭部Diebu, Gansu 0.471 3 0.678 3 0.678 3
7 舟曲春青稞 Zhouquchunqingke 甘肃舟曲Zhouqu, Gansu 0.340 5 0.579 5 0.569 5
8 宕昌青稞(蓝) Tanchangqingke (lan) 甘肃宕昌Tanchang, Gansu 0.497 3 0.655 3 0.636 3
9 宕昌青稞(黄) Tanchangqingke (huang) 甘肃宕昌Tanchang, Gansu 0.544 2 0.749 2 0.751 2
10 庄浪青稞 Zhuanglangqingke 甘肃庄浪Zhuanglang, Gansu 0.363 5 0.578 5 0.569 5
11 张掖春青稞 Zhangyechunqingke 甘肃张掖Zhangye, Gansu 0.382 5 0.631 4 0.635 3
12 榆中青稞(黄) Yuzhongqingke (huang) 甘肃榆中Yuzhong, Gansu 0.423 4 0.587 5 0.566 5
13 牡丹青稞 Mudanqingke 甘肃临夏Linxia, Gansu 0.387 5 0.603 4 0.604 4
14 榆中青稞(蓝) Yuzhongqingke (lan) 甘肃榆中Yuzhong, Gansu 0.556 1 0.708 3 0.689 3
15 岷县青稞 Minxianqingke 甘肃岷县Minxian, Gansu 0.626 1 0.757 2 0.735 2
16 漳县青稞 Zhangxianqingke 甘肃漳县Zhangxian, Gansu 0.498 3 0.746 2 0.760 2
17 漳县长青稞 Zhangxianchangqingke 甘肃漳县Zhangxian, Gansu 0.485 3 0.750 2 0.765 2
18 漳县长芒青稞 Zhangxianchangmangqingke 甘肃漳县Zhangxian, Gansu 0.397 4 0.611 4 0.605 4
19 金塔有芒青稞 Jintayoumangqingke 甘肃金塔Jinta, Gansu 0.426 4 0.661 3 0.661 3
20 古浪青稞 Gulangqingke 甘肃古浪Gulang, Gansu 0.596 1 0.797 1 0.806 1
21 会宁矮秆青稞 Huiningaiganqingke 甘肃会宁Huining, Gansu 0.459 3 0.688 3 0.697 3
22 欧娃青稞 Ouwaqingke 甘肃岷县Minxian, Gansu 0.426 4 0.646 3 0.658 3
23 连皮青稞 Lianpiqingke 甘肃临泽Linze, Gansu 0.483 3 0.661 3 0.649 3
24 二棱青稞1 Erlengqingke 1 甘肃临夏Linxia, Gansu 0.568 1 0.780 1 0.781 1
25 二棱青稞2 Erlengqingke 2 甘肃临夏Linxia, Gansu 0.544 2 0.722 3 0.712 3
26 二棱紫青稞 Erlengziqingke 甘肃金塔Jinta, Gansu 0.524 2 0.774 1 0.794 1
27 青稞 Qingke 甘肃夏河Xiahe, Gansu 0.499 3 0.763 1 0.775 1
28 和尚青稞 Heshangqingke 甘肃积石山Jishishan, Gansu 0.542 2 0.763 1 0.744 2
29 紫青稞 Ziqingke 甘肃临夏Linxia, Gansu 0.447 3 0.630 4 0.620 4
30 紫青稞 Ziqingke 甘肃夏河Xiahe, Gansu 0.489 3 0.639 3 0.624 4
31 二混水青稞 Erhunshuiqingke 甘肃临泽Linze, Gansu 0.389 5 0.649 3 0.664 3
32 土葫芦紫青稞 Tuhuluziqingke 甘肃永昌Yongchang, Gansu 0.641 1 0.846 1 0.851 1
33 大青稞 Daqingke 甘肃临夏Linxia, Gansu 0.363 5 0.608 4 0.606 4
34 大麻青稞 Damaqingke 甘肃临洮Linao, Gansu 0.433 3 0.701 3 0.718 3
35 小青稞 Xiaoqingke 甘肃临夏Linxia, Gansu 0.482 3 0.694 3 0.710 3
36 无叶耳青稞 Wuyeerqingke 甘肃甘南Gannan, Gansu 0.574 1 0.741 2 0.733 2
37 无叶耳紫青稞 Wuyeerziqingke 甘肃夏河Xiahe, Gansu 0.421 4 0.599 5 0.580 5
38 无皮青稞 Wupiqingke 甘肃礼县Lixian, Gansu 0.342 5 0.546 5 0.539 5
39 无芒青稞 Wumangqingke 甘肃平凉Pingliang, Gansu 0.500 3 0.643 3 0.608 4
40 瓦兰青稞 Walanqingle 甘肃天祝Tianzhu, Gansu 0.455 3 0.634 4 0.623 4
41 长芒青稞 Changmangqingke 甘肃漳县Zhangxian, Gansu 0.331 5 0.600 4 0.611 4
42 长身子青稞 Changshenziqingke 甘肃临潭Lintan, Gansu 0.308 5 0.618 4 0.628 4
43 长青稞 Changqingke 甘肃临潭Lintan, Gansu 0.349 5 0.554 5 0.551 5
44 六棱子长芒白青稞 Liulengzichangmangbaiqingke 甘肃永昌Yongchang, Gansu 0.426 3 0.700 3 0.711 3
45 六棱小青稞1 Liulengxiaoqingke 1 甘肃临泽Linze, Gansu 0.426 4 0.565 5 0.543 5
46 六棱小青稞2 Liulengxiaoqingke 2 甘肃临泽Linze, Gansu 0.508 3 0.748 2 0.764 2
47 六棱子青稞 Liulengziqingke 甘肃临潭Lintan, Gansu 0.559 1 0.746 2 0.754 2
48 六棱头白青稞 Liulengtoubaiqingke 甘肃古浪Gulang, Gansu 0.406 4 0.685 3 0.696 3
49 六棱头青稞 Liulengtouqingke 甘肃金塔Jinta, Gansu 0.343 5 0.586 5 0.587 5
50 六棱大青稞 Liulengdaqingke 甘肃金塔Jinta, Gansu 0.321 5 0.523 5 0.521 5
51 六棱头紫青稞 Liulengtouziqingke 甘肃民乐Minle, Gansu 0.386 5 0.618 4 0.617 4
52 六棱青稞 Liulengqingke 甘肃敦煌Dunhuang, Gansu 0.314 5 0.572 5 0.570 5
53 六棱青稞 Liulengqingke 甘肃民勤Minqin, Gansu 0.443 3 0.668 3 0.670 3
54 六棱青稞 Liulengqingke 甘肃西和Xihe, Gansu 0.387 5 0.574 5 0.567 5
55 六棱青稞 Liulengqingke 甘肃漳县Zhangxian, Gansu 0.375 5 0.674 3 0.684 3
56 六棱青稞 Liulengqingke 甘肃舟曲Zhouqu, Gansu 0.457 3 0.635 4 0.627 4
57 六棱青稞 Liulengqingke 甘肃卓尼Zhuoni, Gansu 0.675 1 0.910 1 0.919 1
58 六棱紫青稞 Liulengziqingke 甘肃甘南Gannan, Gansu 0.333 5 0.560 5 0.564 5
59 六棱黑青稞 Liulengheiqingke 甘肃武威Wuwei, Gansu 0.616 1 0.768 1 0.750 2
60 六棱兰青稞 Liulenglanqingke 甘肃民乐Minle, Gansu 0.425 4 0.638 4 0.628 4
61 双腰青稞 Shuangyaoqingke 甘肃岷县Minxian, Gansu 0.479 3 0.694 3 0.695 3
62 本地麻青稞 Bendimaqingke 甘肃渭源Weiyuan, Gansu 0.351 5 0.610 4 0.609 4
63 四棱青稞 Silengqingke 甘肃民勤Minqin, Gansu 0.551 1 0.709 3 0.695 3
64 白皮青稞 Baipiqingke 甘肃张掖Zhangye, Gansu 0.581 1 0.758 2 0.767 1
65 白杈青稞 Baichaqingke 甘肃临夏Linxia, Gansu 0.476 3 0.693 3 0.683 3
66 白青稞 Baiqingke 甘肃岷县Minxian, Gansu 0.506 3 0.740 2 0.761 2
67 白青稞 Baiqingke 甘肃夏河Xiahe, Gansu 0.592 1 0.724 3 0.717 3
68 白青稞 Baiqingke 甘肃酒泉Jiuquan, Gansu 0.531 2 0.757 2 0.760 2
69 白青稞 Baiqingke 甘肃玉门Yumen, Gansu 0.448 3 0.644 3 0.634 3
70 白青稞 Baiqingke 甘肃敦煌Dunhuang, Gansu 0.411 4 0.622 4 0.617 4
71 白青稞1 Baiqingke 1 甘肃民乐Minle, Gansu 0.493 3 0.661 3 0.649 3
72 白青稞2 Baiqingke 2 甘肃民乐Minle, Gansu 0.382 5 0.589 5 0.587 5
73 白青稞3 Baiqingke 3 甘肃民乐Minle, Gansu 0.370 5 0.553 5 0.539 5
74 白青稞 Baiqingke 甘肃肃南Sunan, Gansu 0.391 4 0.595 5 0.596 4
75 白青稞 Baiqingke 甘肃武威Wuwei, Gansu 0.459 3 0.696 3 0.702 3
76 白青稞1 Baiqingke 1 甘肃景泰Jingtai, Gansu 0.523 2 0.740 2 0.733 2
77 白青稞2 Baiqingke 2 甘肃景泰Jingtai, Gansu 0.552 1 0.807 1 0.822 1
78 白青稞 Baiqingke 甘肃古浪Gulang, Gansu 0.528 2 0.720 3 0.714 3
79 白籽青稞 Baiziqingke 甘肃临夏Linxia, Gansu 0.444 3 0.655 3 0.645 3
80 老白青稞 Laobaiqingke 甘肃武都Wudu, Gansu 0.317 5 0.575 5 0.609 4
81 老红青稞 Laohongqingke 甘肃武都Wudu, Gansu 0.522 2 0.713 3 0.705 3
82 老青稞1 Laoqingke 1 甘肃漳县Zhangxian, Gansu 0.506 3 0.778 1 0.801 1
83 老青稞2 Laoqingke 2 甘肃漳县Zhangxian, Gansu 0.540 2 0.666 3 0.643 3
84 老青稞 Laoqingke 甘肃甘谷Gangu, Gansu 0.530 2 0.788 1 0.819 1
85 老青稞 Laoqingke 甘肃永靖Yongjing, Gansu 0.469 3 0.735 2 0.756 2
86 老青稞 Laoqingke 甘肃西和Xihe, Gansu 0.601 1 0.852 1 0.852 1
87 红青稞 Hongqingke 甘肃和政Hezheng, Gansu 0.433 3 0.690 3 0.697 3
88 红青稞 Hongqingke 甘肃夏河Xiahe, Gansu 0.456 3 0.708 3 0.712 3
89 兴隆青稞 Xinglongqingke 甘肃榆中Yuzhong, Gansu 0.401 4 0.617 4 0.606 4
90 孙家庄白青稞 Sunjiazhuangbaiqingke 甘肃临潭Lintan, Gansu 0.518 2 0.733 2 0.728 3
91 杈青稞 Chaqingke 甘肃临夏Linxia, Gansu 0.376 5 0.562 5 0.550 5
92 牡丹青稞 Mudanqingke 甘肃临夏Linxia, Gansu 0.412 4 0.665 3 0.670 3
93 青皮青稞1 Qingpiqingke 1 甘肃酒泉Jiuquan, Gansu 0.511 3 0.706 3 0.703 3
94 青皮青稞2 Qingpiqingke 2 甘肃酒泉Jiuquan, Gansu 0.441 3 0.627 4 0.610 4
95 青皮青稞 Qingpiqingke 甘肃张掖Zhangye, Gansu 0.517 2 0.695 3 0.680 3
96 青青稞 Qingqingke 甘肃永登Yongdeng, Gansu 0.419 4 0.653 3 0.669 3
97 青稞 Qingke 甘肃榆中Yuzhong, Gansu 0.387 5 0.569 5 0.552 5
98 青稞1 Qingke 1 甘肃清水Qingshui, Gansu 0.392 4 0.663 3 0.666 3
99 青稞2 Qingke 2 甘肃清水Qingshui, Gansu 0.420 4 0.672 3 0.686 3
100 青稞3 Qingke 3 甘肃清水Qingshui, Gansu 0.324 5 0.485 5 0.455 5
101 青稞 Qingke 甘肃天水Tianshui, Gansu 0.423 4 0.588 5 0.561 5
102 青稞 Qingke 甘肃张家川Zhangjiachuan, Gansu 0.401 4 0.639 4 0.643 3
103 青稞 Qingke 甘肃静宁Jingning, Gansu 0.424 4 0.596 5 0.575 5
104 青稞 Qingke 甘肃永靖Yongjing, Gansu 0.448 3 0.677 3 0.681 3
105 青稞 Qingke 甘肃安西Anxi, Gansu 0.398 4 0.542 5 0.521 5
106 青稞 Qingke 甘肃武威Wuwei, Gansu 0.335 5 0.538 5 0.523 5
107 青稞 Qingke 甘肃景泰Jintai, Gansu 0.416 4 0.617 4 0.621 4
108 青稞 Qingke 甘肃武山Wushan, Gansu 0.448 3 0.653 3 0.662 3
109 青稞 Qingke 甘肃清水Qingshui, Gansu 0.410 4 0.661 3 0.668 3
110 青稞 Qingke 甘肃卓尼Zhuoni, Gansu 0.581 1 0.814 1 0.843 1
111 青溜子青稞 Qingliuziqingke 甘肃临潭Lintan, Gansu 0.517 2 0.731 2 0.742 2
112 和尚青稞 Heshangqingke 甘肃积石山Jishishan, Gansu 0.501 3 0.743 2 0.755 2
113 卷芒青稞 Juanmangqingke 甘肃古浪Gulang, Gansu 0.464 3 0.643 3 0.637 3
114 春青稞 Chunqingke 甘肃西和Xihe, Gansu 0.564 1 0.805 1 0.823 1
115 春青稞 Chunqingke 甘肃礼县Lixian, Gansu 0.493 3 0.711 3 0.717 3
116 茶色青稞 Chaseqingke 甘肃临夏Linxia, Gansu 0.397 4 0.539 5 0.515 5
117 钩芒青稞 Goumangqingke 甘肃积石山Jishishan, Gansu 0.491 3 0.673 3 0.668 3
118 绿籽青稞 Lvziqingke 甘肃临夏Linxia, Gansu 0.512 3 0.752 2 0.758 2
119 绿青稞1 lvqingke 1 甘肃和政Hezheng, Gansu 0.479 3 0.681 3 0.679 3
120 绿青稞2 Lvqingke 2 甘肃和政Hezheng, Gansu 0.441 3 0.639 4 0.640 3
121 麻青稞 Maqingke 甘肃岷县Minxian, Gansu 0.549 2 0.743 2 0.740 2
122 麻青稞1 Maqingke 1 甘肃和政Hezheng, Gansu 0.543 2 0.743 2 0.745 2
123 麻青稞2 Maqingke 2 甘肃和政Hezheng, Gansu 0.459 3 0.659 3 0.661 3
124 麻青稞 Maqingke 甘肃康乐Kangle, Gansu 0.409 4 0.595 5 0.584 5
125 麻青稞 Maqingke 甘肃夏河Xiahe, Gansu 0.515 2 0.656 3 0.636 3
126 紫青稞 Ziqingke 甘肃民乐Minle, Gansu 0.475 3 0.685 3 0.692 3
127 紫青稞1 Ziqingke 1 甘肃金塔Jinta, Gansu 0.434 3 0.621 4 0.607 4
128 紫青稞 Ziqingke 甘肃肃南Sunan, Gansu 0.534 2 0.728 2 0.726 3
129 紫青稞 Ziqingke 甘肃高台Gaotai, Gansu 0.674 1 0.933 1 0.944 1
130 紫青稞 Ziqingke 甘肃天祝Tianzhu, Gansu 0.547 2 0.740 2 0.740 2
131 紫青稞 Ziqingke 甘肃卓尼Zhuoni, Gansu 0.559 1 0.711 3 0.689 3
132 紫青稞 Ziqingke 甘肃武威Wuwei, Gansu 0.513 3 0.648 3 0.619 4
133 紫青稞2 Ziqingke 2 甘肃金塔Jinta, Gansu 0.607 1 0.855 1 0.870 1
134 紫青稞 Ziqingke 甘肃夏河Xiahe, Gansu 0.569 1 0.777 1 0.779 1
135 紫青稞Ziqingke 甘肃甘南Gannan, Gansu 0.500 3 0.720 3 0.728 3
136 紫眼窝青稞 Ziyanwoqingke 甘肃张掖Zhangye, Gansu 0.603 1 0.701 3 0.678 3
137 紫眼窝青稞 Ziyanwoqingke 甘肃永昌Yongchang, Gansu 0.699 1 0.840 1 0.840 1
138 黑青稞 Heiqingke 甘肃永昌Yongchang, Gansu 0.487 3 0.664 3 0.650 3
139 锉青稞 Cuoqingke 甘肃临潭Lintan, Gansu 0.493 3 0.663 3 0.639 3
140 兰青稞 Lanqingke 甘肃岷县Minxian, Gansu 0.625 1 0.774 1 0.748 2
141 蓝青稞 Lanqingke 甘肃民乐Minle, Gansu 0.461 3 0.612 4 0.590 5
142 蓝青稞 Lanqingke 甘肃宕昌Tanchang, Gansu 0.499 3 0.656 3 0.651 3
143 蓝青稞 Lanqingke 甘肃甘南Gannan, Gansu 0.481 3 0.707 3 0.699 3
144 褐青稞 Heqingke 甘肃景泰Jingtai, Gansu 0.445 3 0.623 4 0.611 4
145 藏青稞 Zangqingke 甘肃民乐Minle, Gansu 0.548 2 0.742 2 0.725 3
146 六棱长芒黑青稞 Liulengchangmangheiqingke 甘肃武威Wuwei, Gansu 0.377 5 0.562 5 0.541 5
147 藏青稞 Zangqingke 甘肃武威Wuwei, Gansu 0.528 2 0.713 3 0.706 3
148 青稞1 Qingke 1 甘肃民勤Minqin, Gansu 0.501 3 0.784 1 0.790 1
149 秃头青稞 Tutouqingke 甘肃民勤Minqin, Gansu 0.543 2 0.741 2 0.733 2
150 青稞2 Qingke 2 甘肃民勤Minqin, Gansu 0.367 5 0.596 5 0.593 4
151 青稞 Qingke 甘肃古浪Gulang, Gansu 0.354 5 0.563 5 0.549 5
152 青稞1 Qingke 1 甘肃永登Yongdeng, Gansu 0.459 3 0.695 3 0.705 3
153 青稞2 Qingke 2 甘肃永登Yongdeng, Gansu 0.417 4 0.610 4 0.596 4
154 青稞3 Qingke 3 甘肃永登Yongdeng, Gansu 0.463 3 0.732 2 0.744 2
155 青稞4 Qingke 4 甘肃永登Yongdeng, Gansu 0.416 4 0.638 4 0.641 3
156 青稞5 Qingke 5 甘肃永登Yongdeng, Gansu 0.443 3 0.682 3 0.693 3
157 LK544 青海Qinghai 0.459 3 0.662 3 0.654 3
158 LK522 青海Qinghai 0.361 5 0.548 5 0.538 5
159 LK529 青海Qinghai 0.457 3 0.732 2 0.753 2
160 LK573 青海Qinghai 0.536 2 0.840 1 0.885 1
161 LK623 青海Qinghai 0.552 1 0.735 2 0.723 3
162 LK569 青海Qinghai 0.547 2 0.724 3 0.716 3
163 LK642 青海Qinghai 0.447 3 0.775 1 0.815 1
164 LK543 青海Qinghai 0.571 1 0.765 1 0.767 1
165 LK638 青海Qinghai 0.417 4 0.679 3 0.679 3
166 LK640 青海Qinghai 0.515 2 0.814 1 0.829 1
167 LK496 青海Qinghai 0.434 3 0.648 3 0.647 3
168 LK525 青海Qinghai 0.401 4 0.713 3 0.728 3
169 LK551 青海Qinghai 0.478 3 0.666 3 0.665 3
170 LK534 青海Qinghai 0.459 3 0.723 3 0.733 2
171 LK602 青海Qinghai 0.479 3 0.670 3 0.663 3
172 LK527 青海Qinghai 0.401 4 0.639 4 0.649 3
173 LK635 青海Qinghai 0.507 3 0.697 3 0.699 3
174 LK506-1 青海Qinghai 0.478 3 0.696 3 0.694 3
175 LK512 青海Qinghai 0.440 3 0.623 4 0.613 4
176 LK497 青海Qinghai 0.513 3 0.742 2 0.757 2
177 LK595 青海Qinghai 0.550 2 0.824 1 0.849 1
178 LK498 青海Qinghai 0.422 4 0.660 3 0.672 3
179 LK526 青海Qinghai 0.524 2 0.761 1 0.778 1
180 LK610 青海Qinghai 0.418 4 0.681 3 0.701 3
181 LK578 青海Qinghai 0.420 4 0.629 4 0.634 3
182 LK505 青海Qinghai 0.524 2 0.791 1 0.818 1
183 LK583 青海Qinghai 0.593 1 0.815 1 0.829 1
184 LK624 青海Qinghai 0.461 3 0.700 3 0.711 3
185 LK581 青海Qinghai 0.366 5 0.581 5 0.585 5
186 LK519 青海Qinghai 0.380 5 0.617 4 0.614 4
187 LK645 青海Qinghai 0.459 3 0.694 3 0.702 3
188 LK592 青海Qinghai 0.400 4 0.644 3 0.655 3
189 LK553 青海Qinghai 0.360 5 0.557 5 0.556 5
190 LK603 青海Qinghai 0.367 5 0.576 5 0.574 5
191 LK568 青海Qinghai 0.315 5 0.548 5 0.548 5
192 LK598 青海Qinghai 0.396 4 0.619 4 0.632 3
193 ZDM0008 西藏Tibet 0.434 3 0.597 5 0.582 5
194 ZDM0010 西藏Tibet 0.337 5 0.542 5 0.540 5
195 ZDM0067 西藏Tibet 0.539 2 0.707 3 0.691 3
196 ZDM0069 西藏Tibet 0.586 1 0.807 1 0.818 1
197 ZDM0369 西藏Tibet 0.491 3 0.681 3 0.680 3
198 ZDM0507 西藏Tibet 0.462 3 0.654 3 0.639 3
199 ZDM0509 西藏Tibet 0.562 1 0.794 1 0.802 1
200 ZDM0931 西藏Tibet 0.468 3 0.638 4 0.632 3
201 ZDM1467 西藏Tibet 0.468 3 0.701 3 0.709 3
202 ZDM1494 西藏Tibet 0.437 3 0.635 4 0.630 4
203 ZDM1686 西藏Tibet 0.421 4 0.637 4 0.641 3
204 ZDM1704 西藏Tibet 0.550 1 0.749 2 0.751 2
205 ZDM2510 西藏Tibet 0.551 1 0.666 3 0.641 3
206 ZDM3669 西藏Tibet 0.359 5 0.594 5 0.599 4
207 ZDM3835 西藏Tibet 0.489 3 0.719 3 0.739 2
208 ZDM4746 西藏Tibet 0.548 2 0.733 2 0.733 2
209 ZDM5142 西藏Tibet 0.501 3 0.633 4 0.610 4
210 ZDM5153 西藏Tibet 0.436 3 0.613 4 0.598 4
211 ZDM5159 西藏Tibet 0.511 3 0.671 3 0.665 3
212 ZDM5189 西藏Tibet 0.503 3 0.742 2 0.760 2
213 ZDM5367 西藏Tibet 0.470 3 0.681 3 0.671 3
214 ZDM5718 西藏Tibet 0.482 3 0.720 3 0.732 2
215 ZDM5777 西藏Tibet 0.455 3 0.693 3 0.701 3
216 ZDM6034 西藏Tibet 0.495 3 0.719 3 0.723 3
217 ZDM6152 西藏Tibet 0.594 1 0.806 1 0.799 1
218 ZDM6470 西藏Tibet 0.554 1 0.724 3 0.711 3
219 ZDM6931 西藏Tibet 0.452 3 0.712 3 0.722 3
220 ZDM7649 西藏Tibet 0.633 1 0.785 1 0.764 2
221 ZDM8125 西藏Tibet 0.673 1 0.850 1 0.856 1
222 ZDM8190 西藏Tibet 0.437 3 0.662 3 0.663 3
223 ZDM8183 西藏Tibet 0.514 3 0.735 2 0.749 2
224 ZDM8382 西藏Tibet 0.371 5 0.599 5 0.595 4
225 ZDM23092 西藏Tibet 0.559 1 0.727 2 0.720 3
226 香立哈青稞 Xianglihaqingke 西藏Tibet 0.416 4 0.586 5 0.574 5
227 口卡马青稞 Koukamaqingke 西藏Tibet 0.381 5 0.551 5 0.530 5
228 太昭青稞 Taizhaoqingke 西藏Tibet 0.496 3 0.669 3 0.669 3
229 乌西金青稞 Wuxijinqingke 西藏Tibet 0.491 3 0.718 3 0.718 3
230 青稞(5) Qingke (5) 西藏Tibet 0.483 3 0.777 1 0.793 1
231 热萨青稞 Resaqingke 西藏Tibet 0.513 3 0.668 3 0.650 3
232 般那岗青稞 Bannagangqingke 西藏Tibet 0.502 3 0.671 3 0.646 3
233 西江青稞 Xijiangqingke 西藏Tibet 0.331 5 0.511 5 0.498 5
234 林东青稞 Lindongqingke 西藏Tibet 0.500 3 0.657 3 0.634 3
235 马甲青稞 Majiaqingke 西藏Tibet 0.410 4 0.630 4 0.619 4
236 拉萨青稞(白) Lasaqingke (bai) 西藏Tibet 0.475 3 0.712 3 0.714 3
237 农仁青稞 Nongrengqingke 西藏Tibet 0.243 5 0.463 5 0.458 5
238 瓦哈塘青稞 Wahatangqingke 西藏Tibet 0.473 3 0.642 3 0.623 4
最大值 Max. — — 0.699 0.933 0.944
最小值Min. — — 0.243 0.463 0.455
平均值 Ave. — — 0.470 0.680 0.679
标准差 SD — — 0.080 0.080 0.087
变异系数 CV — — 17.097 11.787 12.846

表1

干旱胁迫和正常灌水条件下供试青稞种质各指标均值差异性分析"

项目
Item		 参数
Parameter		 株高
PH (cm)		 单株穗数
SNP		 单株生物量
BP (g)		 单穗粒重
GWS (g)		 穗长
SL (cm)		 千粒重
TGW (g)		 产量
Y (kg)
对照
CK		 最大值Max. 96.27 5.20 19.65 3.63 9.27 51.34 0.87
最小值Min. 54.53 1.28 4.27 0.43 3.57 23.38 0.16
均值Average 78.14** 2.97** 8.40** 1.10** 5.74** 39.53** 0.50**
标准差SD 7.74 0.66 2.51 0.32 0.95 4.44 0.13
变异系数CV (%) 9.91 22.12 29.87 28.82 16.59 11.23 26.65
干旱
Drought		 最大值Max. 66.53 3.53 7.86 1.33 6.72 46.26 0.50
最小值Min. 27.40 1.00 2.28 0.22 2.65 14.80 0.03
均值Average 50.80** 2.07** 4.40** 0.71** 4.35** 34.97** 0.24**
标准差SD 6.07 0.48 1.05 0.17 0.68 4.33 0.08
变异系数CV (%) 11.95 23.10 23.77 24.37 15.73 12.37 32.11
较对照变化
Comparison with the control		 均值Average 27.34 0.90 4.00 0.39 1.39 4.56 0.25
标准差SD 6.79 0.65 2.57 0.28 0.86 3.18 0.12
变异系数CV (%) 24.84 71.48 64.43 70.93 61.97 69.68 48.44
t值t-value 62.14 21.58 23.95 21.75 24.90 22.14 31.84
P值P-value 0.0001** 0.0001** 0.0001** 0.0001** 0.0001** 0.0001** 0.0001**
相关系数r 0.54 0.39 0.14 0.48 0.49 0.74 0.42

表2

供试青稞种质各指标抗旱系数统计表"

参数
Parameter		 株高
PH		 单株穗数
SNP		 单株生物量
BP		 单穗粒重
GWS		 穗长
SL		 千粒重
TGW		 产量
Y
最大值Max. 0.855 1.323 1.240 1.307 1.118 1.200 0.961
最小值Min. 0.502 0.330 0.168 0.269 0.455 0.576 0.051
均值Average 0.652 0.716 0.561 0.665 0.770 0.887 0.510
标准差SD 0.068 0.174 0.188 0.168 0.127 0.081 0.162
变异系数CV 10.50 24.25 33.52 25.24 16.50 9.16 32.45

图1

供试青稞种质各指标抗旱系数频次分布图 PH: 株高; SNP: 单株穗数; BP: 单株生物量; GWS: 单穗粒重; SL: 穗长; TGW: 千粒重; Y: 产量。"

表3

供试青稞种质各指标抗旱系数的相关性"

指标Index 株高PH 单株穗数SNP 单株生物量BP 单穗粒重GWS 穗长SL 千粒重TGW
单株穗数SNP 0.136*
单株生物量BP 0.280** 0.509**
单穗粒重GWS 0.262** 0.133* 0.298**
穗长SL 0.375** 0.302** 0.436** 0.339**
千粒重TGW 0.067 0.080 0.229** 0.430** 0.051
产量Y 0.202** 0.052 -0.025 0.112* 0.046 0.176**

表4

基于不同评价方法的青稞种质抗旱等级划分"

分级方法
Classification method		 1级
Grade 1		 2级
Grade 2		 3级
Grade 3		 4级
Grade 4		 5级
Grade 5		 1级抗旱代表种质
Representative germplasm in grade 1
CDC值
CDC-value		 36
(15.13%)		 32
(13.45%)		 94
(39.50%)		 34
(14.29%)		 42
(17.65%)		 紫青稞(129)、六棱青稞(57)、紫青稞2 (133)、老青稞(86)、
ZDM8125、土葫芦紫青稞(32)、土房紫青稞(5)、紫眼窝青稞(137)、LK573、LK595
Ziqingke (129), Liulengqingke (57), Ziqingke2 (133), Laoqingke (86),
ZDM8125, Tuhuluziqingke (32), Tufangziqingke (5),
Ziyanwoqingke (137), LK573, LK595
WDC值
WDC-value		 33
(13.87%)		 32
(13.45%)		 102
(42.86%)		 33
(13.87%)		 38
(15.97%)		 紫青稞(129)、六棱青稞(57)、LK573、紫青稞2 (133)、
土房紫青稞(5)、ZDM8125、老青稞(86)、土葫芦紫青稞 (32)、
LK595、青稞(110)
Ziqingke (129), Liulengqingke (57), LK573, Ziqingke 2 (133),
Tufangziqingke (5), ZDM8125, Laoqingke (86), Tuhuluziqingke (32),
LK595, Qingke (110)
D值
D-value		 38
(15.97%)		 29
(12.18%)		 93
(39.08%)		 37
(15.55%)		 41
(17.23%)		 紫眼窝青稞(137)、六棱青稞(57)、紫青稞(129)、ZDM8125、
土葫芦紫青稞(32)、ZDM7649、岷县青稞(15)、兰青稞(140)、
六棱黑青稞(59)、紫青稞2(133)
Ziyanwoqingke (137), Liulengqingke (57), Ziqingke (129), ZDM8125,
Tuhuluziqingke (32), ZDM7649, Minxianqingke (15),
Lanqingke (140), Liulengheiqingke (59), Ziqingke 2 (133)
共有种质
Shared
germplasm		 20 9 55 7 27 —

表5

供试青稞种质资源各指标DC值与D值和WDC值的关联度及各指标权重"

指标
Indexes		 关联度
γD (DC-value
vs D-value)		 排序
Rank		 权重系数
Weight		 关联度
γWDC (DC-value
vs WDC-value)		 排序
Rank
株高PH 0.318 4 0.140 0.566 1
单株穗数SNP 0.285 5 0.125 0.457 4
单株生物量BP 0.432 2 0.190 0.381 5
单穗粒重GWS 0.349 3 0.153 0.474 2
穗长SL 0.225 6 0.099 0.466 3
千粒重TGW 0.157 7 0.069 0.275 7
产量 Y 0.513 1 0.225 0.326 6

表6

供试青稞种质抗旱模型预测"

因变量
Dependent variable		 多元逐步回归方程
Multiple stepwise regression equation		 决定系数
R2		 F值
F-value		 P值
P-value		 统计量
Statistics		 相关系数 r
CDC值
CDC-value		 WDC值
WDC-value		 产量
Y
D值
D-value		 y = -0.221+0.384x1+0.163x2+
0.102x3+0.127x6+0.303x7		 0.994 4224.91** 0.0001 1.992 0.87** 0.81** 0.71**
CDC值
CDC-value		 y = 0.173+0.138x2+0.165x3+
0.179x4+0.149x5+0.163x7		 0.986 1713.75** 0.0001 1.635 0.99** 0.38**
WDC值
WDC-value		 y = 0.141+0.155x2+0.203x3+
0.191x4+0.167x5+0.114x7		 0.985 3041.03** 0.0001 1.616 0.26**
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