Xinjiang Agricultural Sciences ›› 2022, Vol. 59 ›› Issue (10): 2411-2420.DOI: 10.6048/j.issn.1001-4330.2022.10.009
• Crop Genetics and Breeding·Cultivation Physiology·Germplasm Resources·Molecular Genetics • Previous Articles Next Articles
ZOU Chenglin(), TAN Hua, HUANG Kaijian, HUANG Aihua, ZHAI Ruining, MO Runxiu
Received:
2021-11-15
Online:
2022-10-20
Published:
2022-12-21
Correspondence author:
ZOU Chenglin
Supported by:
通讯作者:
邹成林
基金资助:
CLC Number:
ZOU Chenglin, TAN Hua, HUANG Kaijian, HUANG Aihua, ZHAI Ruining, MO Runxiu. Drought Resistance Identification of 28 Maize Lines[J]. Xinjiang Agricultural Sciences, 2022, 59(10): 2411-2420.
邹成林, 谭华, 黄开健, 黄爱花, 翟瑞宁, 莫润秀. 28份玉米自交系抗旱性鉴定[J]. 新疆农业科学, 2022, 59(10): 2411-2420.
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编号 Code | 名称 Name | 来源 Sources | 编号 Code | 名称 Name | 来源 Sources |
---|---|---|---|---|---|
1 | P3-97 | CIMMYT | 15 | P808 | 桂单666父本 |
2 | DSG426 | CIMMYT | 16 | 正103-8 | 正大群体 |
3 | CLYN548 | CIMMYT | 17 | Q901 | 桂单660母本 |
4 | Q98 | 桂单668母本 | 18 | D905-4 | 先正达群体 |
5 | D1101 | 先正达群体 | 19 | Q934-5 | 自选材料 |
6 | Q935-8 | 自选材料 | 20 | D1131-5 | 桂单6203母本 |
7 | LV99-5 | 自选材料 | 21 | P9540 | 桂单6203父本 |
8 | Q925-3 | 自选材料 | 22 | VN | 越南 |
9 | D908-5 | 先正达群体 | 23 | NS-7 | 越南 |
10 | Q934 | 桂单673母本 | 24 | 桂39722 | 桂单0810母本 |
11 | P508 | 桂单669父本 | 25 | 桂兆18422 | 桂单0810父本 |
12 | U269-1-3 | 自选材料 | 26 | D1113 | 先正达群体 |
13 | YD2 | 桂单660父本 | 27 | SP221 | 桂单162母本 |
14 | H161 | 自选材料 | 28 | 先21A | 桂单162父本 |
Table 1 Maize inbred lines name and their sources
编号 Code | 名称 Name | 来源 Sources | 编号 Code | 名称 Name | 来源 Sources |
---|---|---|---|---|---|
1 | P3-97 | CIMMYT | 15 | P808 | 桂单666父本 |
2 | DSG426 | CIMMYT | 16 | 正103-8 | 正大群体 |
3 | CLYN548 | CIMMYT | 17 | Q901 | 桂单660母本 |
4 | Q98 | 桂单668母本 | 18 | D905-4 | 先正达群体 |
5 | D1101 | 先正达群体 | 19 | Q934-5 | 自选材料 |
6 | Q935-8 | 自选材料 | 20 | D1131-5 | 桂单6203母本 |
7 | LV99-5 | 自选材料 | 21 | P9540 | 桂单6203父本 |
8 | Q925-3 | 自选材料 | 22 | VN | 越南 |
9 | D908-5 | 先正达群体 | 23 | NS-7 | 越南 |
10 | Q934 | 桂单673母本 | 24 | 桂39722 | 桂单0810母本 |
11 | P508 | 桂单669父本 | 25 | 桂兆18422 | 桂单0810父本 |
12 | U269-1-3 | 自选材料 | 26 | D1113 | 先正达群体 |
13 | YD2 | 桂单660父本 | 27 | SP221 | 桂单162母本 |
14 | H161 | 自选材料 | 28 | 先21A | 桂单162父本 |
自交系 Inbred lines | 穗长 Ear length(cm) | 抗旱系数 Drought coefficient | 穗粗 Ear diameter(cm) | 抗旱系数 Drought coefficient | 穗行数 Ear rows number | 抗旱系数 Drought coefficient | 行粒数 Row kernels number | 抗旱系数 Drought coefficient | 百粒重 100-kernels weight | 抗旱系数 Drought coefficient | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CK | T | CK | T | T | CK | T | CK | T | CK | ||||||
P3-97 | 12.4 | 10.4 | 0.838 7 | 3.6 | 3.2 | 0.888 9 | 12.8 | 12.8 | 1.000 0 | 13.6 | 12.0 | 0.882 4 | 26.7 | 23.0 | 0.861 4 |
DSG426 | 10.4 | 9.0 | 0.865 4 | 3.8 | 3.6 | 0.947 4 | 14.8 | 14.4 | 0.973 0 | 21.2 | 18.4 | 0.867 9 | 27.2 | 24.8 | 0.911 8 |
CLYN548 | 11.8 | 10.9 | 0.923 7 | 3.8 | 3.6 | 0.947 4 | 13.2 | 13.2 | 1.000 0 | 21.4 | 17.4 | 0.813 1 | 27.2 | 25.8 | 0.948 5 |
Q98 | 10.2 | 8.4 | 0.823 5 | 4.0 | 3.6 | 0.900 0 | 14.4 | 13.6 | 0.944 4 | 15.8 | 13.0 | 0.822 8 | 25.6 | 22.4 | 0.875 0 |
D1101 | 10.4 | 10.0 | 0.961 5 | 4.2 | 4.0 | 0.952 4 | 14.0 | 13.8 | 0.985 7 | 20.6 | 20.3 | 0.985 4 | 18.3 | 17.8 | 0.972 7 |
Q935-8 | 13.0 | 8.8 | 0.676 9 | 4.0 | 3.6 | 0.900 0 | 12.8 | 11.8 | 0.921 9 | 20.2 | 17.6 | 0.871 3 | 23.0 | 20.1 | 0.873 9 |
LV99-5 | 10.8 | 10.6 | 0.981 5 | 3.2 | 3.1 | 0.968 8 | 15.2 | 14.6 | 0.960 5 | 18.8 | 17.6 | 0.936 2 | 26.9 | 26.2 | 0.974 0 |
Q925-3 | 15.0 | 12.6 | 0.840 0 | 3.6 | 3.3 | 0.916 7 | 15.6 | 14.0 | 0.897 4 | 25.4 | 19.8 | 0.779 5 | 28.6 | 24.8 | 0.867 1 |
D908-5 | 13.0 | 10.8 | 0.830 8 | 4.0 | 3.2 | 0.800 0 | 13.6 | 13.6 | 1.000 0 | 13.4 | 11.8 | 0.880 6 | 16.8 | 15.1 | 0.898 8 |
Q934 | 13.0 | 11.8 | 0.907 7 | 3.8 | 3.5 | 0.921 1 | 15.2 | 14.6 | 0.960 5 | 12.0 | 11.6 | 0.966 7 | 18.7 | 17.1 | 0.914 4 |
P508 | 10.0 | 9.2 | 0.920 0 | 3.6 | 3.4 | 0.944 4 | 13.2 | 12.4 | 0.939 4 | 18.0 | 14.2 | 0.788 9 | 21.8 | 20.1 | 0.922 0 |
U269-1-3 | 12.8 | 11.0 | 0.859 4 | 4.2 | 3.9 | 0.928 6 | 12.0 | 11.8 | 0.983 3 | 22.4 | 20.4 | 0.910 7 | 20.1 | 18.3 | 0.910 4 |
YD2 | 12.6 | 12.4 | 0.984 1 | 3.6 | 3.5 | 0.972 2 | 13.2 | 13.1 | 0.992 4 | 16.2 | 16.0 | 0.987 7 | 24.8 | 24.3 | 0.979 8 |
H161 | 9.0 | 8.8 | 0.977 8 | 3.8 | 3.7 | 0.973 7 | 11.6 | 11.5 | 0.991 4 | 21.2 | 19.8 | 0.934 0 | 27.6 | 27.0 | 0.978 3 |
P808 | 14.6 | 13.4 | 0.917 8 | 3.6 | 3.4 | 0.944 4 | 14.8 | 14.0 | 0.945 9 | 16.8 | 15.8 | 0.940 5 | 35.9 | 33.0 | 0.919 2 |
正103-8 | 13.4 | 12.5 | 0.932 8 | 4.0 | 3.8 | 0.950 0 | 13.6 | 13.2 | 0.970 6 | 20.6 | 16.0 | 0.776 7 | 19.9 | 18.9 | 0.949 7 |
Q901 | 11.0 | 10.8 | 0.981 8 | 3.4 | 3.3 | 0.970 6 | 12.0 | 12.2 | 1.016 7 | 13.4 | 13.4 | 1.000 0 | 23.5 | 23.0 | 0.978 7 |
D905-4 | 11.0 | 10.6 | 0.963 6 | 4.2 | 4.0 | 0.952 4 | 14.0 | 14.0 | 1.000 0 | 15.6 | 14.6 | 0.935 9 | 27.2 | 26.2 | 0.963 2 |
Q934-5 | 13.0 | 12.0 | 0.923 1 | 3.8 | 3.6 | 0.947 4 | 15.6 | 14.8 | 0.948 7 | 29.6 | 29.4 | 0.993 2 | 27.2 | 25.6 | 0.941 2 |
D1131-5 | 13.0 | 12.2 | 0.938 5 | 4.2 | 4.0 | 0.952 4 | 14.0 | 13.6 | 0.971 4 | 18.8 | 16.6 | 0.883 0 | 28.5 | 27.1 | 0.950 9 |
P9540 | 12.8 | 11.8 | 0.921 9 | 3.8 | 3.6 | 0.947 4 | 15.6 | 12.4 | 0.794 9 | 21.6 | 15.4 | 0.713 0 | 23.4 | 21.8 | 0.931 6 |
VN | 12.4 | 12.2 | 0.983 9 | 4.2 | 4.2 | 0.988 1 | 12.8 | 11.2 | 0.875 0 | 19.6 | 19.4 | 0.989 8 | 18.5 | 18.3 | 0.989 2 |
NS-7 | 11.4 | 10.8 | 0.947 4 | 4.4 | 4.2 | 0.954 5 | 14.0 | 13.2 | 0.942 9 | 21.2 | 16.2 | 0.764 2 | 19.0 | 18.5 | 0.973 7 |
桂39722 | 10.0 | 9.6 | 0.960 0 | 4.2 | 4.0 | 0.952 4 | 12.8 | 12.4 | 0.968 8 | 17.8 | 17.0 | 0.955 1 | 22.4 | 21.6 | 0.964 3 |
桂兆18422 | 11.6 | 10.2 | 0.879 3 | 3.8 | 3.5 | 0.921 1 | 12.8 | 12.0 | 0.937 5 | 25.6 | 21.4 | 0.835 9 | 29.9 | 27.3 | 0.913 0 |
D1113 | 13.4 | 13.0 | 0.970 1 | 4.4 | 4.2 | 0.954 5 | 15.2 | 13.6 | 0.894 7 | 21.4 | 20.2 | 0.943 9 | 27.1 | 26.3 | 0.970 5 |
SP221 | 15.6 | 15.1 | 0.967 9 | 4.4 | 4.2 | 0.954 5 | 11.6 | 12.0 | 1.034 5 | 25.2 | 24.4 | 0.968 3 | 32.5 | 31.8 | 0.978 5 |
先21A | 10.6 | 10.0 | 0.943 4 | 4.0 | 3.8 | 0.950 0 | 11.6 | 12.4 | 1.069 0 | 19.4 | 18.6 | 0.958 8 | 32.3 | 31.1 | 0.962 8 |
Table 2 Effects of drought stress on ear characters of maize inbred lines
自交系 Inbred lines | 穗长 Ear length(cm) | 抗旱系数 Drought coefficient | 穗粗 Ear diameter(cm) | 抗旱系数 Drought coefficient | 穗行数 Ear rows number | 抗旱系数 Drought coefficient | 行粒数 Row kernels number | 抗旱系数 Drought coefficient | 百粒重 100-kernels weight | 抗旱系数 Drought coefficient | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CK | T | CK | T | T | CK | T | CK | T | CK | ||||||
P3-97 | 12.4 | 10.4 | 0.838 7 | 3.6 | 3.2 | 0.888 9 | 12.8 | 12.8 | 1.000 0 | 13.6 | 12.0 | 0.882 4 | 26.7 | 23.0 | 0.861 4 |
DSG426 | 10.4 | 9.0 | 0.865 4 | 3.8 | 3.6 | 0.947 4 | 14.8 | 14.4 | 0.973 0 | 21.2 | 18.4 | 0.867 9 | 27.2 | 24.8 | 0.911 8 |
CLYN548 | 11.8 | 10.9 | 0.923 7 | 3.8 | 3.6 | 0.947 4 | 13.2 | 13.2 | 1.000 0 | 21.4 | 17.4 | 0.813 1 | 27.2 | 25.8 | 0.948 5 |
Q98 | 10.2 | 8.4 | 0.823 5 | 4.0 | 3.6 | 0.900 0 | 14.4 | 13.6 | 0.944 4 | 15.8 | 13.0 | 0.822 8 | 25.6 | 22.4 | 0.875 0 |
D1101 | 10.4 | 10.0 | 0.961 5 | 4.2 | 4.0 | 0.952 4 | 14.0 | 13.8 | 0.985 7 | 20.6 | 20.3 | 0.985 4 | 18.3 | 17.8 | 0.972 7 |
Q935-8 | 13.0 | 8.8 | 0.676 9 | 4.0 | 3.6 | 0.900 0 | 12.8 | 11.8 | 0.921 9 | 20.2 | 17.6 | 0.871 3 | 23.0 | 20.1 | 0.873 9 |
LV99-5 | 10.8 | 10.6 | 0.981 5 | 3.2 | 3.1 | 0.968 8 | 15.2 | 14.6 | 0.960 5 | 18.8 | 17.6 | 0.936 2 | 26.9 | 26.2 | 0.974 0 |
Q925-3 | 15.0 | 12.6 | 0.840 0 | 3.6 | 3.3 | 0.916 7 | 15.6 | 14.0 | 0.897 4 | 25.4 | 19.8 | 0.779 5 | 28.6 | 24.8 | 0.867 1 |
D908-5 | 13.0 | 10.8 | 0.830 8 | 4.0 | 3.2 | 0.800 0 | 13.6 | 13.6 | 1.000 0 | 13.4 | 11.8 | 0.880 6 | 16.8 | 15.1 | 0.898 8 |
Q934 | 13.0 | 11.8 | 0.907 7 | 3.8 | 3.5 | 0.921 1 | 15.2 | 14.6 | 0.960 5 | 12.0 | 11.6 | 0.966 7 | 18.7 | 17.1 | 0.914 4 |
P508 | 10.0 | 9.2 | 0.920 0 | 3.6 | 3.4 | 0.944 4 | 13.2 | 12.4 | 0.939 4 | 18.0 | 14.2 | 0.788 9 | 21.8 | 20.1 | 0.922 0 |
U269-1-3 | 12.8 | 11.0 | 0.859 4 | 4.2 | 3.9 | 0.928 6 | 12.0 | 11.8 | 0.983 3 | 22.4 | 20.4 | 0.910 7 | 20.1 | 18.3 | 0.910 4 |
YD2 | 12.6 | 12.4 | 0.984 1 | 3.6 | 3.5 | 0.972 2 | 13.2 | 13.1 | 0.992 4 | 16.2 | 16.0 | 0.987 7 | 24.8 | 24.3 | 0.979 8 |
H161 | 9.0 | 8.8 | 0.977 8 | 3.8 | 3.7 | 0.973 7 | 11.6 | 11.5 | 0.991 4 | 21.2 | 19.8 | 0.934 0 | 27.6 | 27.0 | 0.978 3 |
P808 | 14.6 | 13.4 | 0.917 8 | 3.6 | 3.4 | 0.944 4 | 14.8 | 14.0 | 0.945 9 | 16.8 | 15.8 | 0.940 5 | 35.9 | 33.0 | 0.919 2 |
正103-8 | 13.4 | 12.5 | 0.932 8 | 4.0 | 3.8 | 0.950 0 | 13.6 | 13.2 | 0.970 6 | 20.6 | 16.0 | 0.776 7 | 19.9 | 18.9 | 0.949 7 |
Q901 | 11.0 | 10.8 | 0.981 8 | 3.4 | 3.3 | 0.970 6 | 12.0 | 12.2 | 1.016 7 | 13.4 | 13.4 | 1.000 0 | 23.5 | 23.0 | 0.978 7 |
D905-4 | 11.0 | 10.6 | 0.963 6 | 4.2 | 4.0 | 0.952 4 | 14.0 | 14.0 | 1.000 0 | 15.6 | 14.6 | 0.935 9 | 27.2 | 26.2 | 0.963 2 |
Q934-5 | 13.0 | 12.0 | 0.923 1 | 3.8 | 3.6 | 0.947 4 | 15.6 | 14.8 | 0.948 7 | 29.6 | 29.4 | 0.993 2 | 27.2 | 25.6 | 0.941 2 |
D1131-5 | 13.0 | 12.2 | 0.938 5 | 4.2 | 4.0 | 0.952 4 | 14.0 | 13.6 | 0.971 4 | 18.8 | 16.6 | 0.883 0 | 28.5 | 27.1 | 0.950 9 |
P9540 | 12.8 | 11.8 | 0.921 9 | 3.8 | 3.6 | 0.947 4 | 15.6 | 12.4 | 0.794 9 | 21.6 | 15.4 | 0.713 0 | 23.4 | 21.8 | 0.931 6 |
VN | 12.4 | 12.2 | 0.983 9 | 4.2 | 4.2 | 0.988 1 | 12.8 | 11.2 | 0.875 0 | 19.6 | 19.4 | 0.989 8 | 18.5 | 18.3 | 0.989 2 |
NS-7 | 11.4 | 10.8 | 0.947 4 | 4.4 | 4.2 | 0.954 5 | 14.0 | 13.2 | 0.942 9 | 21.2 | 16.2 | 0.764 2 | 19.0 | 18.5 | 0.973 7 |
桂39722 | 10.0 | 9.6 | 0.960 0 | 4.2 | 4.0 | 0.952 4 | 12.8 | 12.4 | 0.968 8 | 17.8 | 17.0 | 0.955 1 | 22.4 | 21.6 | 0.964 3 |
桂兆18422 | 11.6 | 10.2 | 0.879 3 | 3.8 | 3.5 | 0.921 1 | 12.8 | 12.0 | 0.937 5 | 25.6 | 21.4 | 0.835 9 | 29.9 | 27.3 | 0.913 0 |
D1113 | 13.4 | 13.0 | 0.970 1 | 4.4 | 4.2 | 0.954 5 | 15.2 | 13.6 | 0.894 7 | 21.4 | 20.2 | 0.943 9 | 27.1 | 26.3 | 0.970 5 |
SP221 | 15.6 | 15.1 | 0.967 9 | 4.4 | 4.2 | 0.954 5 | 11.6 | 12.0 | 1.034 5 | 25.2 | 24.4 | 0.968 3 | 32.5 | 31.8 | 0.978 5 |
先21A | 10.6 | 10.0 | 0.943 4 | 4.0 | 3.8 | 0.950 0 | 11.6 | 12.4 | 1.069 0 | 19.4 | 18.6 | 0.958 8 | 32.3 | 31.1 | 0.962 8 |
自交系 Inbred lines | 产量 Yield(kg/hm2) | 抗旱系数 Drought coefficeent | 产量抗旱指数 Yield drought index | 排名 Rank | 抗旱类型 Drought type | |
---|---|---|---|---|---|---|
CK | T | |||||
P3-97 | 2 437 | 1 569 | 0.643 6 | 0.438 0 | 27 | 弱 |
DSG426 | 3 789 | 2 850 | 0.752 1 | 0.929 9 | 11 | 中 |
CLYN548 | 3 027 | 2 418 | 0.798 7 | 0.837 8 | 14 | 中 |
Q98 | 2 167 | 1 391 | 0.642 2 | 0.387 7 | 28 | 弱 |
D1101 | 4 421 | 3 855 | 0.872 0 | 1.458 3 | 1 | 强 |
Q935-8 | 2 735 | 1 844 | 0.674 3 | 0.539 5 | 24 | 弱 |
LV99-5 | 2 166 | 1 951 | 0.901 1 | 0.762 8 | 15 | 中 |
Q925-3 | 2 933 | 2 079 | 0.708 6 | 0.639 0 | 19 | 弱 |
D908-5 | 2 820 | 1 783 | 0.632 2 | 0.489 0 | 26 | 弱 |
Q934 | 2 100 | 1 556 | 0.741 1 | 0.500 3 | 25 | 弱 |
P508 | 2 206 | 1 714 | 0.777 1 | 0.578 0 | 23 | 弱 |
U269-1-3 | 2 509 | 1 843 | 0.734 5 | 0.587 2 | 22 | 弱 |
YD2 | 2 951 | 2 723 | 0.922 6 | 1.089 8 | 5 | 强 |
H161 | 1 965 | 1 771 | 0.901 5 | 0.692 8 | 18 | 弱 |
P808 | 2 384 | 1 808 | 0.758 1 | 0.594 5 | 21 | 弱 |
正103-8 | 3 214 | 2 665 | 0.829 0 | 0.958 4 | 8 | 中 |
Q901 | 3 646 | 3 375 | 0.925 6 | 1.355 3 | 2 | 强 |
D905-4 | 2 400 | 2 033 | 0.847 2 | 0.747 4 | 16 | 中 |
Q934-5 | 3 271 | 2 671 | 0.816 6 | 0.946 4 | 9 | 中 |
D1131-5 | 2 906 | 2 417 | 0.831 5 | 0.871 8 | 12 | 中 |
P9540 | 2 373 | 1 957 | 0.824 8 | 0.700 4 | 17 | 中 |
VN | 3 068 | 2 880 | 0.938 8 | 1.172 9 | 3 | 强 |
NS-7 | 2 867 | 2 500 | 0.872 1 | 0.945 9 | 10 | 中 |
桂39722 | 3 731 | 3 167 | 0.848 7 | 1.165 9 | 4 | 强 |
桂兆18422 | 2 585 | 1 936 | 0.749 2 | 0.629 4 | 20 | 弱 |
D1113 | 3 129 | 2 747 | 0.878 2 | 1.046 7 | 6 | 强 |
SP221 | 3 114 | 2 726 | 0.875 2 | 1.035 0 | 7 | 强 |
先21A | 2 761 | 2 314 | 0.838 3 | 0.841 7 | 13 | 中 |
Table 3 Yield drought index and classification of maize inbred lines
自交系 Inbred lines | 产量 Yield(kg/hm2) | 抗旱系数 Drought coefficeent | 产量抗旱指数 Yield drought index | 排名 Rank | 抗旱类型 Drought type | |
---|---|---|---|---|---|---|
CK | T | |||||
P3-97 | 2 437 | 1 569 | 0.643 6 | 0.438 0 | 27 | 弱 |
DSG426 | 3 789 | 2 850 | 0.752 1 | 0.929 9 | 11 | 中 |
CLYN548 | 3 027 | 2 418 | 0.798 7 | 0.837 8 | 14 | 中 |
Q98 | 2 167 | 1 391 | 0.642 2 | 0.387 7 | 28 | 弱 |
D1101 | 4 421 | 3 855 | 0.872 0 | 1.458 3 | 1 | 强 |
Q935-8 | 2 735 | 1 844 | 0.674 3 | 0.539 5 | 24 | 弱 |
LV99-5 | 2 166 | 1 951 | 0.901 1 | 0.762 8 | 15 | 中 |
Q925-3 | 2 933 | 2 079 | 0.708 6 | 0.639 0 | 19 | 弱 |
D908-5 | 2 820 | 1 783 | 0.632 2 | 0.489 0 | 26 | 弱 |
Q934 | 2 100 | 1 556 | 0.741 1 | 0.500 3 | 25 | 弱 |
P508 | 2 206 | 1 714 | 0.777 1 | 0.578 0 | 23 | 弱 |
U269-1-3 | 2 509 | 1 843 | 0.734 5 | 0.587 2 | 22 | 弱 |
YD2 | 2 951 | 2 723 | 0.922 6 | 1.089 8 | 5 | 强 |
H161 | 1 965 | 1 771 | 0.901 5 | 0.692 8 | 18 | 弱 |
P808 | 2 384 | 1 808 | 0.758 1 | 0.594 5 | 21 | 弱 |
正103-8 | 3 214 | 2 665 | 0.829 0 | 0.958 4 | 8 | 中 |
Q901 | 3 646 | 3 375 | 0.925 6 | 1.355 3 | 2 | 强 |
D905-4 | 2 400 | 2 033 | 0.847 2 | 0.747 4 | 16 | 中 |
Q934-5 | 3 271 | 2 671 | 0.816 6 | 0.946 4 | 9 | 中 |
D1131-5 | 2 906 | 2 417 | 0.831 5 | 0.871 8 | 12 | 中 |
P9540 | 2 373 | 1 957 | 0.824 8 | 0.700 4 | 17 | 中 |
VN | 3 068 | 2 880 | 0.938 8 | 1.172 9 | 3 | 强 |
NS-7 | 2 867 | 2 500 | 0.872 1 | 0.945 9 | 10 | 中 |
桂39722 | 3 731 | 3 167 | 0.848 7 | 1.165 9 | 4 | 强 |
桂兆18422 | 2 585 | 1 936 | 0.749 2 | 0.629 4 | 20 | 弱 |
D1113 | 3 129 | 2 747 | 0.878 2 | 1.046 7 | 6 | 强 |
SP221 | 3 114 | 2 726 | 0.875 2 | 1.035 0 | 7 | 强 |
先21A | 2 761 | 2 314 | 0.838 3 | 0.841 7 | 13 | 中 |
相关系数 Correlation coefficient | 产量抗旱指数 Yield drought index | 穗长抗旱系数 Ear length index | 穗粗抗旱系数 Ear diameter index | 穗行数抗旱系数 Ear rows number index | 行粒数抗旱系数 Row kernels number index | 百粒重抗旱系数 100-kernels weight index |
---|---|---|---|---|---|---|
产量抗旱指数 Yield drought index | 1.000 0 | |||||
穗长 Ear length | 0.8740** | 1.000 0 | ||||
穗粗 Ear diameter | 0.859 8** | 0.720 1** | 1.000 0 | |||
穗行数 Ear rows number | 0.048 9 | 0.158 0 | -0.058 5 | 1.000 0 | ||
行粒数 Row kernels number | 0.393 9* | 0.374 0* | 0.269 4 | 0.447 9* | 1.000 0 | |
百粒重 100-kernels weight | 0.957 9** | 0.886 9** | 0.740 7** | 0.194 5 | 0.435 0* | 1.000 0 |
Table 4 Correlation between yield drought index and ear characters’ drought resistance coefficient (DRC) of maize inbred lines
相关系数 Correlation coefficient | 产量抗旱指数 Yield drought index | 穗长抗旱系数 Ear length index | 穗粗抗旱系数 Ear diameter index | 穗行数抗旱系数 Ear rows number index | 行粒数抗旱系数 Row kernels number index | 百粒重抗旱系数 100-kernels weight index |
---|---|---|---|---|---|---|
产量抗旱指数 Yield drought index | 1.000 0 | |||||
穗长 Ear length | 0.8740** | 1.000 0 | ||||
穗粗 Ear diameter | 0.859 8** | 0.720 1** | 1.000 0 | |||
穗行数 Ear rows number | 0.048 9 | 0.158 0 | -0.058 5 | 1.000 0 | ||
行粒数 Row kernels number | 0.393 9* | 0.374 0* | 0.269 4 | 0.447 9* | 1.000 0 | |
百粒重 100-kernels weight | 0.957 9** | 0.886 9** | 0.740 7** | 0.194 5 | 0.435 0* | 1.000 0 |
自交系 Inbred lines | 各指标隶属函数值 | D值 D value | 排名 Rank | 抗旱类型 Drought type | |||
---|---|---|---|---|---|---|---|
穗长 Ear length | 穗粗 Ear diameter | 行粒数 Row kernels number | 百粒重 100-kernels weight | ||||
P3-97 | 0.526 7 | 0.467 8 | 0.594 3 | 0.000 0 | 0.415 5 | 24 | 弱 |
DSG426 | 0.613 6 | 0.775 6 | 0.544 6 | 0.394 1 | 0.571 2 | 20 | 中 |
CLYN548 | 0.803 5 | 0.775 6 | 0.355 5 | 0.681 8 | 0.616 0 | 17 | 中 |
Q98 | 0.477 3 | 0.526 3 | 0.388 9 | 0.106 4 | 0.370 5 | 26 | 弱 |
D1101 | 0.926 6 | 0.802 0 | 0.949 7 | 0.870 7 | 0.896 5 | 4 | 强 |
Q935-8 | 0.000 0 | 0.526 3 | 0.556 2 | 0.097 9 | 0.318 6 | 28 | 弱 |
LV99-5 | 0.991 5 | 0.888 2 | 0.779 9 | 0.880 9 | 0.872 5 | 7 | 强 |
Q925-3 | 0.530 9 | 0.614 0 | 0.239 8 | 0.044 9 | 0.334 7 | 27 | 弱 |
D908-5 | 0.500 9 | 0.000 0 | 0.588 3 | 0.292 7 | 0.382 2 | 25 | 弱 |
Q934 | 0.751 3 | 0.637 1 | 0.885 1 | 0.415 0 | 0.696 0 | 15 | 中 |
P508 | 0.791 3 | 0.760 2 | 0.272 0 | 0.474 3 | 0.533 4 | 21 | 中 |
U269-1-3 | 0.594 0 | 0.676 7 | 0.692 1 | 0.383 8 | 0.595 2 | 18 | 中 |
YD2 | 1.000 0 | 0.906 4 | 0.957 4 | 0.926 8 | 0.949 6 | 3 | 强 |
H161 | 0.979 4 | 0.914 1 | 0.772 3 | 0.914 4 | 0.880 2 | 6 | 强 |
P808 | 0.784 2 | 0.760 2 | 0.794 7 | 0.452 4 | 0.705 7 | 14 | 中 |
正103-8 | 0.833 1 | 0.789 5 | 0.230 0 | 0.691 3 | 0.584 7 | 19 | 中 |
Q901 | 0.992 6 | 0.897 8 | 1.000 0 | 0.918 0 | 0.958 7 | 2 | 强 |
D905-4 | 0.933 4 | 0.802 0 | 0.779 0 | 0.796 8 | 0.822 4 | 11 | 强 |
Q934-5 | 0.801 4 | 0.775 6 | 0.976 7 | 0.624 2 | 0.815 0 | 12 | 强 |
D1131-5 | 0.851 4 | 0.802 0 | 0.596 5 | 0.700 1 | 0.718 9 | 13 | 中 |
P9540 | 0.797 4 | 0.775 6 | 0.000 0 | 0.549 5 | 0.462 1 | 23 | 弱 |
VN | 0.999 3 | 0.990 0 | 0.964 8 | 0.999 9 | 0.985 7 | 1 | 强 |
NS-7 | 0.880 4 | 0.813 4 | 0.186 7 | 0.878 6 | 0.628 8 | 16 | 中 |
桂39722 | 0.921 5 | 0.802 0 | 0.845 0 | 0.805 1 | 0.844 2 | 9 | 强 |
桂兆18422 | 0.658 9 | 0.637 1 | 0.434 3 | 0.404 1 | 0.518 3 | 22 | 中 |
D1113 | 0.954 6 | 0.813 4 | 0.806 6 | 0.853 5 | 0.852 0 | 8 | 强 |
SP221 | 0.947 4 | 0.813 4 | 0.890 5 | 0.916 0 | 0.893 7 | 5 | 强 |
先21A | 0.867 5 | 0.789 5 | 0.857 8 | 0.793 8 | 0.831 3 | 10 | 强 |
变异系数CV | 28.93 | 25.75 | 44.11 | 29.96 | - | - | - |
权重系数 Weight coefficient | 0.224 7 | 0.200 0 | 0.342 6 | 0.232 6 | - | - | - |
Table 5 Drought resistance classification of subordinate function value of ear characters in maize inbred lines
自交系 Inbred lines | 各指标隶属函数值 | D值 D value | 排名 Rank | 抗旱类型 Drought type | |||
---|---|---|---|---|---|---|---|
穗长 Ear length | 穗粗 Ear diameter | 行粒数 Row kernels number | 百粒重 100-kernels weight | ||||
P3-97 | 0.526 7 | 0.467 8 | 0.594 3 | 0.000 0 | 0.415 5 | 24 | 弱 |
DSG426 | 0.613 6 | 0.775 6 | 0.544 6 | 0.394 1 | 0.571 2 | 20 | 中 |
CLYN548 | 0.803 5 | 0.775 6 | 0.355 5 | 0.681 8 | 0.616 0 | 17 | 中 |
Q98 | 0.477 3 | 0.526 3 | 0.388 9 | 0.106 4 | 0.370 5 | 26 | 弱 |
D1101 | 0.926 6 | 0.802 0 | 0.949 7 | 0.870 7 | 0.896 5 | 4 | 强 |
Q935-8 | 0.000 0 | 0.526 3 | 0.556 2 | 0.097 9 | 0.318 6 | 28 | 弱 |
LV99-5 | 0.991 5 | 0.888 2 | 0.779 9 | 0.880 9 | 0.872 5 | 7 | 强 |
Q925-3 | 0.530 9 | 0.614 0 | 0.239 8 | 0.044 9 | 0.334 7 | 27 | 弱 |
D908-5 | 0.500 9 | 0.000 0 | 0.588 3 | 0.292 7 | 0.382 2 | 25 | 弱 |
Q934 | 0.751 3 | 0.637 1 | 0.885 1 | 0.415 0 | 0.696 0 | 15 | 中 |
P508 | 0.791 3 | 0.760 2 | 0.272 0 | 0.474 3 | 0.533 4 | 21 | 中 |
U269-1-3 | 0.594 0 | 0.676 7 | 0.692 1 | 0.383 8 | 0.595 2 | 18 | 中 |
YD2 | 1.000 0 | 0.906 4 | 0.957 4 | 0.926 8 | 0.949 6 | 3 | 强 |
H161 | 0.979 4 | 0.914 1 | 0.772 3 | 0.914 4 | 0.880 2 | 6 | 强 |
P808 | 0.784 2 | 0.760 2 | 0.794 7 | 0.452 4 | 0.705 7 | 14 | 中 |
正103-8 | 0.833 1 | 0.789 5 | 0.230 0 | 0.691 3 | 0.584 7 | 19 | 中 |
Q901 | 0.992 6 | 0.897 8 | 1.000 0 | 0.918 0 | 0.958 7 | 2 | 强 |
D905-4 | 0.933 4 | 0.802 0 | 0.779 0 | 0.796 8 | 0.822 4 | 11 | 强 |
Q934-5 | 0.801 4 | 0.775 6 | 0.976 7 | 0.624 2 | 0.815 0 | 12 | 强 |
D1131-5 | 0.851 4 | 0.802 0 | 0.596 5 | 0.700 1 | 0.718 9 | 13 | 中 |
P9540 | 0.797 4 | 0.775 6 | 0.000 0 | 0.549 5 | 0.462 1 | 23 | 弱 |
VN | 0.999 3 | 0.990 0 | 0.964 8 | 0.999 9 | 0.985 7 | 1 | 强 |
NS-7 | 0.880 4 | 0.813 4 | 0.186 7 | 0.878 6 | 0.628 8 | 16 | 中 |
桂39722 | 0.921 5 | 0.802 0 | 0.845 0 | 0.805 1 | 0.844 2 | 9 | 强 |
桂兆18422 | 0.658 9 | 0.637 1 | 0.434 3 | 0.404 1 | 0.518 3 | 22 | 中 |
D1113 | 0.954 6 | 0.813 4 | 0.806 6 | 0.853 5 | 0.852 0 | 8 | 强 |
SP221 | 0.947 4 | 0.813 4 | 0.890 5 | 0.916 0 | 0.893 7 | 5 | 强 |
先21A | 0.867 5 | 0.789 5 | 0.857 8 | 0.793 8 | 0.831 3 | 10 | 强 |
变异系数CV | 28.93 | 25.75 | 44.11 | 29.96 | - | - | - |
权重系数 Weight coefficient | 0.224 7 | 0.200 0 | 0.342 6 | 0.232 6 | - | - | - |
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