Supplementary Table 1
Basic information of 210 maize inbred lines
Order / Inbreds / Drought resistance / dhnC397 / rspC1090 / Sub / SI value1 / Qi205 / M / G / G / - / -0.18
2 / Ye107 / S / A / A / A / -0.62
3 / Lu2548 / S / G / G / A / -1.03
4 / HC / M / G / G / A / -0.32
5 / Zong31 / M / A / G / A / 0.73
6 / K12 / R / G / G / B / 1.33
7 / Ye478 / M / G / G / A / 0.25
8 / Shen137 / M / G / G / B / 0.28
9 / 803 / M / A / G / A / -0.18
10 / Dhuang212 / S / A / A / B / -0.35
11 / H21 / S / A / A / A / -0.59
12 / 502 / M / A / G / B / 0.40
13 / 444 / S / A / A / B / -0.57
14 / 515 / M / G / G / B / -0.88
15 / Ji853 / M / A / G / B / 0.82
16 / Huangzaosi / M / A / G / B / 0.35
17 / Wenhuang / S / A / A / B / -1.46
18 / Danhuang02 / S / A / A / A / -1.04
19 / 434 / HS / G / G / - / -2.20
20 / Moqun17 / M / G / G / B / 0.19
21 / Yu12 / R / A / G / B / 1.52
22 / Zhonghuang204 / M / A / A / B / -0.34
23 / B73 / R / A / G / A / 0.96
24 / U8112 / R / A / A / A / 0.77
25 / Duohuang29 / S / A / A / B / 0.45
26 / Jinhuang96B / M / A / G / B / 0.44
27 / Zhong451 / M / G / A / A / 0.57
28 / Zhongzi01 / M / A / G / B / 0.16
29 / CN962 / S / A / A / B / -1.51
30 / ZaC546 / S / A / G / B / -1.14
31 / Dong237 / S / A / A / A / -2.25
32 / E28 / M / A / A / A / -0.26
33 / Dong46 / HS / A / A / A / -2.05
34 / Dan340 / M / A / G / A / -0.26
35 / C8605-2 / S / A / A / A / -0.69
36 / Shen5003 / S / G / A / A / -0.59
37 / Shen118 / M / A / G / B / 0.14
38 / Ji53 / HS / A / A / A / -1.93
39 / Hai9-21 / M / A / A / A / -0.52
40 / P138 / M / A / A / B / 0.76
41 / Luyuan133 / M / A / A / B / 0.42
42 / K22 / M / A / G / A / 0.67
43 / Cai11-8 / M / A / A / A / 1.40
44 / SiF1 / M / A / A / B / -0.30
45 / 4379 / M / A / A / A / 0.01
46 / 200B / S / A / A / A / -0.12
47 / Zhong106 / M / A / G / B / 0.09
48 / Luyuan92 / S / G / A / A / -1.35
49 / Zhonghuang68 / M / A / A / A / 0.73
50 / 501 / S / A / A / B / -1.41
51 / CA339 / S / A / G / A / -0.90
52 / Chuan237 / R / A / G / B / 0.51
53 / Chuan321 / M / A / G / A / 1.24
54 / Qi319 / R / A / A / B / 1.13
55 / Zi330 / S / A / A / A / -0.71
56 / Ji412 / S / G / G / B / -0.01
57 / Ji419 / S / G / G / B / -0.25
58 / Ji465 / M / A / A / B / 0.69
59 / Ji477 / R / A / A / A / 2.23
60 / Ji4112 / M / A / A / A / -0.18
61 / Ji63 / S / A / A / A / -1.34
62 / 8415 / M / G / G / A / 0.01
63 / Liao2345 / HS / G / G / A / -2.54
64 / Liao3053 / HR / A / G / A / 2.53
65 / Liao5114 / M / A / A / A / 0.77
66 / Liaobai371 / M / A / G / A / 0.55
67 / Shen136 / M / G / G / B / 0.57
68 / BenM130 / S / A / G / B / -1.11
69 / Dan3130 / M / G / G / B / 0.45
70 / Dan598 / S / G / A / A / -1.37
71 / Dan599 / M / G / G / B / 0.33
72 / He344 / R / G / G / A / 1.19
73 / Dong156 / HS / A / G / A / -4.47
74 / Dong91 / HS / A / A / - / -2.62
75 / Hai014 / HS / A / G / A / -1.15
76 / 3189 / M / G / A / A / 1.25
77 / 81565 / S / A / A / A / -0.69
78 / 196 / M / A / G / B / 0.97
79 / 9046 / M / A / G / A / 0.61
80 / 835 / M / A / A / A / 0.32
81 / CA375 / M / A / G / A / -0.63
82 / CAL70 / S / G / G / A / -0.90
83 / Huangyesi / S / A / A / B / -0.59
84 / 5213 / R / G / G / B / 2.53
85 / Huotanghuang / M / A / G / B / -0.23
86 / Ji846 / M / A / A / B / -0.65
87 / B84 / M / A / A / A / 0.38
88 / 8001 / S / A / A / A / -1.47
89 / Zhonghuang64 / S / A / A / A / -1.40
90 / CA112 / S / G / A / A / -1.56
91 / Pin1P6Co / M / A / G / B / 0.84
92 / 48-2 / S / G / A / A / -1.16
93 / 374 / R / A / G / B / -0.04
94 / Guan17 / R / A / A / B / 1.67
95 / 52106 / HR / A / A / A / 1.57
96 / S37 / S / A / A / A / -2.09
97 / 8002 / S / A / G / B / -1.16
98 / Chuan1073-7 / HS / G / A / A / -1.26
99 / Qi318 / S / A / G / B / -2.05
100 / H10 / S / A / A / A / -1.41
101 / OH43 / M / A / G / A / 0.88
102 / Ji842 / S / G / G / B / -1.80
103 / 706Fu / S / A / G / A / -0.83
104 / 7884 / M / A / A / A / 0.21
105 / BИP44 / HS / A / G / A / -2.04
106 / K10 / HS / G / A / A / -1.69
107 / K14 / M / G / G / A / 0.10
108 / 888-9 / M / G / G / A / 1.07
109 / WF9 / M / G / G / A / 0.58
110 / Zheng22 / S / A / G / A / -0.50
111 / Linxi11 / R / A / G / A / 0.42
112 / S7913 / R / A / G / A / 1.02
113 / Ji1037 / HR / A / G / B / 2.43
114 / Y75 / S / A / G / B / -0.54
115 / J002 / R / A / G / B / 1.36
116 / M3005 / M / G / A / A / 0.85
117 / Si144 / R / A / G / A / 1.44
118 / Si533 / M / A / A / A / 0.42
119 / CML396 / M / A / G / - / -0.15
120 / QB80 / S / A / G / A / -0.52
121 / Han8-3(1263) / - / A / G / B / -
122 / N528-1(1284) / - / A / A / A / -
123 / Zi495 / - / G / G / B / -
124 / 2002F17 / R / G / G / A / 1.08
125 / 6523 / HS / A / G / A / -1.54
126 / C28 / - / G / A / A / -
127 / T8 / - / G / A / A / -
128 / N28 / - / A / A / B / -
129 / Jinhuang59 / - / A / A / B / -
130 / Jinhuang55 / R / A / G / A / 2.53
131 / Ji495 / R / - / G / B / .
132 / Ji818 / M / A / G / A / -0.58
133 / Ji81162 / HS / G / G / A / -1.82
134 / Liao138 / S / A / G / A / -0.13
135 / Liaoju311 / M / A / A / A / -0.71
136 / Lvjiukuan / S / A / A / A / -1.45
137 / Longkang11 / S / A / G / B / -0.72
138 / Ta5 / HS / A / G / B / -1.66
139 / Chang3 / S / G / - / A / -0.95
140 / Dian11 / R / G / G / A / 0.32
141 / 1029 / S / G / A / A / -0.60
142 / M14 / S / - / A / A / .
143 / 698-3 / S / A / A / A / 0.27
144 / W24 / M / G / G / A / 0.11
145 / Yin64 / S / G / A / B / -1.12
146 / Tie7922 / HR / A / - / A / 2.26
147 / Han23 / S / A / A / B / -0.27
148 / Qi209 / S / G / A / B / -0.90
149 / Zhong17 / R / A / G / B / 1.88
150 / Wu314 / S / G / A / B / -0.06
151 / R18 / S / A / A / B / -1.61
152 / CA091 / M / A / G / A / -0.35
153 / MO17 / M / A / G / B / 0.97
154 / CN165 / R / A / G / A / 1.24
155 / Tangsipingtou / M / A / A / B / -0.77
156 / Hongyumi / HS / A / - / A / -1.89
157 / 65232Kuan / M / G / G / A / 0.12
158 / CA156 / M / G / G / A / 0.49
159 / 89-1 / S / A / G / B / -0.45
160 / HZ85 / R / A / G / A / 1.19
161 / Han21 / R / A / A / B / 1.84
162 / ES40 / M / A / G / A / 0.17
163 / SH15 / M / A / A / B / -0.36
164 / 8902 / M / A / A / A / 0.10
165 / H201 / S / A / A / B / -1.76
166 / J001 / R / A / G / B / 1.59
167 / Si273 / M / A / G / A / -0.25
168 / Si287 / R / A / A / B / 0.72
169 / Si387 / M / A / A / A / 0.60
170 / DP62-7 / - / - / A / - / -
171 / CML206 / S / G / A / A / -0.59
172 / CML292 / M / A / G / A / 0.14
173 / CML51 / M / G / A / A / -0.10
174 / LX9801 / R / A / A / B / 1.46
175 / Chang7-2 / M / G / A / B / 0.18
176 / CA335 / S / A / G / A / -0.52
177 / Zheng58 / M / G / G / A / -0.52
178 / 7165-1 / HS / G / A / A / -1.86
179 / 7167-1 / HS / A / A / A / 0.25
180 / 7379-2 / S / A / G / A / -0.63
181 / X178 / R / A / G / B / 1.48
182 / 7537-1 / R / A / G / A / 1.36
183 / 7595-2 / S / A / G / A / -0.28
184 / 77 / S / A / G / A / -0.87
185 / Zao49 / S / G / A / B / -1.89
186 / Te70 / M / A / A / A / 0.19
187 / F22 / - / - / G / - / -
188 / BJ005 / R / G / A / A / 0.67
189 / Liao68 / R / A / G / B / 0.68
190 / Y7 / M / A / G / B / 0.61
191 / Sizhisi / M / A / G / B / 0.79
192 / Xinzi153-2 / - / G / A / A / -
193 / Xinzi218 / R / - / G / A / -
194 / H3 / M / A / A / A / 0.20
195 / H152 / M / A / G / B / 1.11
196 / Zhongmiao28 / R / A / G / B / 2.27
197 / PI10 / S / G / A / A / -0.68
198 / TZI8 / R / A / G / A / 1.36
199 / B104 / S / - / A / A / -
200 / 31778 / S / A / G / B / -0.43
201 / Zhongzong4C1-3 / M / G / G / - / -0.35
202 / Zheng28 / R / A / G / A / 0.75
203 / L102 / R / G / G / B / 1.59
204 / Zheng30 / HS / A / A / B / -1.58
205 / 5022(B) / R / A / - / A / 1.20
206 / Zheng29 / R / A / A / A / 0.70
207 / Du321 / R / A / G / A / 1.23
208 / PI42 / M / G / A / B / 0.19
209 / PI143 / R / A / G / B / 1.63
210 / M0113 / S / A / G / A / -0.60
Degree of drought resistance is classified into five levels as shown in Table 2; In dhnC397 and rspC1090, A genotype of dhn1 gene (drought resistant allele), G genotype of dhn1 gene (drought susceptible allele), G genotype of rsp41 gene (drought resistant allele), A genotype of rsp41 gene (drought susceptible allele), Sub subpopulation classified by population structure analysis, A Heterotic Group A, B Heterotic Group B; “-“ means missing data.