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Acta Agronomica Sinica ›› 2023, Vol. 49 ›› Issue (8): 2308-2318.doi: 10.3724/SP.J.1006.2023.24201

• RESEARCH NOTES • Previous Articles    

High motif EST-SSR markers development and genetic diversity evaluation for 200 core germplasms in proso millet

WANG Qian1,2(), ZHANG Li-Yuan3, XU Yue4, LI Hai5, LIU Shao-Xiong2, XUE Ya-Peng1,2, LU Ping2, WANG Rui-Yun1,*(), LIU Min-Xuan2,*()   

  1. 1 College of Agronomy, Shanxi Agricultural University, Taigu 030801, Shanxi, China
    2 Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    3 Chifeng Academy of Agricultural and Animal Husbandry Sciences, Chifeng 024031, Inner Mongolia, China
    4 College of Life Sciences, Jilin University, Changchun 130012, Jilin, China
    5 Institute of High Latitude Crops, Shanxi Agricultural University, Datong 037008, Shanxi, China
  • Received:2022-08-31 Accepted:2023-02-13 Online:2023-08-12 Published:2023-02-28
  • Contact: WANG Rui-Yun,LIU Min-Xuan E-mail:457836483@qq.com;wry925@126.com;liuminxuan@caas.cn
  • Supported by:
    China Agriculture Research System of MOF and MARA(CARS-06-14.5-A2);Protection and Utilization for Crop Germplasm Resources(2022NWB036-06);Agricultural Science and Technology Innovation Program of the Chinese Academy of Agricultural Sciences, the Natural Science Foundation of Jilin Province(20200201153JC);Earmarked Fund for Modern Agro-industry Technology Research System(2023CYJSTX03-12)

Abstract:

The objective of this study is to clarify the genetic background for the core germplasm resources of proso millet and to evaluate the genetic diversity from different ecological regions in China. To provide a basis for accelerating proso millet breeding process and mining excellent germplasm, a new high motif EST-SSR markers were developed. In this study, 200 high motif EST-SSR markers were developed based on transcriptome sequencing results, and used to evaluate the genetic diversity for 200 core germplasm accessions of proso millet. Results showed that 52 of the 200 markers were polymorphic in 6 proso millet accessions with significant geographical differences, with the development efficiency of 26%, including 17 tetra-nucleotide repeat SSRs (32.7%), 17 penta-nucleotide repeat ones (32.7%), and 18 hexa-nucleotide repeat ones (34.6%). Among the examined 200 accessions, a total of 129 observed alleles were detected in 52 loci, changed 2-3 alleles at each locus. The Shannon diversity index was 0.3093-1.0910, with an average of 0.7277. The polymorphism information content was 0.1948-0.8211, with an average of 0.5104. Based on UPGMA, the 200 proso millet accessions were divided into six groups. Based on Structure (K=7), proso millet were mainly from four gene pools in Northeast, Northern, Loess Plateau, and North China. Based on principal component analysis, the accessions were classified into six clusters, consistent with the geographic region. This study constructed a set of 52 tetra-, penta- and hexa-nucleotide repeat EST-SSR markers, with the efficiency of 26%. Based on the above markers, genetic diversity of proso millet for landrace core germplasm was abundant.

Key words: proso millet, core germplasm, high motif EST-SSR, genetic diversity, population structure

Table 1

Distribution of proso millet accessions in ecotope area"

生态区
Ecotope
来源省份
Province
数量
Accession number
合计
Total
东北春糜子区
Northeast spring-sowing ecotope (NES)
黑龙江 Heilongjiang, China 11 28
吉林 Jilin, China 9
辽宁 Liaoning, China 6
内蒙古 Inner Mongolia, China 2
华北夏糜子区
Northern summer-sowing ecotope (NSU)
河北 Hebei, China 8 23
江苏 Jiangsu, China 2
山东 Shandong, China 13
北方春糜子区
Northern spring-sowing ecotope (NSP)
北京 Beijing, China 1 63
青海 Qinghai, China 1
甘肃 Gansu, China 11
河北 Hebei, China 7
辽宁 Liaoning, China 1
内蒙古 Inner Mongolia, China 10
宁夏 Ningxia, China 6
陕西 Shaanxi, China 11
山西 Shanxi, China 15
黄土高原春夏糜子区
Loess plateau spring & summer-sowing ecotope (LPSS)
甘肃 Gansu, China 16 67
河北 Hebei, China 4
宁夏 Ningxia, China 3
青海 Qinghai, China 8
山西 Shanxi, China 23
陕西 Shaanxi, China 13
西北春夏糜子区
Northwest spring & summer-sowing ecotope (NWSS)
新疆 Xinjiang, China 12 12
其他糜子区
Other sowing ecotope (OSP)
海南 Hainan, China 3 7
湖北 Hubei, China 1
云南 Yunnan, China 1
青海 Qinghai, China 1
西藏 Tibet, China 1
合计 Total 200 200

Table S1

Information of 200 broomcorn millet accessions"

序号
Number
统一编号
Unicode
生态区
Ecotope
材料名称
Material name
材料来源
Material source
备注
Remark
1 00000022 NES 大粒糜子 Dalimizi 黑龙江克山Keshan, Heilongjiang 地方品种 Landrace
2 00000071 NES 鹅头糜子 Etoumizi 黑龙江杜旗 Duqi, Heilongjiang 地方品种 Landrace
3 00000082 NES 黄糜子 Huangmizi 黑龙江富锦 Fujin, Heilongjiang 地方品种 Landrace
4 00000101 NES 白糜子 Baimizi 黑龙江桦川 Yechuan, Heilongjiang 地方品种 Landrace
5 00000121 NES 红鹌鹑尾 Honganchunwei 黑龙江密山 Mishan, Heilongjiang 地方品种 Landrace
6 00000149 NES 小麦糜子 Xiaomaimizi 黑龙江林口 Linkou, Heilongjiang 地方品种 Landrace
7 00000151 NES 大红袍 Dahongpao 黑龙江鸡西 Jixi, Heilongjiang 地方品种 Landrace
8 00000183 NES 黑糜子 Heimizi 黑龙江宁安 Ningan, Heilongjiang 地方品种 Landrace
9 00000201 NES 粘糜子 Nianmizi 黑龙江通河 Tonghe, Heilongjiang 地方品种 Landrace
10 00000221 NES 葡萄青 Putaoqing 黑龙江五常 Wuchang, Heilongjiang 地方品种 Landrace
11 00006457 NES 2048 黑龙江嫩江 Nenjiang, Heilongjiang 地方品种 Landrace
12 00000330 NES 黎糜子 Limizi 吉林镇赉 Zhenlai, Jilin 地方品种 Landrace
13 00000333 NES 黄糜子 Huangmizi 吉林白城 Baicheng, Jilin 地方品种 Landrace
14 00000388 NES 黑糜子 Heimizi 吉林安图 Antu, Jilin 地方品种 Landrace
15 00000395 NES 红壳粘糜子 Hongkenianmizi 吉林柳河 Liuhe, Jilin 地方品种 Landrace
16 00000405 NES 黑糜子 Heimizi 吉林通化 Tonghua, Jilin 地方品种 Landrace
17 00004228 NES 黑糜子(黍) Heimizi (shu) 吉林永吉 Yongji, Jilin 地方品种 Landrace
18 00005671 NES 扶余白糜子 Fuyubaimizi 吉林扶余 Fuyu, Jilin 地方品种 Landrace
19 00005700 NES 翰章黄糜子 Hanzhanghuangmizi 吉林敦化 Dunhua, Jilin 地方品种 Landrace
20 00005708 NES 千沟黄糜子 Qiangouhuangmizi 吉林通化 Tonghua, Jilin 地方品种 Landrace
21 00000414 NES 康平散穗 Kangpingsansui 辽宁康平 Kangping, Liaoning 地方品种 Landrace
22 00000416 NES 清源褐糜子 Qingyuanhemizi 辽宁清源 Qingyuan, Liaoning 地方品种 Landrace
23 00000418 NES 新宾黑糜子 Xinbinheimizi 辽宁新宾 Xinbin, Liaoning 地方品种 Landrace
24 00000436 NES 黄糜子 Huangmizi 辽宁辽中 Liaozhong, Liaoning 地方品种 Landrace
25 00000454 NES 蚂蚱眼 Mazhayan 辽宁海城 Haicheng, Liaoning 地方品种 Landrace
26 00000475 NES 金县黄糜子 Jinxianhuangmizi 辽宁辽金 Liaojin, Liaoning 地方品种 Landrace
27 00000478 NES 黄旗糜子 Huangqimizi 内蒙古呼盟莫旗 Humengmoqi, Inner Mongolia 地方品种 Landrace
28 00006523 NES 黄黍 Huangshu 内蒙古东三盟 Dongsanmeng, Inner Mongolia 地方品种 Landrace
29 00000819 NSU 黑黍子 Heishuzi 河北抚宁 Funing, Hebei 地方品种 Landrace
30 00000822 NSU 粘黍子 Nianshuzi 河北雄县 Xiongxian, Hebei 地方品种 Landrace
31 00006159 NSU 蚂蚱眼 Mazhayan 河北宽城 Kuancheng, Hebei 地方品种 Landrace
32 00006234 NSU 河间白黍子 Hejianbaishuzi 河北河间 Hejian, Hebei 地方品种 Landrace
33 00006248 NSU 小红黍 Xiaohongshu 河北南皮 Nanpi, Hebei 地方品种 Landrace
34 00006257 NSU 青龙黄黍子 Qinglonghuangshuzi 河北青龙 Qinglong, Hebei 地方品种 Landrace
35 00007131 NSU 白黍子 Baishuzi 河北三河 Sanhe, Hebei 地方品种 Landrace
36 00007220 NSU 白黍子 Baishuzi 河北南宫 Nangong, Hebei 地方品种 Landrace
37 00004200 NSU 黄稷子 Huangjizi 江苏铜山 Tongshan, Jiangsu 地方品种 Landrace
38 00004203 NSU 白稷子 Baijizi 江苏淮阴 Huaiyin, Jiangsu 地方品种 Landrace
39 00004361 NSU 大白柳条子 Dabailiutiaozi 山东禹城 Yucheng, Shandong 地方品种 Landrace
40 00004366 NSU 黑黍子 Heishuzi 山东齐河 Qihe, Shandong 地方品种 Landrace
41 00004368 NSU 白粒黍 Bailishu 山东邹平 Zouping, Shandong 地方品种 Landrace
42 00004376 NSU 牛尾巴 Niuweiba 山东章丘 Zhangqiu, Shandong 地方品种 Landrace
43 00004411 NSU 蚂蚱眼 Mazhayan 山东益都 Yidu, Shandong 地方品种 Landrace
44 00004415 NSU 白黍子 Baishuzi 山东临朐 Linqu, Shandong 地方品种 Landrace
45 00004433 NSU 苏子白 Suzibai 山东平度 Pingdu, Shandong 地方品种 Landrace
46 00004440 NSU 白银黍子 Baiyinshuzi 山东福山 Fushan, Shandong 地方品种 Landrace
47 00004486 NSU 红谷腿 Honggutui 山东临沂 Linyi, Shandong 地方品种 Landrace
48 00004614 NSU 大粘穗 Daniansui 山东东阿 Dong’e, Shandong 地方品种 Landrace
49 00005169 NSU 黑稷子 Heijizi 山东巨野 Juye, Shandong 地方品种 Landrace
50 00005191 NSU 塞盖德斯 Saigaidesi 山东中匈机站 Zhongxiongjizhan, Shandong 地方品种 Landrace
51 00006609 NSU 老来黑 Laolaihei 山东潍坊 Weifang, Shandong 地方品种 Landrace
52 00006029 NSP 黄黍子 Huangshuzi 北京延庆 Yanqing, Beijing 地方品种 Landrace
53 00002677 NSP 高台乌糜子 Gaotaiwumizi 甘肃高台 Gaotai, Gansu 地方品种 Landrace
54 00002684 NSP 张掖老黄糜子 Zhangyelaohuangmizi 甘肃张掖 Zhangye, Gansu 地方品种 Landrace
55 00002687 NSP 民乐红糜子Minlehongmizi 甘肃民乐 Minle, Gansu 地方品种 Landrace
56 00002712 NSP 景泰疙瘩红 Jingtaigedahong 甘肃景泰 Jingtai, Gansu 地方品种 Landrace
57 00002741 NSP 永登小黑糜 Yongdengxiaoheimi 甘肃永登 Yongdeng, Gansu 地方品种 Landrace
58 00002878 NSP 60天紫秆红小糜 60tianziganhongxiaomi 甘肃环县 Huanxian, Gansu 地方品种 Landrace
59 00002901 NSP 华池黄草红糜子 Huachihuangcaohongmizi 甘肃华池 Huachi, Gansu 地方品种 Landrace
60 00002930 NSP 宁县竹叶青黄硬糜 Ningxianzhuyeqinghuangyingmi 甘肃宁县 Ningxian, Gansu 地方品种 Landrace
61 00004314 NSP 正宁红粘糜(黍) Zhengninghongnianmi (shu) 甘肃正宁 Zhengning, Gansu 地方品种 Landrace
62 00004985 NSP 庆阳饿死牛 Qingyangesiniu 甘肃庆阳 Qingyang, Gansu 地方品种 Landrace
63 00006682 NSP 古浪半个红 Gulangbangehong 甘肃古浪 Gulang, Gansu 地方品种 Landrace
64 00000755 NSP 小红黍 Xiaohongshu 河北尚义 Shangyi, Hebei 地方品种 Landrace
65 00000756 NSP 小黍子 Xiaoshuzi 河北崇礼 Chongli, Hebei 地方品种 Landrace
66 00000792 NSP 五咀子 Wujuzi 河北涿鹿 Zhuolu, Hebei 地方品种 Landrace
67 00000804 NSP 骨都白 Gudoubai 河北蔚县 Yuxian, Hebei 地方品种 Landrace
68 00006175 NSP 大黄黍 Dahuangshu 河北赤城 Chicheng, Hebei 地方品种 Landrace
69 00006200 NSP 大紫秆 Dazigan 河北蔚县 Yuxian, Hebei 地方品种 Landrace
70 00007071 NSP 黍米(糜) Shumi (mi) 河北承德 Chengde, Hebei 地方品种 Landrace
71 00000437 NSP 大红黍 Dahongshu 辽宁朝阳 Chaoyang, Liaoning 地方品种 Landrace
72 00000525 NSP 巴林左疙塔黍 Balinzuogedashu 内蒙古昭盟巴林左旗 Zhaomengbalinzuoqi, Inner Mongolia 地方品种 Landrace
73 00000569 NSP 五原黑黍子 Wuyuanheishuzi 内蒙古巴盟五原Bamengwuyuan, Inner Mongolia 地方品种 Landrace
74 00000634 NSP 达旗大白黍 Daqidabaishu 内蒙古伊盟达旗Yimengdaqi, Inner Mongolia 地方品种 Landrace
75 00002062 NSP 开鲁板黄糜 Kailubanhuangmi 内蒙古哲盟开鲁 Zhemengkailu, Inner Mongolia 地方品种 Landrace
76 00002155 NSP 丰镇大白糜 Fengzhendabaimi 内蒙古乌盟丰镇 Wumengfengzhen, Inner Mongolia 地方品种 Landrace
77 00002416 NSP 准旗紫秆红糜 Zhunqiziganhongmi 内蒙古伊盟准旗 Yimengzhunqi, Inner Mongolia 地方品种 Landrace
78 00004267 NSP 小白黍 Xiaobaishu 内蒙古锡盟多伦 Ximengduolun, Inner Mongolia 地方品种 Landrace
79 00005839 NSP 2375356 内蒙古伊盟农科所Yimeng Institute of Agricultural Sciences, Inner Mongolia 地方品种 Landrace
80 00005927 NSP 小红黍 Xiaohongshu 内蒙古翁旗 Wengqi, Inner Mongolia 地方品种 Landrace
81 00006528 NSP 内黍一点红 Neishuyidianhong 内蒙古乌锡盟呼包Wuximenghubao, Inner Mongolia 地方品种 Landrace
82 00000702 NSP 惠农黄粘黍 Huinonghuangnianshu 宁夏平罗Pingluo, Ningxia 地方品种 Landrace
83 00002527 NSP 红糜子 Hongmizi 宁夏贺兰 Helan, Ningxia 地方品种 Landrace
84 00002554 NSP 灵武70天 Lingwu70tian 宁夏灵武 Lingwu, Ningxia 地方品种 Landrace
85 00002569 NSP 吴忠大粟 Wuzhongdasu 宁夏吴忠 Wuzhong, Ningxia 地方品种 Landrace
86 00002581 NSP 池白糜子 Chibaimizi 宁夏盐池 Yanchi, Ningxia 地方品种 Landrace
87 00002583 NSP 密穗红 Misuihong 宁夏中卫 Zhongwei, Ningxia 地方品种 Landrace
88 00005582 NSP 糜子 Mizi 青海互助 Huzhu, Qinghai 地方品种 Landrace
89 00000845 NSP 老来红 Laolaihong 山西大同 Datong, Shanxi 地方品种 Landrace
90 00000855 NSP 疙塔白 Gedabai 山西广灵 Guangling, Shanxi 地方品种 Landrace
91 00000936 NSP 跳蚤黍 Tiaozaoshu 山西朔州 Shuozhou, Shanxi 地方品种 Landrace
92 00000957 NSP 污咀黍 Wujushu 山西灵丘 Lingqiu, Shanxi 地方品种 Landrace
93 00000991 NSP 小白黍 Xiaobaishu 山西左云 Zuoyun, Shanxi 地方品种 Landrace
94 00001055 NSP 鸡冠黍 Jiguanshu 山西平鲁 Pinglu, Shanxi 地方品种 Landrace
95 00001121 NSP 黄罗黍 Huangluoshu 山西保德 Baode, Shanxi 地方品种 Landrace
96 00001128 NSP 葡萄黍 Putaoshu 山西原平 Pingyuan, Shanxi 地方品种 Landrace
97 00001144 NSP 灰脸蛋黍 Huiliandanshu 山西偏关 Pianguan, Shanxi 地方品种 Landrace
98 00001182 NSP 小白粘糜子 Xiaobainianmizi 山西五台 Wutai, Shanxi 地方品种 Landrace
99 00001596 NSP 紫秆白黍 Ziganbaishu 山西府谷 Fugu, Shanxi 地方品种 Landrace
100 00003167 NSP 小青糜 Xiaoqingmi 山西浑源 Hunyuan, Shanxi 地方品种 Landrace
101 00003177 NSP 花糜 Huami 山西阳高 Yanggao, Shanxi 地方品种 Landrace
102 00003237 NSP 小黄黍 Xiaohuangshu 山西右玉 Youyu, Shanxi 地方品种 Landrace
103 00003289 NSP 紫秆黍 Ziganshu 山西繁峙 Fanshi, Shanxi 地方品种 Landrace
104 00001601 NSP 紫秆红黍 Ziganhongshu 陕西神木 Shenmu, Shaanxi 地方品种 Landrace
105 00001619 NSP 稗穗糜 Baiisuimi 陕西榆林 Yulin, Shaanxi 地方品种 Landrace
106 00001646 NSP 圪堵穗红软糜 Gedusuihongruanmi 陕西靖边 Jingbian, Shaanxi 地方品种 Landrace
107 00001665 NSP 大红糜 Dahongmi 陕西定边 Dingbian, Shaanxi 地方品种 Landrace
108 00001683 NSP 黄软糜 Huangruanmi 陕西佳县 Jiaxian, Shaanxi 地方品种 Landrace
109 00001751 NSP 懒老波 Lanlaobo 陕西清涧 Qingjian, Shaanxi 地方品种 Landrace
110 00001768 NSP 白软糜 Bairuanmi 陕西子长 Zichang, Shaanxi 地方品种 Landrace
111 00001785 NSP 黑软糜 Heiruanmi 陕西志丹 Zhidan, Shaanxi 地方品种 Landrace
112 00001798 NSP 焦顶软糜 Jiaodingruanmi 陕西延川 Yanchuan, Shaanxi 地方品种 Landrace
113 00003586 NSP 黑糜子 Heimizi 陕西府谷 Fugu, Shaanxi 地方品种 Landrace
114 00004704 NSP 白壳糜(黍) Baikemi (shu) 陕西吴堡 Wubao, Shaanxi 地方品种 Landrace
115 00000710 LPSS 皋兰鸭蛋青 Gaolanyadanqing 甘肃皋兰 Gaolan, Gansu 地方品种 Landrace
116 00000711 LPSS 靖远中堡青糜 Jingyuanzhongbaoqingmi 甘肃靖远 Jingyuan, Gansu 地方品种 Landrace
117 00000741 LPSS 泾川小白糜 Jingchuanxiaobaimi 甘肃泾川 Jingchuan, Gansu 地方品种 Landrace
118 00000742 LPSS 灵合红粘糜 Linghehongnianmi 甘肃灵台 Lingtai, Gansu 地方品种 Landrace
119 00000744 LPSS 平凉大红糜 Pingliangdahongmi 甘肃平凉 Pingliang, Gansu 地方品种 Landrace
120 00000745 LPSS 华亭糯糜子Huatingnuomizi 甘肃华亭 Huating, Gansu 地方品种 Landrace
121 00000746 LPSS 静宁红然糜 Jingninghongranmi 甘肃静宁 Jingning, Gansu 地方品种 Landrace
122 00000747 LPSS 清水粘糜子 Qingshuinianmizi 甘肃清水 Qingshui, Gansu 地方品种 Landrace
123 00000748 LPSS 甘谷黑蝉背 Ganguheichanbei 甘肃甘谷 Gangu, Gansu 地方品种 Landrace
124 00000749 LPSS 永静黑糜子 Yongjingheimizi 甘肃永靖 Yongjing, Gansu 地方品种 Landrace
125 00002800 LPSS 靖远紫秆红 Jingyuanziganhong 甘肃兰州 Lanzhou, Gansu 地方品种 Landrace
126 00002820 LPSS 会宁保安红 Huiningbaoanhong 甘肃会宁 Huining, Gansu 地方品种 Landrace
127 00002976 LPSS 崇信鸡蛋皮 Chongxinjidanpi 甘肃崇信 Chongxin, Gansu 地方品种 Landrace
128 00003039 LPSS 东乡朵麻糜 Dongxiangduomami 甘肃东乡 Dongxiang, Gansu 地方品种 Landrace
129 00003041 LPSS 广河黄糜 Guanghehuangmi 甘肃广河 Guanghe, Gansu 地方品种 Landrace
130 00005008 LPSS 张川麻糜子 Zhangchuanmamizi 甘肃张川 Zhangchuan, Gansu 地方品种 Landrace
131 00000815 LPSS 黑糜子 Heimizi 河北平山 Pingshan, Hebei 地方品种 Landrace
132 00000825 LPSS 高粱黍 Gaoliangshu 河北束鹿 Shulu, Hebei 地方品种 Landrace
133 00006253 LPSS 黍子 Shuzi 河北赵县 Zhaoxian, Hebei 地方品种 Landrace
134 00006310 LPSS 紫秸白 Ziganbai 河北曲阳Quyang, Hebei 地方品种 Landrace
135 00002614 LPSS 小黄糜子 Xiaohuangmizi 宁夏海原 Haiyuan, Ningxia 地方品种 Landrace
136 00002625 LPSS 红河黑糜子 Hongheheimizi 宁夏固原 Guyuan, Ningxia 地方品种 Landrace
137 00002641 LPSS 西吉小黄糜 Xijixiaohuangmi 宁夏西吉 Xiji, Ningxia 地方品种 Landrace
138 00005529 LPSS 虼蚤糜 Gezaomi 青海化隆 Hualong, Qinghai 地方品种 Landrace
139 00005532 LPSS 大黄糜 Dahuangmi 青海民和 Minhe, Qinghai 地方品种 Landrace
140 00005571 LPSS 红糜子 Hongmizi 青海西宁 Xining, Qinghai 地方品种 Landrace
141 00005572 LPSS 蚤糜 Zaomi 青海循化 Xunhua, Qinghai 地方品种 Landrace
142 00005583 LPSS 黑子 Heizi 青海贵德 Guide, Qinghai 地方品种 Landrace
143 00005586 LPSS 小青糜 Xiaoqingmi 青海贵南 Guinan, Qinghai 地方品种 Landrace
144 00007420 LPSS 金糜子 Jinmizi 青海乐都 Ledu, Qinghai 地方品种 Landrace
145 00007478 LPSS 白圪塔糜 Baigedami 青海湟中 Huangzhong, Qinghai 地方品种 Landrace
146 00001219 LPSS 金软黍 Jinruanshu 山西太原 Taiyuan, Shanxi 地方品种 Landrace
147 00001251 LPSS 小黑黍 Xiaoheishu 山西榆次 Yuci, Shanxi 地方品种 Landrace
148 00001283 LPSS 条帚软糜 Tiaozhouruanshu 山西平遥 Pingyao, Shanxi 地方品种 Landrace
149 00001331 LPSS 狗尾蛋 Gouweidan 山西介休 Jiexiu, Shanxi 地方品种 Landrace
150 00001338 LPSS 大红糜子 Dahongmizi 山西榆社 Yushe, Shanxi 地方品种 Landrace
151 00001348 LPSS 黑条帚糜 Heitiaozhoumi 山西离石 Lishi, Shanxi 地方品种 Landrace
152 00001426 LPSS 软黍 Ruanshu 山西沁县 Qinxian, Shanxi 地方品种 Landrace
153 00001453 LPSS 软糜子 Ruanmizi 山西临汾 Linfen, Shanxi 地方品种 Landrace
154 00001467 LPSS 白黍 Baishu 山西古县 Guxian, Shanxi 地方品种 Landrace
155 00001474 LPSS 珍珠连软糜 Zhenzhulianruanmi 山西襄垣 Xiangyuan, Shanxi 地方品种 Landrace
156 00001478 LPSS 软黍 Ruanshu 山西曲沃 Quwo, Shanxi 地方品种 Landrace
157 00001500 LPSS 黑灰软黍 Heihuiruanshu 山西浮山 Fushan, Shanxi 地方品种 Landrace
158 00001517 LPSS 软黍谷 Ruanshugu 山西翼城 Yicheng, Shanxi 地方品种 Landrace
159 00001528 LPSS 黑软黍 Heiruanshu 山西吉县 Jixian, Shanxi 地方品种 Landrace
160 00001530 LPSS 红糜子 Hongmizi 山西汾西 Fenxi, Shanxi 地方品种 Landrace
161 00001547 LPSS 白黍 Baishu 山西运城 Yuncheng, Shanxi 地方品种 Landrace
162 00001553 LPSS 黑黍 Heishu 山西夏县 Xiaxian, Shanxi 地方品种 Landrace
163 00001559 LPSS 红软黍 Hongruanshu 山西稷山 Jishan, Shanxi 地方品种 Landrace
164 00001581 LPSS 白软黍 Bairuanshu 山西闻喜 Wenxi, Shanxi 地方品种 Landrace
165 00003368 LPSS 黍子 Shuzi 山西寿阳 Shouyang, Shanxi 地方品种 Landrace
166 00003376 LPSS 黄硬黍 Heiyingshu 山西和顺 Heshun, Shanxi 地方品种 Landrace
167 00003405 LPSS 白糜子 Baimizi 山西汾阳 Fenyang, Shanxi 地方品种 Landrace
168 00003561 LPSS 当地糜 Dangdimi 山西平陆 Pinglu, Shanxi 地方品种 Landrace
169 00001812 LPSS 小红软糜 Xiaohongruanmi 陕西延安 Yan’an, Shaanxi 地方品种 Landrace
170 00001839 LPSS 扫帚软糜 Saozhouruanmi 陕西宜川 Yichuan, Shaanxi 地方品种 Landrace
171 00001852 LPSS 洼黑红软糜 Waheihongruanmi 陕西洛川 Luochuan, Shaanxi 地方品种 Landrace
172 00001877 LPSS 黄鼠吊 Huangshudiao 陕西澄城 Chengcheng, Shaanxi 地方品种 Landrace
173 00001897 LPSS 红糜 Hongmi 陕西大荔Dali, Shaanxi 地方品种 Landrace
174 00001908 LPSS 白鹁鸽蛋 Baibogedan 陕西渭南 Weinan, Shaanxi 地方品种 Landrace
175 00001938 LPSS 灰麻糜 Huimami 陕西陇县 Longxian, Shaanxi 地方品种 Landrace
176 00001951 LPSS 黄黍子 Huangshuzi 陕西平利 Pingli, Shaanxi 地方品种 Landrace
176 00001967 LPSS 回茬黄糜 Huichahuangmi 陕西商南 Shangnan, Shaanxi 地方品种 Landrace
178 00004800 LPSS 红糜(黍) Hongmi (shu) 陕西旬邑 Xunyi, Shaanxi 地方品种 Landrace
179 00005452 LPSS 夯糜子 Hangmizi 陕西黄陵 Huangling, Shaanxi 地方品种 Landrace
180 00005459 LPSS 黑糜子 Heimizi 陕西宜君 Yijun, Shaanxi 地方品种 Landrace
181 00005472 LPSS 枭头糜 Xiaotoumi 陕西旭县 Xuxian, Shaanxi 地方品种 Landrace
182 00000750 NWSS 白糜子 Baimizi 新疆沙湾 Shawan, Xinjiang 地方品种 Landrace
183 00003053 NWSS 杂糜子 Zamizi 新疆青河 Qinghe, Xinjiang 地方品种 Landrace
184 00003054 NWSS 糜子 Mizi 新疆阿勒泰 Ataile, Xinjiang 地方品种 Landrace
185 00003056 NWSS 黄糜子 Huangmizi 新疆哈巴河 Habahe, Xinjiang 地方品种 Landrace
186 00003059 NWSS 黄糜子 Huangmizi 新疆吉木乃 Jimunai, Xinjiang 地方品种 Landrace
187 00003072 NWSS 额敏红糜 Eminhongmi 新疆额敏 Emin, Xinjiang 地方品种 Landrace
188 00003076 NWSS 糜子 Mizi 新疆巴里坤 Balikun, Xinjiang 地方品种 Landrace
189 00003083 NWSS 花糜子 Huamizi 新疆阜康 Fukang, Xinjiang 地方品种 Landrace
190 00003091 NWSS 黄糜子 Huangmizi 新疆玛纳斯 Manasi, Xinjiang 地方品种 Landrace
191 00003111 NWSS 红糜 Hongmi 新疆特克斯 Tekesi, Xinjiang 地方品种 Landrace
192 00003117 NWSS 黄糜 Huangmi 新疆伊宁 Yining, Xinjiang 地方品种 Landrace
193 00003127 NWSS 糜 Mi 新疆拜城 Baicheng, Xinjiang 地方品种 Landrace
194 00006650 OSP 金色黍 Jinseshu 海南临高 Lingao, Hainan 地方品种 Landrace
195 00006651 OSP S02036 海南琼山 Qiongshan, Hainan 地方品种 Landrace
196 00006652 OSP 金黍 Jinshu 海南定安 Anding, Hainan 地方品种 Landrace
197 00005817 OSP 单尾巴糯 Danweibanuo 湖北 Hubei 地方品种 Landrace
198 00005818 OSP 白黍 Baishu 云南 Yunnan 地方品种 Landrace
199 00005581 OSP 小糜子 Xiaomizi 青海共和 Gonghe, Qinghai 地方品种 Landrace
200 00006681 OSP 札达糜 Zandami 西藏札达 Zanda, Tibet 地方品种 Landrace

Table 2

Screening EST-SSR primers of proso millet accessions"

序号
Number
统一编号
Unicode
材料名称
Material name
来源省份
Province
1 00000022 大粒糜子 Dalimeizi 黑龙江克山 Keshan, Heilongjiang, China
2 00003053 杂糜子 Zameizi 新疆青河 Qinghe, Xinjiang, China
3 00004366 黑黍子 Heishuzi 山东齐河 Qihe, Shandong, China
4 00005571 红糜子 Hongmeizi 青海西宁 Xining, Qinghai, China
5 00005818 白黍 Baishu 云南 Yunnan, China
6 00006650 金色黍 Jinseshu 海南临高 Lingao, Hainan, China

Table S2

Polymorphism SSR primers sequences and annealing temperatures"

位点
Locus
正向引物
Forward primer (5'-3')
退火温度
Tm (℃)
反向引物
Reverse primer (5'-3')
退火温度
Tm (℃)
重复基序
Repeated motif
BMGJY1 CCTGATTCCGCCAATAAAAA 59.9 GCGGCTAGCTATCACTGACC 60.0 (GGAGCT)5
BMGJY5 ATTTCCTCTCGCCTGTCCAT 61.0 TACCAGCAGCAGGAGAGACC 60.6 (CGCCCC)5
BMGJY11 TGGCAAATCTTGAACCACAA 60.1 TGGAGGATCATCTCGGTCAT 60.4 (AATCTG)5
BMGJY12 CCTGCAGACTCCAAGACACA 60.0 TTGTGCTCCGTCTCCTTCTT 60.0 (AAGGAG)7
BMGJY19 ATGGCTCGCGAGAGGAAG 61.6 CCAGGCTCTTGGTCAGGTAG 59.9 (CTGGCC)5
BMGJY23 ATGAGGACGACGAAGAGGAG 59.4 CCAAGCACGCATACACATTC 60.1 (CGAGGA)5
BMGJY24 ACAGCTGTGCTCTCTGTGGA 59.8 CATCAGCCAACTCCATCTCA 59.8 (GATGAA)7
BMGJY25 TATAGCTTGCTCCCTCGCTC 59.7 GGCCATTGTTAAGTTGGTGG 60.2 (TTGCAG)5
BMGJY29 TCTGAGCTTGAGCGGCTAAT 60.3 AGATCCTTGGGTAGGCCAGT 60.0 (GGAAGT)6
BMGJY33 TGACACACCTGCAAGAAACC 59.7 TCTTCACCATCCTCTTCCTCA 59.8 (GATGAG)7
BMGJY36 TCTCTTACTCCCATCCCGAA 59.6 TAGAGTGGAGAAGGGGAGCA 59.9 (CGCCTC)6
BMGJY44 ATTTGCCCACTGGATCAGAC 59.9 GGAGGTGGTAGTAGGGCTCC 60.0 (GCACAG)5
BMGJY45 TGACAGATGGAAATGGCGTA 60.1 TGACTGAGATTGCTGCCAAC 60.0 (CGACTC)6
BMGJY46 TGGAGCTGCTTATGATGCAC 60.0 CCAGCTCTAAGAACAACGCA 59.2 (AGTTGC)7
BMGJY50 CCCAAACCAATCCAACAACT 59.7 GTAATGGAACCTGAAGCGGA 60.1 (CTCTCC)6
BMGJY52 GATACGCCGACCAGTTCTACA 60.1 GCCCTCTCCCTTATCACCTC 60.0 (GGGTCG)5
BMGJY54 TTTTAATTTGCAAGACCGGC 60.1 CCAGGCTCTTGGTCAGGTAG 59.9 (CTGGCC)5
BMGJY65 TCCGACAATCACAAAGCAGA 60.4 GTTCGAGGAGCATCTCAAGG 60.0 (CGGCGC)5
BMGJY75 GCCACTAGTACGCTGCGAG 59.8 GCGTAGTACCCGACCTTGAG 59.8 (GCAGT)5
BMGJY76 ACGTGAGTTCCACCACACAG 59.6 GGTGGAGGTGAGGTGAGAGA 60.2 (GCGGG)6
BMGJY80 CCCCTCCTCTCTCTCTTCTTTC 60.0 ATGAGGAGGGAGGGTTTTGT 59.8 (CCCTC)5
BMGJY84 ACTGTCTCCAAGAAGCTCCG 59.6 GGCTGACGGTGAACCCTA 59.6 (GCACC)5
BMGJY86 CAACCAATCGAAAACCCAAC 60.2 GGGGAGGCGAGGTTATGT 59.9 (GAGAC)5
BMGJY87 GGCTAGGGTTTTTCGACCTC 60.1 AACAGATCACCGGAGACACC 60.0 (TTCGA)5
BMGJY89 GCCCACCTCAGACAATCAAT 59.9 CTGAGAGCAAAGCAGCACAC 59.9 (AGATG)7
BMGJY93 CTTTGTTGCAGCTTGCCTC 59.7 GCCGGCACAATATTGAACTT 60.0 (CTCGC)5
BMGJY107 TTCTCCTCCTCCTCCCTCTC 59.9 TGTTAGGGGTCTGGGTGTTC 59.8 (TCCCT)5
BMGJY113 AGGAATGAAAGCCTGAGCAA 60.0 AGCGCTCTCACACTCACTCA 59.9 (CTCTC)6
BMGJY116 CAAGTCGCCCATGTTCTTTT 60.1 TTTTCAGCCAGACAAGACCC 60.2 (TGGGG)5
BMGJY117 GTCATGTCGCTGTGCTTCAT 59.9 GATGGGAAGGGGGAGAATAA 60.1 (GGTAG)5
BMGJY122 ATAGGAGTGGTGCTGACGCT 59.9 CTGCCCTCATAAAGAACATCC 58.7 (GAGAT)5
BMGJY124 TGTGGAGGTGGAAGGAGTTC 60.1 CGAGCATCCTTTTCTCATCA 59.0 (TGGAC)5
BMGJY125 TTTGGTCAGGTGCGTATTCA 60.1 CGAGCATCCTTTTCTCATCA 59.0 (TGGAC)5
BMGJY135 TTGGGAAAAACAAGACTGGG 59.9 TTCTGCTAAACTGTGCAGCG 60.3 (AACCA)5
BMGJY141 ATCCGCTACGACGACTTCAT 59.7 TCGGTCGATTTTGTGTGTGT 60.0 (GAAGA)5
BMGJY148 CACCGTCAACGACTACATCG 60.2 CACATGGCAGAAGGAGGAAT 60.1 (TTAA)6
BMGJY155 GTTTCCAGCTTTCCTCATGC 59.8 GGCAAAGGAGAAGGGAGAGT 59.8 (CATC)5
BMGJY158 CCTGAAATAGGCGAGGAAGA 59.4 GGGTGGGGTAGGATGGAT 59.4 (CCTC)5
BMGJY161 ACATGGAGACGGAGATGGAG 60.1 CATTCCCTGTCGGCATACTT 60.0 (TATG)7
BMGJY162 CCCATCCTTGTTCAGTTCGT 60.0 CCACCTCTCACTCAGCTTCC 60.0 (TCGA)5
BMGJY165 CTCCTGCCCCAAGAACAG 59.3 CTTGGACTCGAGGCTGAACT 59.6 (AGGA)6
BMGJY166 TTCGATGAAGGATTCCCAAC 59.9 GCAACAGCACTTAGCCGTTA 59.1 (TTGA)5
BMGJY169 CTTCGCCTCTCTTCCCTCTT 60.1 GCTGGCCGTAGTAGCTCATC 60.0 (TATC)16
BMGJY170 ATCGAGAGGAGAGAGGGAGC 60.1 GAGAAGAGCCGAAGAGCAGA 60.0 (CAGC)6
BMGJY177 GTTTTAAGGGCAAGCTGCTG 60.0 TCGACACAACGCAGTACACA 59.9 (GGAA)5
BMGJY179 GTCGTCGAGCAACTCATCAA 60.0 GCCTCCGAGCTTCGAGAT 60.6 (CTCC)5
BMGJY180 AATTTCCATGATGGGTGAGC 59.8 TGGACCAGTGCATTCACAAT 60.0 (TTTC)8
BMGJY183 CCTTCCTTCCTCTTCCCATC 60.0 CTAGCTGTGATTGGCTGCTG 59.8 (GAGC)5
BMGJY185 CCAGCTCCCTCCTCTTCTTT 60.0 GCACTTTCTTCTCCAGTGCC 60.0 (CTCC)5
BMGJY188 TCAATCTGTTTCCGTTGCTG 59.8 CCTCCTCGTCTTCTTGCTTG 60.1 (TATC)10
BMGJY194 GATGCCTCGTGCTCCATAAC 60.6 AGCAGGTCCTCCTCCTCCT 60.4 (CTCG)5
BMGJY199 AAGATAGCCGGGTGGAATCT 59.9 CTGATGTGCTGTTACGGGTG 60.2 (CCTC)9

Table S3

Genetic parameters of the 52 polymorphic SSR markers used in the study"

位点
Locus
观测等位基因
Na
有效等位基因
Ne
Shannon多样性指数 I 观测杂合度
Ho
期望杂合度
He
Nei's期望杂合度
Nei
多态性信息含量
PIC
BMGJY1 3.0000 1.3826 0.5334 0.1471 0.2778 0.2670 0.5154
BMGJY5 2.0000 1.6000 0.5623 0.0000 0.3759 0.3750 0.3047
BMGJY11 2.0000 1.9476 0.6796 0.8042 0.4878 0.4865 0.3529
BMGJY12 3.0000 2.7895 1.0622 0.0000 0.6437 0.6415 0.6877
BMGJY19 2.0000 1.8546 0.6534 0.0000 0.4620 0.4608 0.3546
BMGJY23 3.0000 2.8208 1.0648 0.7824 0.6474 0.6455 0.7165
BMGJY24 2.0000 1.5631 0.5460 0.2038 0.3614 0.3603 0.5980
BMGJY25 2.0000 1.9873 0.6899 0.2640 0.4988 0.4968 0.6760
BMGJY29 2.0000 1.2631 0.3631 0.0050 0.2088 0.2083 0.2008
BMGJY33 3.0000 1.4713 0.6056 0.0000 0.3211 0.3203 0.3100
BMGJY36 3.0000 2.0574 0.8322 0.0000 0.5153 0.5140 0.4873
BMGJY44 2.0000 1.7521 0.6206 0.2385 0.4312 0.4293 0.6119
BMGJY45 3.0000 2.0570 0.8844 0.4138 0.5161 0.5139 0.6851
BMGJY46 3.0000 2.8022 1.0647 0.5337 0.6451 0.6431 0.8211
BMGJY50 2.0000 1.9902 0.6907 0.0000 0.4988 0.4975 0.3738
BMGJY52 2.0000 1.9716 0.6859 0.0000 0.4940 0.4928 0.3714
BMGJY54 2.0000 1.8641 0.6562 0.0000 0.4647 0.4636 0.3561
BMGJY65 2.0000 1.8506 0.6522 0.1477 0.4623 0.4596 0.5498
BMGJY75 3.0000 1.6367 0.6934 0.0000 0.3900 0.3890 0.3551
BMGJY76 3.0000 2.8904 1.0786 0.7056 0.6558 0.6540 0.7759
BMGJY80 3.0000 1.1893 0.3492 0.1020 0.1597 0.1592 0.4632
BMGJY84 3.0000 2.1652 0.9003 0.3226 0.5411 0.5382 0.6112
BMGJY86 2.0000 1.2800 0.3768 0.0000 0.2193 0.2188 0.1948
BMGJY87 2.0000 1.6879 0.5976 0.0000 0.4086 0.4076 0.3245
BMGJY89 3.0000 1.7053 0.7412 0.3200 0.4146 0.4136 0.4904
BMGJY93 3.0000 2.1294 0.8750 0.2500 0.5332 0.5304 0.6126
BMGJY107 3.0000 2.5121 0.9840 0.7744 0.6035 0.6019 0.6048
BMGJY113 2.0000 1.9122 0.6700 0.2381 0.4799 0.4770 0.5522
BMGJY116 3.0000 2.1364 0.8193 0.9150 0.5332 0.5319 0.2442
BMGJY117 2.0000 1.2680 0.3671 0.1173 0.2120 0.2114 0.4072
BMGJY122 3.0000 1.7466 0.7442 0.4100 0.4285 0.4274 0.4972
BMGJY124 2.0000 1.9396 0.6775 0.1681 0.4865 0.4844 0.6433
BMGJY125 2.0000 1.4928 0.5120 0.0352 0.3309 0.3301 0.3254
BMGJY135 2.0000 1.3172 0.4050 0.0000 0.2414 0.2408 0.2118
BMGJY141 3.0000 2.9565 1.0910 0.6796 0.6636 0.6618 0.7792
BMGJY148 3.0000 2.6431 1.0290 0.3700 0.6232 0.6217 0.6658
BMGJY155 2.0000 1.2028 0.3093 0.1474 0.1692 0.1686 0.4621
BMGJY158 3.0000 2.8854 1.0776 0.8660 0.6551 0.6534 0.6171
BMGJY161 3.0000 2.3635 0.9485 0.0206 0.5799 0.5769 0.5847
BMGJY162 2.0000 1.9620 0.6834 0.0000 0.4934 0.4903 0.4933
BMGJY165 3.0000 2.3664 0.9424 0.7589 0.5795 0.5774 0.6318
BMGJY166 2.0000 1.6164 0.5693 0.0000 0.3823 0.3813 0.3448
BMGJY169 2.0000 2.0000 0.6931 0.0000 0.5020 0.5000 0.5894
BMGJY170 3.0000 2.8306 1.0667 0.6809 0.6490 0.6467 0.7655
BMGJY177 3.0000 2.5423 1.0080 0.9282 0.6082 0.6067 0.4926
BMGJY179 2.0000 1.7575 0.6225 0.3886 0.4323 0.4310 0.6137
BMGJY180 2.0000 1.6000 0.5623 0.0000 0.3759 0.3750 0.3047
BMGJY183 2.0000 1.3613 0.4356 0.2740 0.2663 0.2654 0.5558
BMGJY185 2.0000 1.5889 0.5576 0.2672 0.3723 0.3707 0.6025
BMGJY188 2.0000 1.9231 0.6730 0.0000 0.4820 0.4800 0.5780
BMGJY194 3.0000 2.8249 1.0652 0.7337 0.6479 0.6460 0.7011
BMGJY199 3.0000 2.1333 0.8655 0.0000 0.5326 0.5312 0.4714
平均Mean 2.4808 1.9729 0.7277 0.2695 0.4609 0.4593 0.5104
St.Dev 0.5045 0.5084 0.2258 0.3049 0.1393 0.1388 0.1617

Table 3

Parameters of genetic diversity in six ecotopes of proso millet"

生态区
Ecotope
观测
等位基因
Na
有效
等位基因
Ne
Shannon
多样性指数
I
观测
杂合度
Ho
期望
杂合度
He
Nei’s期望
杂合度
Nei
多态性
信息含量
PIC
东北春糜子区NES 2.4423±0.5015 1.9570±0.4844 0.7148±0.2393 0.2482±0.2951 0.4684±0.1482 0.4558±0.1437 0.4851
华北夏糜子区NSU 2.3077±0.6116 1.7636±0.5920 0.5990±0.3110 0.2272±0.2815 0.3832±0.2024 0.3715±0.1968 0.4408
北方春糜子区NSP 2.4808±0.5045 1.9260±0.5217 0.7042±0.5474 0.2802±0.3177 0.4457±0.1578 0.4407±0.1560 0.4893
黄土高原春夏糜子区LPSS 2.4808±0.5045 1.9441±0.5134 0.7116±0.2371 0.2803±0.3223 0.4533±0.1486 0.4489±0.1472 0.4933
西北春夏糜子区NWSS 2.3077±0.5787 1.9141±0.5068 0.6747±0.2687 0.2758±0.3527 0.4585±0.1781 0.4360±0.1691 0.4576
其他糜子区OSP 2.1346±0.6577 1.7810±0.5778 0.5886±0.3349 0.2758±0.3472 0.4130±0.2291 0.3735±0.2085 0.3987

Table 4

Nei’s genetic distance and genetic identity in proso millet from different populations"

生态区
Ecotope
东北春糜子区
NES
华北夏糜子区
NSU
北方春糜子区
NSP
黄土高原春夏糜子区 LPSS 西北春夏糜子区 NWSS 其他糜子区
OSP
东北春糜子区 NES 0.9085 0.9675 0.9629 0.9306 0.8835
华北夏糜子区 NSU 0.0960 0.9013 0.9268 0.9132 0.9159
北方春糜子区 NSP 0.0331 0.1039 0.9824 0.9687 0.9211
黄土高原春夏糜子区 LPSS 0.0378 0.0760 0.0177 0.9781 0.9382
西北春夏糜子区 NWSS 0.0719 0.0908 0.0318 0.0222 0.9367
其他糜子区 OSP 0.1238 0.0879 0.0822 0.0638 0.0654

Fig. 1

Cluster analysis of 200 proso millet accessions based on UPGMA NES: Northeast spring-sowing ecotope; NSU: Northern summer-sowing ecotope; NSP: Northern spring-sowing ecotope; LPSS: Loess plateau spring & summer-sowing ecotope; NWSS: Northwest spring & summer-sowing ecotope; OSP: other sowing ecotope. Other sowing ecotope: the Southern autumn & winter-sowing ecotope and the Qinghai-Tibet plateau spring-sowing ecotope."

Table 5

Group distribution of 200 proso millet accessions based on UPGMA"

省份
Province
组群I
Group I
组群II
Group II
组群III
Group III
组群IV
Group IV
组群V
Group V
组群VI
Group VI
黑龙江 Heilongjiang, China 1 3 7
吉林 Jilin, China 9
辽宁 Liaoning, China 1 4 2
内蒙古 Inner Mongolia, China 6 6
河北 Hebei, China 3 5 6 5
江苏 Jiangsu, China 1 1
山东 Shandong, China 1 1 11
北京 Beijing, China 1
甘肃 Gansu, China 3 11 13
宁夏 Ningxia, China 1 1 1 6
青海 Qinghai, China 4 4 2
山西 Shanxi, China 1 1 1 32 3
陕西 Shaanxi, China 2 1 6 15
新疆 Xinjiang, China 1 4 1 6
海南 Hainan, China 1 1 1
湖北 Hubei, China 1
云南 Yunnan, China 1
西藏 Tibet, China 1
合计 Total 6 8 18 33 112 23

Fig. 2

Population modeling of 200 proso millet accessions based on Structure"

Fig. 3

Population genetic structure graph of proso millet core germplasm accessions based on Structure Different color represents the different group. Numbers in the horizontal axis represent accession number and type of ecotope area, respectively. NES: Northeast spring-sowing ecotope; NSU: Northern summer-sowing ecotope; NSP: Northern spring-sowing ecotope; LPSS: Loess plateau spring & summer-sowing ecotope; NWSS: Northwest spring & summer-sowing ecotope; OSP: other sowing ecotope. Other sowing ecotope: the Southern autumn & winter-sowing ecotope and the Qinghai-Tibet plateau spring-sowing ecotope."

Fig. 4

Principle component analysis of 200 proso millet accessions NES: Northeast spring-sowing ecotope; NSU: Northern summer- sowing ecotope; NSP: Northern spring-sowing ecotope; LPSS: Loess plateu spring & summer-sowing ecotope; NWSS: Northwest spring & summer-sowing ecotope; OSP: other sowing ecotope. Other sowing ecotope: the Southern autumn & winter-sowing ecotope and the Qinghai-Tibet plateau spring-sowing ecotope."

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