Institute of Food Crops Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 China;
Quality Standard and Testing Technology Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 China;
Institute of Food Crops Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 China;
Institute of Food Crops Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 China;
Quality Standard and Testing Technology Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 China;
Quality Standard and Testing Technology Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 China;
Institute of Food Crops Research Institute Yunnan Academy of Agricultural Sciences Kunming 650205 China;
Agriculture and rural Bureau of Suijiang County Zhaotong 657700 China;
Maize; SNP chips; Group genetic structure; Genetic diversity; Principal component analysis;