Study on population structure of kiwifruit and GWAS for hairiness character

•The heterozygous sites of var. deliciosa is higher than that of var. chinensis.•The evolution of A. chinensis var. chinensis is later than that of var. deliciosa.•The hairiness character play an important role in the classification of kiwifruit.•The membrane-related genes and stress-resistant pathways are related to the hairiness.