Southwest China is the origin and domestication center of tartary buckwheat in the world

The Institute of Crop Science of the Chinese Academy of Agricultural Sciences (hereinafter referred to as the Institute of Crop Sciences of the Chinese Academy of Agricultural Sciences) takes the lead in the discovery and utilization of outstanding germplasm resources of characteristic crops.

Team member Zhou Meiliang, a researcher from the Institute of Agricultural Sciences of the Chinese Academy of Agricultural Sciences, introduced that buckwheat is divided into two broadly cultivated species, tartary buckwheat and sweet buckwheat.

However, the genetic basis and domestication process of tartary buckwheat are not clear at present, and the lack of research on important traits and quality formation mechanisms severely restricts its trait improvement and genetic breeding

The team collected thousands of wild and farm buckwheat resources from southwestern China, combined with tartary buckwheat varieties from more than ten countries, and constructed 510 tartary buckwheat core germplasm resources covering different levels of wild and farm species; More than 1.

The study also identified independent domestication intervals and important genetic loci related to agronomic and quality traits such as plant height, thousand-grain weight, peel color, and flavonoid content in the two cultivated populations of tartary buckwheat; at the same time, it also analyzed and mined the use of GWAS The key regulatory genes of rutin and other important active substances have been functionally analyzed