Breeding and Cultivation Technology of A New High Protein Soybean Variety Heinong 511

Heinong 511 was bred by the Soybean Research Institute, Heilongjiang Academy of Agricultural Sciences using Heinong 48 and Heinong 65 as female and male parents respectively by sexual hybridization and pedigree methods. In comparison to the control of Suinong 26, Heinong 511 showed higher yield in Heilongjiang regional trials in 2018 and 2019, 2 858.4 kg·ha^-1on average with an increase of 7.1%, and production trial in 2019, 2 870.9 kg·ha^-1with an increase of 9.4%. Heinong 511 was approved by Heilongjiang Crop Variety Approval Committee in 2020. The seeds protein content is 47.31%,and normal fat contents is 17.35%. Heinong 511 is a high-protein quality soybean variety in present soybean production.