The sorghum male sterile line Ji 2055A was bred by the institute of crop resources of Jilin Academy of Agricultural Sciences with the A₁ maintainer line 314B as the female parent and the Indian sorghum type 871300 recovered for the A₁cytoplasm as the male parent. It was bred by the methods such as artificial remove stamen, hybridization, directional selection and backcrossing. This sterile line has the characteristics of stable sterility, wide adaptability, strong stress resistance, and high combining ability. It was applied for a new national plant variety in 2009and got it in 2015. The successful selection and breeding of sorghum male sterility line Ji 2055A has increased new sorghum resource types in Jilin Province, and many new sorghum varieties assembled by it have been widely used in production in spring sowing early maturity areas in the north.