高粱是天水市的主要作物之一 ,在近年来降水量减少、干旱日趋严重的情况下 ,高粱以其适应性广、抗旱性强、粮草兼用、产量高等优点在粮食生产中起着极其重要的作用 ,但在高粱杂交制种过程中普遍存在父母本花期不遇的问题 ,常对制种产量和种子质量造成影响。为了寻求解决高粱制 Sorghum is one of the main crops in Tianshui City. In recent years, with the decrease of precipitation and increasing drought, sorghum plays an extremely important role in grain production due to its advantages of wide adaptability, strong drought resistance, high utilization of forage and high yield However, during the hybridization of sorghum, there is a common problem that the flowering period of parents is not met, which often affects the seed yield and seed quality. In order to find a solution to sorghum production