Research status and prospect of seed corn planter

Corn is an important crop in China, a large-scale cultivation of corn has led to rapid development of corn seed industry．At present, in China, corn seed is mostly sown by general-purpose field planter for female parent, sowing male parent is still in manual sowing stage, lacking a dedicated planter for male and female parent corn sowing．Based on agronomic requirements of corn seed production, current development status of film mulch planter domestic and foreign countries was elaborated, and performance characteristics of some typical products were introduced．Combined with key technologies of seeding, shortcomings of existing planter have been analyzed, and development trend of seed corn planter has been pointed out．