种子包衣，可以有效地防治相关病害，同时因含有微肥和生化制剂，又可以提高苗质，促进生长发育。此外，种子部门还能以其特定的色彩来提高种子的防假能力，起到既推广良种，又可切实保护农民利益的效果。但是，种子包衣后对发芽和成苗究竟有无影响？1998年和1999年连续进行了 Seed coating, can effectively control the related diseases, and at the same time because of containing trace fertilizers and biochemical agents, but also can improve the quality of seedlings and promote growth and development. In addition, the seed sector can also increase the anti-counterfeiting ability of its seeds with its specific color, which serves to promote good seeds and protect farmers’ interests. However, after the seed coating on germination and seedlings have no effect? In 1998 and 1999 carried out continuously