种材质量是园林苗木生产的重要因素，是苗圃生产活动中重要的生产资料。有了稳定的优良种材来源，才能保证苗圃培育出品种多、数量大、质量优的苗木，才能满足日益发展的城市绿化事业需求。在日益激烈的苗木市场竞争中，国营苗圃要想发挥主渠道的作用，必须重视种材质量管理， Seed quality is an important factor in the production of garden seedlings and is an important means of production in nursery production activities. With a stable source of fine seeds, we can ensure nursery nurture varieties, large quantities, good quality seedlings, in order to meet the growing needs of urban greening. In the increasingly fierce competition in the seedling market, state-owned nurseries to play the role of the main channel, we must attach importance to the quality of seed management,