为了了解砧木种子的实际发芽力，以便确定适宜播种量，播种前必须鉴定种子质量的好坏，特别是经过贮藏或由外地买来的种子更需鉴定，常用鉴定砧木种子质量好坏的方法有如下 4种： 　　一、形态鉴定法 即肉眼观测法。用眼睛从外部形态上简单而直接地判断种子质量的好坏，凡种 In order to understand the actual germination of rootstock seed in order to determine the appropriate sowing, seed quality must be identified before sowing is good or bad, especially after storage or purchased from the field more need to identify the commonly used methods to identify the quality of rootstock seed is good or bad The following four kinds: First, the morphological identification method that the naked eye observation. With eyes from the outside morphology is simple and direct to determine the quality of the seed is good or bad, all kinds