纯度鉴定是玉米种子质量标准的四项必检项目之一,2001年11月1日,农业部颁布了《玉米种子盐溶蛋白电泳鉴定方法》(NY/T449-2001),同时为玉米单交种及亲本的真实性和品种纯度鉴定提供了技术依据。玉米种子的纯度鉴定方法有两种:种植鉴定与盐溶蛋白电泳鉴定。与种植鉴定相比,盐溶蛋白电泳鉴定的优点 Purity identification is one of the four essential items of corn seed quality standards. On November 1, 2001, Ministry of Agriculture issued the “Identification of Salt Soluble Protein in Maize Seeds” (NY / T449-2001) Provide the technical basis for the authenticity of the species and the purity of the variety and the identification of the variety purity. Purity identification of maize seeds in two ways: planting identification and salt protein electrophoresis identification. Compared with the identification of planting, salt protein electrophoresis identified the advantages