利用某些黄粒或白粒玉米自交系之间杂交,当代即呈现紫粒的遗传特异性作指示品种,鉴测玉米制种时母本去雄情况。经过两年的试验和应用、方法简便、效果明显、鉴测准确,种子收获后,立即能测出杂交种的种子纯度。这种方法也可以鉴测自交系繁殖时的隔离安全情况和去杂情况。 Utilizing the hybridization of some yellow or white maize inbred lines, the contemporary showed the genetic specificity of purple grains as an indicator variety, and the maternal males were investigated for their males. After two years of experiment and application, the method is simple, the effect is obvious, and the detection is accurate. After the seeds are harvested, the seed purity of hybrid seeds can be measured immediately. This method can also be used to check the safety and isolation of inbred lines when breeding.