杂交玉米种子纯度的检验,一般有田间检验、室内检验和种植检验3种。一、品种纯度田间检验种子质量的高低主要是在田间生产过程中形成的,做好制种田间检验对于确保种子质量显得格外重要。要想做好田间检验,要做到以下几点:1.掌握被检品种组合亲本各生育期的特征特性,收集有关地区主要品种组合同名异源亲本种子、植株标准样品、有关资料和图册。 Hybrid corn seed purity test, the general field test, laboratory test and planting test 3 kinds. First, the purity of varieties Field test seed quality is mainly in the field during the formation of the production process, to do a good job of field testing for ensuring the quality of seeds is particularly important. To do a good job in the field test, we should do the following: 1. Grasp the characteristics of the tested breed combinations of each of the characteristics of the growing period, collect the main varieties of the same area of ​​the same name heterophyletic seed, plant standard samples, relevant information and Atlas .