利用聚丙酰胺凝胶电泳法鉴定不同杂交稻种子脂酶同功酶差别 ,以达到鉴定杂交稻种子真实性及品种纯度的目的 ,并以田间种植鉴定结果验证 ,诣在探索该方法的可靠性、准确性及重演性 ,为实践应用提供依据 ,取得了较好效果 .另外 ,通过不同材料脂酶同功酶酶谱比较 ,可以发现其亲缘关系 ;可以作为植物分类研究及杂种优势预测的重要依据 Identification of hybrid rice seed lipase isozymes differences using polyacrylamide gel electrophoresis in order to achieve the purpose of identifying the authenticity of hybrid rice seeds and varieties of purity, and to verify the field planting identification results Yi Yi to explore the reliability of the method, Accuracy and repeatability, which provided the basis for practical application and achieved good results.In addition, the genetic relationship of the lipase isoenzymes of different materials was compared, which could be used as an important basis for plant taxonomy and heterosis prediction