玉米种性退化研究进展

Progress in Research on Maize(Zea mays L.) Genetic Depression

种性退化是生物界存在的普遍现象,是导致种性向低劣方向演化的自然规律。本文详细介绍了玉米种性退化的现象、发生原因及延缓玉米种性退化的方法,提出了玉米品种退化研究中存在的问题,并对玉米种性退化的研究方向进行了展望。

Genetic depression is a common phenomenon and natural rule of varieties depression. The paper introduced the phenomena and reasons of genetic depression, methods of delaying depression in detail and revealed the problem in research. Finally, it would give the prospect of maize genetic depression.