中文摘要：

空间环境是一种独特的资源，有多种诱变育种的因素，是地球上无法比拟的。本文综述了空间环境在诱变育种中的应用，一些细胞水平和分子水平上的研究方法，及空间诱变后获得的生物材料在遗传变异研究中的应用。

英文摘要：

Space environment, which manifolds many mutation breeding factors, is a particular resource. This paper summarized the application of space environment in mutation breeding and some research methods in cell level and in molecule level, as well as the application of the space mutation materials in genetic variation.