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在国家863计划支持下,经科研人员的攻关,我国航天育种关键技术取得突破,建立了地面模拟诱变育种技术创新体系。从粒子生物学、物理场生物学和重力生物学等不同角度研究了航天环境各因素的诱变特性,初步建立了“多代混系连续选择与定向跟踪筛选”的空间诱变育种技术。进一步优化了高能粒子辐照、物理场处理等地面模拟航天诱变靶室设计与样品处理程序,使得样品批处理效率大大提高；比较分析了高
With the support of the National 863 Program, breakthroughs have been made in the key technologies of China’s space breeding by scientific research personnel, and an innovation system of ground-based simulated mutagenesis breeding technology has been established. The mutagenic characteristics of various factors in aerospace environment were studied from the aspects of particle biology, physical field biology and gravitational biology, and the space mutation breeding technology “multi-generation mixed continuous selection and directional tracking screening” was initially established. Further optimization of the target chamber design and sample processing procedures such as high-energy particle irradiation and physical field processing to simulate spaceflight mutation greatly improves the sample batch processing efficiency;