breeding by spontaneous mutation 自发突变与育种
mutation breeding by space flight 航天诱变
breeding by induced mutation 诱变育种
UV breeding by induced mutation 紫外线诱变育种
It has been proved by our practice that this new method with many advantages such as simplicity in operation, easy mutation and high utilization rate, is a new breeding technique fast and effective.
实践证明，这个方法具有简便、易产生变异、利用率高等优点，是一种快捷有效的新育种技术。
Technique of mutation breeding in gladiola was studied by means of electron beam.
用电子束辐射唐菖蒲种球，研究唐菖蒲的诱变育种。
A lot of new high-produced and well qualitative cereals, flowers and antibiotics have been bred by the technique of spaceflight mutation breeding home and abroad.
国内外利用航天诱变育种技术培育了粮食作物、经济作物、花卉及抗生菌等高产优质新品种（系）。
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