...选（selection），使许多本来不在八月开花的花卉在八月绽放，并运用杂交育种（cross breeding）和辐射育种（radiation breeding）的办法培育出不少花期长达半年以上、有较强的抗热性（heat-resisting）的花卉品种。
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groundnut radiation breeding 花生辐射育种
rice radiation breeding 稻辐射育种
maize radiation breeding 玉米辐射育种
wheat radiation breeding 小麦辐射育种
peanut radiation breeding 花生辐射育种
radiation breeding of mulberry 桑树辐射育种
radiation breeding of annual crops 一年生作物辐射育种
This experiment to improve the effect of radiation breeding of wheat includes three treatments.
为了提高小麦辐射育种的效果，我们设计了此试验，本试验主要从三个方面进行研究。
Research Group of Wheat Radiation Breeding; Department of Biology of Nanchung Normal College; Szechuan;
南充师范学院生物系小麦辐射育种组；
Breeders have bred a great deal of new flower varieties by taking routine cross breeding, radiation breeding, tissue culture breeding, polyploidy breeding, and spaceflight breeding etc.
人们通过常规杂交育种、辐射育种、组织培养育种、多倍体育种、航天育种等手段培育了大量的花卉新品种。
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