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诱变育种是人为地利用物理因素、化学因素,诱导生物发生遗传性的变异,然后根据育种目标进行选择、培育,以育成新品种的一种育种方法。诱变育种是继系统选种、杂交育种之后的另一种育种途径。现主要对水稻诱变育种的特点及机理进行了分析。
Mutagenesis breeding is a kind of breeding method that makes use of physical and chemical factors artificially to induce genetic variation of biology and then selects and cultivates according to the breeding goal to breed new varieties. Mutagenesis breeding is another breeding method after system selection and cross breeding. Now the main characteristics of mutagenic rice breeding and mechanism were analyzed.