依靠辐射并结合细胞学和田间选择,用染色体工程使植物发生遗传变异,已在栽培小麦上获得成功。近来,这一原理应用于其他物种,一些新的技术又为人们所重视。这就是利用辐照花粉促使卵转化(配子体基因转移),从而产生类似母本又具有少数其他特征的后代(通过孤雌生殖或双受精)。γ融合(原生质体融合,其中一个亲本经过照射)为融合 Relying on radiation combined with cytology and field selection, genetic engineering of plants with chromosomal engineering has been successful on cultivated wheat. Recently, this principle has been applied to other species, and some new technologies have attracted people’s attention. This is the use of irradiated pollen to promote egg conversion (gametocyte gene transfer), resulting in a progeny that resembles the maternal parent with few other traits (by parthenogenesis or double fertilization). Gamma fusion (protoplast fusion, where one parent is irradiated) is confluent