first filial generation

基本解釋

F1 The first filial generation; i. e. the first generation that results from a particular cross.
子一代（襍種一代）：襍交第一代，也就是一個特定襍交産生的第一代。
The crossing from two different geographical wild populations in-creased the genetic diversity of the first filial generation.
不同地理種群間襍交能夠增加子代的遺傳多態(tài)性。
Nevertheless, only the first filial generation (F1) of the hybrid Bt transgenic was available. The F2 generation was not suggested to extension because of its segregation of character.
襍交抗蟲棉衹有其F1代種有較高的使用價值，F(xiàn)2代性狀分離嚴重，不宜在生産上推廣使用。