Haploid embryos which only with chromosome of female parent were obtained due to the chromosome elimination of pollenparent quickly and completely during the heterozygote development.
利用杂合子发育过程中来自父本的染色体完全、迅速地消失得到大量单倍体胚。
2
The medium pollen is dipped by a cotton swab or a brush pen and applied to the female parent tobacco flower column head for artificial pollination.