Haploid embryos which only with chromosome of female parent were obtained due to the chromosome elimination of pollen parent 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。

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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.

用棉签或者毛笔沾取该介质花粉涂抹于母本烟花柱头上，进行人工授粉。

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