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辣椒在自交后代中可分离出雄性不育株。若是两用系类型，其不育性受细胞核内一对或两对隐性基因所控制。不育株雄蕊退化，没有花粉或花粉无生活力，育性在白蕾期或初花期可拨离花药识别。辣椒两用系原种，可在隔离区内人工授粉繁殖。利用不育株与杂交组合父本杂交，可获得高纯度杂交种。
Pepper can be isolated in selfing offspring male sterile plants. In the case of a dual-use type, its sterility is controlled by one or two pairs of recessive genes in the nucleus of the cell. Sterile staminodes degenerate, no pollen or pollen no viability, fertility in the white buds or early flowering can be diagonals recognition. Pepper dual-purpose lines of origin, artificial pollination can be isolated in the area. High-purity hybrids can be obtained by crossing male and female sterile lines with male parents.