根据遗传显性假说原理,利用无腺体为隐性基因作为指示性状,在海陆杂种优势利用中,使杂种1代的有腺体显性基因得到表现,从而在幼苗期通过间苗和定苗,拔出假杂种。据试验,海陆杂种优势比陆地棉品种杂种优势更为明显,即使不去雄,只于开花时把海岛棉花粉涂在陆地棉柱头上,其子一代亦能明显地表现出杂种优势。 According to the principle of genetic dominant hypothesis, the use of non-gland as a recessive gene as an indicator trait in hybrid utilization of land and sea hybrid gland dominance gene expression, so that seedlings and seedlings through the seedling stage, pull Leave false hybrids. According to the test, the heterosis of land-sea hybrids is more obvious than the heterosis of upland cotton varieties. Even without exonyma, the island cotton pollen was applied to the head of G. hirsutum only when flowering, and its offspring also showed heterosis obviously.