求翻译：通过在MS培养基的基础上，分别加入不同浓度的细胞分裂素6-BA和生长素IBA的方法来筛选最有利于月季‘紫皇后’继代增殖的培养基是什么意思？

Most conducive to the Rose 'Purple Queen' subculture proliferation medium on the basis of ms medium with different concentrations of cytokinin 6-ba and auxin iba filter

In the culture media by MS respectively, based on the type of cell division to join different concentrations of 6-BA IBA and growth of the methods used to filter the most conducive to nongovernment ' ' the Queen's first generation breeder of media

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By MS on the basis of the medium, respectively, to join different concentrations of cytokinin and 6-BA growth hormone IBA methods to filter the best rose ' Violet Queen ' subculture propagation of culture medium

Through in the MS culture medium foundation, joins the different density separately cell division element 6-BA and the growth hormone IBA method screens is most advantageous continues a generation of multiplication in rosa indica `purple empress' the culture medium