Development of an optimal culture system for callogenesis of Chrysanthemum indicum protoplasts
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文摘
This study is a comparison of four methods to induce calli formation in a protoplast culture of Chrysanthemum indicum. Culture in liquid medium (17.6?calli/105 protoplasts) was preferable to culture in solid agarose beads, although the efficiency of the latter could be improved by layering them on glass beads (12.5 vs. 0.83?calli/105 protoplasts). Culture of protoplasts on moistened filter paper was unsuccessful. In the liquid media, microcalli and calli were induced efficiently and easily after 6?weeks. These effects may be explained by reduced toxicity due to cell breakdown and improved aeration.

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