The result was that the latter two methods could be used for extracting genomic DNA from sporophyte of Laminaria, and that the improved CTAB method was the best ones through which the production had the highest purity.

• 结果表明除SDS法外,其余两种方法均可获得完整的海带基因组DNA,RAPD扩增谱带清晰稳定。 尤以改良CTAB法提取的DNA质量较好。