巨球百合无菌播种影响因素的研究
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国家“863”计划子项目 (2011AA100208);浙江省自然科学基金项目(Y12C150021)


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    摘要:

    以剥皮、不剥皮野生巨球百合种子为材料,采用不同激素配比的10种培养基进行无菌播种,研究不同培养基处理之间的种子萌发率、诱导率、诱导芽数及形成小鳞茎数等的差异。结果表明:巨球百合种子具有较强的生活力,不剥皮处理的种子亦具备较高的萌发率,剥皮处理对提高种子的萌发速度和萌发率有一定的效果;剥皮巨球百合种子萌发的最适培养基为MS+1.0 mg/L 6–BA +1.0 mg/L NAA,萌发率为100.0%, 诱导率为65.0%,平均诱导不定芽1.28个,转入MS培养基生长45 d后,平均形成小鳞茎2.35个,平均生成3.6片叶,平均生根达6.7条,且植株生长健壮。

    Abstract:

    Taking the MS basal medium without any hormones addition as control, the germination rate, shoot induction rate, number of inducted shoots and bulblets were measured by using the seeds of Lilium brownii F. E. Brown ex Miellez var. giganteum as sterile sowing materials, which were sowed in different concentration of hormones mediums and treated with peeling.The results showed that seeds adopted here had higher viability, as well as those without peeling. Treatment with peeling could speed up seed germination and germination rate. The optimum culture medium for seed germination was MS medium supplemented with 1.0 mg/L 6–BA and 1.0 mg/L NAA.The germination rate, induction rate and the number of average indefinite buds were 100.0%, 65.0% and 1.28, respectively. Besides, the number of average indefinite bulblets, leaves and roots after 45 days of transferred them to MS basal medium were 2.35, 3.6 and 6.7, respectively.

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.巨球百合无菌播种影响因素的研究[J].湖南农业大学学报:自然科学版,2015,41(3):.

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  • 在线发布日期: 2015-05-29
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