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湿加松组织培养快繁技术的研究

Journal of Nanping Teachers College(2016)

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Abstract
以半木质化穗条茎段为外植体,开展湿加松组培快繁关键技术对比试验,探讨不同的外植体消毒方法、培养基类型、植物激素对芽的诱导、增殖、分化和生根的影响.结果表明:灭菌净浸泡8 min+75%乙醇消毒10 s+含吐温-20的0.1%HgCl2消毒8 min,或灭菌净浸泡8 min+75%乙醇消毒15 s+含吐温-20的0.1%HgCl2消毒6 min,消毒效果最佳;改良MS+0.5 mg?L-16-BA+0.8 mg?L-1ZT+0.3 mg?L-1IBA是最优的继代增殖培养基,增殖倍数3.2,基部长出的丛生芽健壮,生长力强.以1/2改良MS为生根培养的基本培养基,添加的生长素浓度组合以0.8 mg?L-1IBA+0.1 mg?L-1NAA为最佳,生根率可达36.7%.
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