越橘品种'Koralle'茎尖繁殖体系建立

Journal of Northeast Forestry University(2018)

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Abstract
以越橘品种'科利尔'(Vaccinium vitis-idaea L.'Koralle')茎尖为试材,对影响茎尖离体培养的取材时期、外植体的消毒、培养基和激素配比等因素进行研究,旨在建立茎尖快繁体系.结果表明:休眠期水培促萌的嫩芽污染率较低,最利于茎尖诱导成活.采用正交试验设计筛选出最佳灭菌处理为75%酒精30 s+0.1%升汞4 min+2%次氯酸钠2 min,污染率和成活率分别为5.64%和84.15%;适于茎尖增殖培养的培养基和激素组合为 WPM(改良)+1.0 mg· L-1ZT+0.1 mg· L-1GA3,增殖系数、苗高分别为4.85和2.74 cm.
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Key words
Multiplication,Vaccinium vitis-idaea L.,Medium,Stem tip culture,Hormone
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