红豆越橘的组织培养

JIANGSU AGRICULTURAL SCIENCES(2010)

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Abstract
红豆越橘是环北极分布的极耐寒的多年生常绿矮小灌木,在我国大兴安岭地区蕴藏丰富.以野生红豆越橘苗为试材,取半木质化茎段为外植体,研究影响其离体繁殖的因素,筛选适宜的离体增殖和生根培养基及生根培养接种方式.试验结果表明:红豆越橘在改良1/2MS+ZT 5 mg/L培养基上愈伤形成率和增殖系数最高,培养1个月后,分别为89%和8.6.在1/4MS培养基上,红豆越橘的生根率达42%,显著高于改良1/2MS和AS培养基.在1/4MS+0.1 mg/L NAA培养基上生根率最高,为62.7%.接种方式以平放的根量多而发达,且没有培养基的污染,利于炼苗.
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