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‘红国王’葡萄组织培养快速繁殖

Molecular Plant Breeding(2020)

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Abstract
为建立‘红国王’葡萄组培快繁体系,本试验研究了生长素、接种材料类型、培养条件对组培苗继代增殖与生根的影响.结果 表明,0.5 mg/L IAA适合‘红国王’的继代增殖,繁殖系数为5.49,在培养基中附加0.3 mg/L NAA,愈伤组织少且根系粗壮;适合‘红国王’组培苗生长的蔗糖浓度为25~30 g/L,在该浓度下植株长势健壮,生根条数多;带半叶单芽茎段为‘红国王’适宜接种材料类型;接种后第1天至第10天暗培养,可促进‘红国王’根系发育;放置于LED灯复合光红∶蓝∶白=3∶1∶1下,可获得长势强、根系强壮的组培苗;继代间隔为40 d时,繁殖速度较快.
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