结缕草种子愈伤组织诱导及植株再生研究
Northern Horticulture(2010)
Abstract
以结缕草成熟种子为外植体,研究了不同的种子处理方法和基本培养基、生长调节剂与壳聚糖的添加量对愈伤组织诱导的影响,以及愈伤组织的继代次数对植株分化的影响。结果表明:剥去外壳、划破种皮的结缕草种子在N6培养基中,2,4-D浓度为4 mg/L,添加4 g/L壳聚糖时,出愈率最高,达到100%,胚性愈伤的发生率也达到最高,为84.4%;用含0.1 mg/L 2,4-D的1/2MS分化培养基,经1次继代的浅黄色稍致密愈伤组织分化率最高,达到81.7%。
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Key words
Zoysia japonica,regenerated plantlet,embryogenic callus,chitosan
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