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谷子成熟胚诱导愈伤组织及植株再生的研究和条件的优化

, PP. 77-82

Keywords: 谷子,愈伤组织,再生,诱导

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Abstract:

选用4个谷子品种,“冀谷11”、“豫谷2号”、“铁谷5号”和“十里香”研究在不同条件下谷子成熟胚的再生能力及其影响因素。研究表明谷子的再生能力受基因型影响较大,不同谷子品种诱导愈伤和愈伤分化能力不同,4个品种中以“冀谷11”的再生能力最好。后续试验用“冀谷11”研究不同培养基、不同激素配比以及培养基的添加物对谷子再生能力的影响。结果表明LS培养基适合谷子的愈伤组织诱导,MSB5培养基适合谷子的分化;所试验的碳源中麦芽糖适合愈伤的诱导和分化;谷子诱导愈伤较好的激素配比是2,4-D+ZT,愈伤分化较优的激素配比为NAA和6-BA的组合。另外,硝酸银、酸水解酪蛋白、脯氨酸及山梨醇等添加物会提高谷子的再生能力。

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