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外植体选取与低温处理对花椰菜不育系诱导培养的影响

JOURNAL OF AGRICULTURE(2015)

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Abstract
为给‘瓯雪60天’制种母本9901A(隐性核不育系)的快速繁殖提供依据,研究了花椰菜花球采收期、20 cm抽薹期、开花期不同部位取材外植体对诱导培养的影响。结果表明:不同生育阶段不同部位取材外植体的愈伤组织诱导率均为100%。不同阶段不同部位外植体诱导出芽效果存在差异,以开花期花托诱导出芽数量最多,采收期3 mm厚花枝诱导出芽数量次之,20 cm抽薹期则诱导不出芽。4℃低温处理1天采收期花球表面花枝的诱导效果较好,而低温处理3、7天的诱导效果有所降低。
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Key words
Explants Selection,Low Temperature Treating,Male Sterile Line of Cauliflower,Induction Culture
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