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Efficient plant regeneration in vitro from cotyledon explants of chieh-qua (Benincasa hispida Cogn. var. chieh-qua)

文献类型: 外文期刊

作者: Liu, E. E. 1 ; Leung, David W. M. 2 ; Xia, Qing Hua 1 ; Zheng, Jie Ren 1 ; Peng, Xin Xiang 1 ; He, Xiao Ming 3 ;

作者机构: 1.South China Agr Univ, Coll Life Sci, Guangzhou 510642, Guangdong, Peoples R China

2.Univ Canterbury, Sch Biol Sci, Christchurch 8140, New Zealand

3.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangzhou 510640, Guangdong, Peoples R China

关键词: adventitious shoot formation;organogenesis;pre-culture;hairy melon

期刊名称:SCIENCEASIA ( 影响因子:0.615; 五年影响因子:0.708 )

ISSN: 1513-1874

年卷期: 2013 年 39 卷 2 期

页码:

收录情况: SCI

摘要: An efficient plant regeneration system for Benincasa hispida Cogn. var. chieh-qua was developed using explants isolated from mature seeds germinated on moist filter paper under aseptic conditions for 3 days in the dark and 2 days under light. Shoot regeneration frequency (percentage of explant-forming shoots) was about 90% when the proximal cotyledon portion with a 1 mm-long hypocotyl segment was first cultured on Murashige and Skoog (MS) medium supplemented with 6.0 mg/l benzylaminopurine (BA) and 0.2 mg/l naphthalene acetic acid (NAA) for 4 days and then transferred to MS medium containing 1 mg/l BA for 4 weeks. About 80% of the regenerated shoots could elongate further. The root induction medium was half-strength MS medium with 0.01 mg/l NAA and 0.01 mg/l BA. The average rooting frequency was about 93%.

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