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园艺学报 ›› 2006, Vol. 33 ›› Issue (5): 1048-1050.

• 研究报告 • 上一篇    下一篇

‘富有’和‘次郎’甜柿叶片再生植株的研究

马俊莲1;刘恺2;张子德1   

  1. (1 河北农业大学食品科技学院, 河北保定071001; 2 保定师范专科学校化学系, 河北保定071051)
  • 收稿日期:2006-05-10 修回日期:2006-08-16 出版日期:2006-10-25 发布日期:2006-10-25

Shoot Regeneration from Leaves of ‘Fuyu’and ‘J iro’Persimmon

Ma Junlian1;Liu Kai2;Zhang Zide1   

  1. (1College of Food Science and Technology, Agricultural University of Hebei, Baoding, Hebei 071001, China; 2Department of Chemistry, Baoding Teachers College, Baoding, Hebei 071051, China)
  • Received:2006-05-10 Revised:2006-08-16 Online:2006-10-25 Published:2006-10-25

摘要:

比较了不同生长调节剂及其种类浓度和培养时间对‘富有’和‘次郎’两个甜柿(Diospyros kaki Thunb. ) 品种的叶片愈伤组织诱导和不定芽再生的影响。TDZ诱导叶片愈伤组织和不定芽再生的能力很强, 在含ZT 0.5 mg·L - 1的培养基中, 愈伤组织的形成率达96% , 愈伤组织不定芽分化率达80%以上,由0.5 mg·L - 1 TDZ诱导形成的富有和次郎愈伤组织, 在含有ZT 0.5 mg·L - 1的1/2DKW培养基培养30 d,不定芽分化率均达96%以上, 平均芽数分别为7.8和5.4, 所得再生苗的生根率近75%。

关键词: 柿, TDZ, 叶片, 植株再生, 愈伤组织

Abstract: Studies were carried out on high-frequency shoot regeneration from leaves of Fuyu and Jiro,two Japanese non-astringent persimmon. The effects of growth regulator and cultural time on the adventitious shoot regeneration from leaves were investigated. The results showed that TDZ was a strong and efficient hormone inducing adventitious shoot and calli formation. The best regeneration was achieved in 1 /2DKW + TDZ 0.5 mg·L - 1 + ZT 1.0 mg·L - 1 , in which callus percentage was 96% and shooting was near above 80%.
After 30 day culture, the calliwith small shootingwere transferred to 1 /2DKW medium supp lemented with 0.5 mg·L - 1 zeatin and 0.1 mg·L - 1 IAA. Shooting regeneration rate were more than 96% , and average adventitious shoots per exp lantwere 7.8 and 5.4 respectively for Fuyu and Jiro after 30 days culture. Rooting percentage from regenerated shootswas about 75%.

Key words: Persimmon, TDZ, Leaf, Plant regeneration, Callus

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