Efficient and simple plant regeneration via organogenesis from leaf segment cultures of persimmon (Diospyros kaki Thunb.)

J. Y. Choi, H. J. Kim, C. H. Lee, J. M. Bae, Y. S. Chung, Jeong Sheop Shin, N. I. Hyung

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

An efficient and simple plant regeneration system via organogenesis from leaf segments of persimmon (Diospyros kaki Thunb.) cultivars 'Fuyu' and 'Nishimurawase' has been developed. The regeneration capacity was influenced by the culture vessels, gelling agents, plant growth regulators, and light conditions. Leaf explants taken from in vitro shoots were cultured on a modified Murashige and Skoog medium (MS1/2N) for 16 wk without transfer to fresh medium. Adventitious shoots appeared after 4 and 8 wk in culture of 'Nishimurawase' and 'Fuyu' tissues, respectively. The culture of leaf explants in Erlenmeyer flasks with medium containing 4 g l-1 agar enhanced shoot formation in comparison to media with increased agar concentrations. Optimal shoot regeneration was obtained with 5 mg l-1 (22.8 μM) zeatin and 0.1 mg l-1 (0.05 μM) indole-3-butyric acid (IBA) for 'Nishimurawase', and 10 mg l-1 (45.6 μM) zeatin and 0.1 mg l-1 (0.05 μM) IBA for 'Fuyu'. Shoot regeneration frequencies in both cultivars were 100%, and shoot numbers per explant reached up to 9.2 for 'Nishimurawase' and 2.2 for 'Fuyu'. Dark incubation during the first 4-5 wk was the most effective condition to successfully influence shoot regeneration in both cultivars. While dark incubation was essential for adventitious shoot formation by 'Fuyu', it was only slightly beneficial to 'Nishimurawase'. More than 80% of the regenerated shoots rooted within 4 wk on hormone-free MS1/2N medium after having been dipped for 30 s in 250 mg l-1 (1.1 mM) 1BA solution.

Original languageEnglish
Pages (from-to)274-279
Number of pages6
JournalIn Vitro Cellular and Developmental Biology - Plant
Volume37
Issue number2
Publication statusPublished - 2001 Oct 24

Fingerprint

Diospyros
Zeatin
Diospyros kaki
Organogenesis
persimmons
organogenesis
Agar
Regeneration
Plant Growth Regulators
shoots
leaves
Hormones
explants
Tissue
zeatin
adventitious shoots
indole butyric acid
cultivars
agar
gelling agents

Keywords

  • Adventitious shoot formation
  • Culture vessel
  • Dark culture
  • Light condition
  • Plant growth regulators

ASJC Scopus subject areas

  • Plant Science
  • Cell Biology
  • Developmental Biology
  • Embryology

Cite this

Efficient and simple plant regeneration via organogenesis from leaf segment cultures of persimmon (Diospyros kaki Thunb.). / Choi, J. Y.; Kim, H. J.; Lee, C. H.; Bae, J. M.; Chung, Y. S.; Shin, Jeong Sheop; Hyung, N. I.

In: In Vitro Cellular and Developmental Biology - Plant, Vol. 37, No. 2, 24.10.2001, p. 274-279.

Research output: Contribution to journalArticle

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abstract = "An efficient and simple plant regeneration system via organogenesis from leaf segments of persimmon (Diospyros kaki Thunb.) cultivars 'Fuyu' and 'Nishimurawase' has been developed. The regeneration capacity was influenced by the culture vessels, gelling agents, plant growth regulators, and light conditions. Leaf explants taken from in vitro shoots were cultured on a modified Murashige and Skoog medium (MS1/2N) for 16 wk without transfer to fresh medium. Adventitious shoots appeared after 4 and 8 wk in culture of 'Nishimurawase' and 'Fuyu' tissues, respectively. The culture of leaf explants in Erlenmeyer flasks with medium containing 4 g l-1 agar enhanced shoot formation in comparison to media with increased agar concentrations. Optimal shoot regeneration was obtained with 5 mg l-1 (22.8 μM) zeatin and 0.1 mg l-1 (0.05 μM) indole-3-butyric acid (IBA) for 'Nishimurawase', and 10 mg l-1 (45.6 μM) zeatin and 0.1 mg l-1 (0.05 μM) IBA for 'Fuyu'. Shoot regeneration frequencies in both cultivars were 100{\%}, and shoot numbers per explant reached up to 9.2 for 'Nishimurawase' and 2.2 for 'Fuyu'. Dark incubation during the first 4-5 wk was the most effective condition to successfully influence shoot regeneration in both cultivars. While dark incubation was essential for adventitious shoot formation by 'Fuyu', it was only slightly beneficial to 'Nishimurawase'. More than 80{\%} of the regenerated shoots rooted within 4 wk on hormone-free MS1/2N medium after having been dipped for 30 s in 250 mg l-1 (1.1 mM) 1BA solution.",
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