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84897

MICROPROPAGATION OF GLOBE ARTICHOKE PLANT (Cynara scolymus L.). 1- EFFECT OF SODIUM HYPOCHLORITE CONCENTRATIONS, CYTOKININS AND SUBCULTURES NUMBER ON SHOOTS MULTIPLICATION RATE.

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Last updated: 04 Jan 2025

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Abstract

An efficient protocol for both development of aseptic tissue cultures and shoots regeneration for Cynara scolymus L. cv. Herious was established by using in vitro micropropagation technique. Meristem tips of good young offshoots from selected globe artichoke plants were used as explants. Dipping shoot tips (1-2 cm length) in 70% ethanol for 5-10 seconds followed by 0.1% HgCl2 (W/v) for 2 minutes and then in 3% sodium hypochlorite for 20 minutes was the most effective sterilizing and disinfectant treatment for surviving the majority of meristem tip cultures after 5 weeks of culturing. In the establishment stage, adding 0.5 mg thidiazuron (TDZ) /l to MS basal medium gave the best values for both shoots and leaves number but registered middle values for average shoots length compared to the other treatments. Concerning the multiplication stage, among the different cytokinin types and concentrations used such as 2iP, BA and Kin (at 0.5, 2.5 and 5.0 mg /l for each) and TDZ (at 0.05, 0.5 and 1.0 mg /l) in addition to control treatment (hormone-free MS medium), 2iP with all concentrations recorded the highest values in this respect in terms of shoots and leaves number and average shoots length. The multiplication rate of proliferated globe artichoke shoots and average shoots length were markedly increased with increasing subcultures number on MS basal medium augmented with  5.0 mg 2iP /l + 1.0 mg IAA /l till the fourth subculture then declined thereafter during the fifth one.

DOI

10.21608/jpp.2012.84897

Keywords

Globe artichoke, Cynara scolymus, micropropagation, in vitro multiplication, cytokinins

Authors

First Name

K.

Last Name

Dawa

MiddleName

K.

Affiliation

Vegetables and Ornamentals Dept., Faculty of Agriculture, Mansoura University, Mansoura, Egypt.

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First Name

W.

Last Name

El-Saady

MiddleName

A.

Affiliation

Vegetables and Ornamentals Dept., Faculty of Agriculture, Mansoura University, Mansoura, Egypt.

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First Name

M.

Last Name

El-Denary

MiddleName

E.

Affiliation

Potato and Vegetatively Propagated Veget., Hort. Res. Inst., Agric. Res. Center, Egypt.

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Orcid

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First Name

I.

Last Name

Abo-Elglagel

MiddleName

M.

Affiliation

Potato and Vegetatively Propagated Veget., Hort. Res. Inst., Agric. Res. Center, Egypt.

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Volume

3

Article Issue

7

Related Issue

12800

Issue Date

2012-07-01

Receive Date

2020-04-22

Publish Date

2012-07-01

Page Start

2,237

Page End

2,248

Print ISSN

2090-3669

Online ISSN

2090-374X

Link

https://jpp.journals.ekb.eg/article_84897.html

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https://jpp.journals.ekb.eg/service?article_code=84897

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14

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Original Article

Type Code

887

Publication Type

Journal

Publication Title

Journal of Plant Production

Publication Link

https://jpp.journals.ekb.eg/

MainTitle

MICROPROPAGATION OF GLOBE ARTICHOKE PLANT (Cynara scolymus L.). 1- EFFECT OF SODIUM HYPOCHLORITE CONCENTRATIONS, CYTOKININS AND SUBCULTURES NUMBER ON SHOOTS MULTIPLICATION RATE.

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Article

Created At

22 Jan 2023