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Optimizing Micropropagation Protocol for Rosa hybrida cv. Eiffel Tower with Improved in vitro Rooting Ability

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Last updated: 01 Jan 2025

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Abstract

In vitro propagation techniques were studied to establish a protocol for rapid and mass production of Rosa spp. cv. Eiffel Tower, an important and endangered cultivar. Several experiments were conducted through a two-stage procedure: multiplication stage and rooting of microshoots stage.  For multiplication, the best results were obtained when nodal segments were cultured on MS medium supplemented with BAP at 1mg/l and/or Kinetin at 0.5 mg/l. The highest shoots number (3.17 shoots/explant) was obtained when 0.5 mg/l BAP was added to the medium. Kinetin at 0.5 mg/l produced the highest shoot number/explant (3.67 shoots), and shoot length (3.67 cm). The interaction between BAP at 1 mg/l plus kinetin at 0.5 mg/l gave the highest shoot number/explant (4 shoots). For rooting, the best interaction effect on rooting percentage (61.00%), highest number of roots/shoot (5.12) and root length (3.33 cm) were observed when the shoots were cultured on hormone-free MS medium and pH level was adjusted to 5.5. Moreover, adjusting the medium pH to 5.5 formed roots faster in 17.67 days followed by medium with pH level 4.5 (18 days).  The medium with pH at 5.5 supplemented with 50 g/l sucrose produced the highest significant value of rooting (85%) and enhanced root formation in 7.5 days. The rooted plantlets were transplanted into the potting substrate and successfully acclimatized in the laboratory then transferred to the field with a survival rate of 55%. After 6 month, the plantlets reached ~ 22 cm in length and 5.50 leaves/plant

DOI

10.21608/ejoh.2018.4906.1075

Keywords

Rose, MS medium pH, Nodal segments, sucrose%, kinetin, BAP

Authors

First Name

Azza A.

Last Name

Tawfik

MiddleName

-

Affiliation

Department of Ornamental Plants and Landscape Gardening, Faculty of Agriculture, Assiut University, Egypt

Email

azza7799@yahoo.com

City

Assiut

Orcid

0000-0003-0477-3863

First Name

Omer Hosni Mohmed

Last Name

Ibrahim

MiddleName

-

Affiliation

Department of Ornamental Plants and Landscape gardening, Faculty of Agriculture, Assiut University, Assiut, Egypt

Email

omer_hooo@yahoo.com

City

Assiut

Orcid

0000-0002-6628-219X

First Name

Essam

Last Name

Abdul-Hafeez

MiddleName

Y.

Affiliation

Department of Ornamental Plants and Landscape Gardening, Faculty of Agriculture, Assiut University, Egypt

Email

noresam_2000@yahoo.com

City

Assiut

Orcid

0000-0003-4744-4672

First Name

Samar

Last Name

Ibrahim

MiddleName

A.I.

Affiliation

Horticulture Department, Faculty of Agriculture, New valley branch, Assiut University, Egypt

Email

samaramin235@yahoo.com

City

-

Orcid

-

Volume

45

Article Issue

2

Related Issue

869

Issue Date

2018-08-01

Receive Date

2018-08-26

Publish Date

2018-08-01

Page Start

323

Page End

335

Print ISSN

1110-0206

Online ISSN

2357-0903

Link

https://ejoh.journals.ekb.eg/article_17155.html

Detail API

https://ejoh.journals.ekb.eg/service?article_code=17155

Order

10

Type

Original Article

Type Code

137

Publication Type

Journal

Publication Title

Egyptian Journal of Horticulture

Publication Link

https://ejoh.journals.ekb.eg/

MainTitle

Optimizing Micropropagation Protocol for Rosa hybrida cv. Eiffel Tower with Improved in vitro Rooting Ability

Details

Type

Article

Created At

22 Jan 2023