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ENHANCING GROWTH OF LEUCAENA LEUCOCEPHALA SEEDLINGS BY STIMULATION OF SYMBIOTIC RELATIONSHIP BETWEEN VESICULAR ARBUSCULAR MYCORRHIZAL (VAM) AND NITROGEN FIXING BACTERIA UNDER PHO

Article

Last updated: 05 Jan 2025

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Botany and Horticultural Sciences

Abstract

 The woody legume known as Leucaena (Leucaena leucocephala) is found all over the globe. Its rapid growth and
capacity to fix nitrogen (N2) with rhizobia are the main contributors to improve its ecological, physiological, and commercial significance. Leucaena is an appropriate species to serve as a model for other woody legumes because of these traits. Therefore, its symbiotic relationship with mycorrhizal fungus has attracted a lot of interest. Plant stress responses can be mediated by vesicular arbuscular mycorrhizal fungal (VAM) symbionts via increasing stress tolerance. The study was carried out in a greenhouse at the private nursery in Itay El-Baroud city and the Laboratories of the Horticulture Department, Faculty of Agriculture, Damanhour University, in collaboration with the Laboratories of the Soil and Water Development Center, Damanhour, El-Beheira Governorate, Egypt, over two consecutive seasons, 2020 and 2021. This study was conducted to determine the effect of dual inoculation with endomycorrhizal fungi (VAM) and Rhizobium (R) bacteria on the growth and minerals of the leaves in seedlings of Leucaena in the presence and absence of rock phosphate, management of the stimulatory or antagonistic relationship of symbiotic factors (VAM and R). The experimental design was a split -plot system with five replications on randomized complete block design (RCBD).  Rock phosphate a rate of 1.5 g/1 kg soil fertilization and inoculation treatments with symbiotic-type (ST) (VAM, R, VAM+R and R+VAM) were distributed at random within the main (2 treatments) and sub-plots (5 treatments), respectively. The results showed that, when fertilized seedlings with rock phosphate (RP) as a natural source of phosphurs for plants were compared to unfertilized ones, shoot height, shoot growth rate, chlorophyll content, stem diameter, number of leaves, leaf area, total dry matter, nitrogen, phosphorus, and potassium content increased. In terms of the effect of the symbiotic agents, inoculated seedlings outperformed uninoculated ones in all growth parameters, particularly those dual inoculated with R+VAM. In conclusion, R and VAM inoculation together with rock phosphate had synergistic effects on Leucaena growth, especially when it was inoculated with (R)) first then with (VAM), when compared to single inoculation.

DOI

10.21608/jaesj.2023.201157.1073

Keywords

Mycorrhiza, Rock Phosphate, Leucaena leucocephala, Rhizobium

Authors

First Name

Samy

Last Name

Yacoub

MiddleName

-

Affiliation

Horticulture Department, Faculty of Agriculture, Damanhour University, El-Beheira, Egypt.

Email

samyyacoub338@yahoo.com

City

-

Orcid

-

First Name

Ahmed

Last Name

EL-Settawy

MiddleName

-

Affiliation

Forestry and Wood Technology Department, Faculty of Agriculture, Alexandria University, Egypt.

Email

a_settawy@yahoo.com

City

-

Orcid

-

First Name

Eman

Last Name

Sewedan

MiddleName

-

Affiliation

Horticulture Department, Faculty of Agriculture, Damanhour University, El-Beheira, Egypt.

Email

eswedan@yahoo.com

City

-

Orcid

-

First Name

Maneea

Last Name

Moubarak

MiddleName

-

Affiliation

Horticulture Department, Faculty of Agriculture, Damanhour University, El-Beheira, Egypt.

Email

drmaneea1981@agr.dmu.edu.eg

City

-

Orcid

0000-0002-3986-9294

First Name

Amira

Last Name

Osman

MiddleName

R.

Affiliation

Horticulture Department, Faculty of Agriculture, Damanhour University, El-Beheira, Egypt.

Email

osmanami1@hotmail.com

City

-

Orcid

0000-0001-7497-6426

Volume

22

Article Issue

1

Related Issue

40368

Issue Date

2023-04-01

Receive Date

2023-03-27

Publish Date

2023-04-01

Page Start

193

Page End

227

Print ISSN

1687-1464

Online ISSN

2735-5098

Article File

JAESJ_Volume 22_Issue 1_Pages 193-227.pdf

PDF . 1.2MB

Link

https://jaesj.journals.ekb.eg/article_297724.html

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https://jaesj.journals.ekb.eg/service?article_code=297724

Order

297,724

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Full research articles

Type Code

2,324

Publication Type

Journal

Publication Title

Journal of Agricultural and Environmental Sciences

Publication Link

https://jaesj.journals.ekb.eg/

MainTitle

ENHANCING GROWTH OF LEUCAENA LEUCOCEPHALA SEEDLINGS BY STIMULATION OF SYMBIOTIC RELATIONSHIP BETWEEN VESICULAR ARBUSCULAR MYCORRHIZAL (VAM) AND NITROGEN FIXING BACTERIA UNDER PHO

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Type

Article

Created At

29 Dec 2024