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242885

SOLATION AND IDENTIFICATION OF SOME LOCAL ISOLATES OF Bradyrhizobium SP. (LUPINUS) USING SEROLOGICAL AND ANTIBIOTIC RESISTANCE MARKERS AND THEIR SYMBIOTIC PERFORMANCE UNDER DIFFE

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Last updated: 24 Dec 2024

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Abstract

From eight isolates of Bradyrhizobium sp. (Lup < /em>inus) (were selected from
many isolates on the basis of their N2-fixation efficient), four different groups were
obtained and identified according to their sensitivity and resistance to antibiotics
(lAR). On the basis of serological analysis, the representative isolates of IAR groups
showed compatibility, indicating the possible grouping of indigenous isolates of lupin
rhizobia into specific groups based on serological and IAR profiles of the isolates.
Variations among indigenous rhizobial populations of the isolates from lupin was
found, and showed that there is genetic potential to improve strain performance within
rhizobial population. In order to evaluate the symbiotic performance of selected
strains, a field experiment was conducted in two locations under different levels of N-
fertilizer. The results showed that the Rhizobium inoculation and N-fertilizer had low
effect in increasing the biomass and grain yield of white lupin cultivar. No interaction
was observed between inoculation and N-fertilizer levels in all studied parameters.
The biomass and seed yield tended to be greater with Rhizobium inoculation than
with N-fertilizer. The results also indicated the potential for improvement of N2-fixation
by lupin through the application of efficient rhizobia strains such as ARC 401 and
ARC 408.

DOI

10.21608/jacb.2004.242885

Keywords

Lupinus albus L, Indigenous isolates, Rhizobium strains, N-fertilizer, Competition

Authors

First Name

A.

Last Name

Abdel-Wahab

MiddleName

F.M.

Affiliation

SOils, Water and Environment Res. Instit., Dept. of Soil Microbiology, ARC, Giza, Egypt.

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City

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Orcid

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First Name

Nadia

Last Name

Ghalab

MiddleName

M.A.

Affiliation

SOils, Water and Environment Res. Instit., Dept. of Soil Microbiology, ARC, Giza, Egypt.

Email

-

City

-

Orcid

-

First Name

G.

Last Name

Mekhemar

MiddleName

A.A.

Affiliation

SOils, Water and Environment Res. Instit., Dept. of Soil Microbiology, ARC, Giza, Egypt.

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City

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Orcid

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Volume

29

Article Issue

11

Related Issue

34829

Issue Date

2004-11-01

Receive Date

2022-06-09

Publish Date

2004-11-01

Page Start

6,569

Page End

6,579

Print ISSN

2090-3626

Online ISSN

2090-3707

Article File

JACB_Volume 29_Issue 11_Pages 6569-6579.pdf

PDF . 3.0MB

Link

https://jacb.journals.ekb.eg/article_242885.html

Detail API

https://jacb.journals.ekb.eg/service?article_code=242885

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4

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Original Article

Type Code

883

Publication Type

Journal

Publication Title

Journal of Agricultural Chemistry and Biotechnology

Publication Link

https://jacb.journals.ekb.eg/

MainTitle

SOLATION AND IDENTIFICATION OF SOME LOCAL ISOLATES OF Bradyrhizobium SP. (LUPINUS) USING SEROLOGICAL AND ANTIBIOTIC RESISTANCE MARKERS AND THEIR SYMBIOTIC PERFORMANCE UNDER DIFFERENT LEVELS OF N-FERTILIZATION

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Article

Created At

22 Jan 2023