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98703

Effects of Phosphate Solubilizing Microorganisms on Wheat Yield and Phosphatase Activity

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Last updated: 01 Jan 2025

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Abstract

PHOSPHATE solubilizing capacity of four strains, Pseudomonas fluorescence, Bacillus megaterium, Serratia marcescens, and Bacillus subtilis was assessed in liquid National Botanical Research Institute's phosphate medium containing rock phosphate (RP). A greenhouse pot experiment was conducted to evaluate the effects of inoculation with arbuscular mycorrhizal (AM) fungi alone or in combination with each strain with and without RP on wheat (Triticum aestivum Gemeza-9) growth, yield, nutrient uptake and the activity of alkaline phosphatase. The amounts of P released from RP by bacterial strains ranged from 0.22 to 80.8mg P L-1 and the pH values of the cultures were reduced from initial value of 7.3 to values varied between 4.04 and 6.62. The results indicated that B. subtilis was the most effective strain in solubilizing RP in liquid culture. The combined inoculation with bacterial strains and AM fungi led to a significant increase in soil P content and alkaline phosphatase activity compared with both the non-inoculated and the individually inoculated soil, and this increase was much higher after 69 days comparing with those after 130 days. In RP-amended soil, B. subtilis and P. fluorescence were more effective in increasing NPK uptake of wheat straw and grains compared with S. marcescens and B. megaterium when inoculated with AM fungi. This study is concluded that the combined inoculation plus RP gave better results for wheat grown in sandy soil. Further researches are required to estimate this study under field conditions and different soils to give reliable results.

DOI

10.21608/ejm.2020.20675.1137

Keywords

AM fungi, NPK, Phosphatase, Phosphate solubilizing bacteria, Wheat

Authors

First Name

Rawia O.

Last Name

Shams El-Deen

MiddleName

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Affiliation

Soils, Water and Environmental Research Institute, Agriculture Research Center, Giza, Egypt

Email

rawia_shamseldien@yahoo.com

City

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Orcid

0000-0003-3097-751X

First Name

Samy A. M.

Last Name

Abd El-Azeem

MiddleName

-

Affiliation

Soil and Water Department, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt

Email

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City

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Orcid

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First Name

Atef F.

Last Name

Abd Elwahab

MiddleName

-

Affiliation

Soils, Water and Environmental Research Institute, Agriculture Research Center, Giza, Egypt

Email

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City

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Orcid

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First Name

Saleh S.

Last Name

Mabrouk

MiddleName

-

Affiliation

Soil and Water Department, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt

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City

-

Orcid

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Volume

55

Article Issue

The 14th Conference of Applied Microbiology

Related Issue

14972

Issue Date

2020-06-01

Receive Date

2019-12-08

Publish Date

2020-06-01

Page Start

71

Page End

86

Print ISSN

0022-2704

Online ISSN

2357-0881

Link

https://ejm.journals.ekb.eg/article_98703.html

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https://ejm.journals.ekb.eg/service?article_code=98703

Order

7

Type

Original Article

Type Code

121

Publication Type

Journal

Publication Title

Egyptian Journal of Microbiology

Publication Link

https://ejm.journals.ekb.eg/

MainTitle

Effects of Phosphate Solubilizing Microorganisms on Wheat Yield and Phosphatase Activity

Details

Type

Article

Created At

22 Jan 2023