Article Abstract

Volume 24, No. (6), 2014 (December)
WHEAT RESPONSE TO ACC-DEAMINASEFLUORESCENT PSEUDOMONADS WITH VARYING PHOSPHATE SOLUBILIZING ACTIVITY ON A PHOSPHORUS DEFICIENT SOIL
J. Afzal1, Zia-ul-hassan1*, N. Depar2, M. Arshad3, S.S. Rao1, I. Rajpar1 and A.N. Shah4

J. Afzal, Zia-ul-hassan, N. Depar, M. Arshad, S.S. Rao, I. Rajpar and A.N. Shah

1Department of Soil Science, Sindh Agriculture University, Tandojam, Sindh, Pakistan
2Nuclear Institute of Agriculture, Tandojam, Sindh, Pakistan
3University of Agriculture Faisalabad, Punjab, Pakistan
4Department of Agronomy, Sindh Agriculture University, Tandojam, Sindh, Pakistan

Corresponding Author: zhnshah@gmail.com
DOI: NA
Page Number(s): 1834-1839
Published Online First: December 01, 2014
Publication Date: December 01, 2014
ABSTRACT

Rhizobacterial phosphate solubilization supports plant nutrition under phosphorus (P) deficiency stress. In this filed study we evaluated wheat response to ACC-deaminase-containing rhizobacterial strains, with or without phosphate-solubilizing activity, under varying levels of soil applied phosphatic fertilizer. The experiment was conducted on a P-deficient soilby using randomized complete block split plot design involving two factors. Factor Ainvolved three P doses (in main plots), i.e. 0(Control), 42.5 and 85 kg P2O5g ha-1. Factor B included three rhizobacterial treatments (in sub plots), i.e. No rhizobacterial seed inoculation (control) and wheat seed inoculation with ACC-deaminase Pseudomonas fluorescens with or without P-solubilizing activity. P nutrition of wheat plants at half and full recommended dose increased various plant growth and yield parameters of wheat in a range of 7.4 to128% and 9.6 to 144%, respectively, against control. ACC-deaminase Pseudomonas fluorescens without or with P-solubilizing activity increased various traits of wheat plants in a range of 1.4 to38% and 2.9 to86%, respectively, against control. The study concluded that Pseudomonas fluorescens with dual activities of ACC-demainase and phosphate solubilization play significant role in enhancing wheat growth and yield under both low- and high-P sustainable agriculture.

Keywords: Wheat, Triticumaestivum L., Phosphorus, Pseudomonas fluorescens, ACC-deaminase, phosphate-solubilization
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JCR Year: 2025

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Print ISSN: 1018-7081

Electronic ISSN: 2309-8694

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