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Growth, Allometry and Dry Matter Yield of Soybean Genotypes in Response to Seed Inoculation with Plant Growth Promoting Rhizobacteria

Growth, Allometry and Dry Matter Yield of Soybean Genotypes in Response to Seed Inoculation with Plant Growth Promoting Rhizobacteria

Ali Zohaib1*, Saima Yousaf1,2, Shakeel Ahmad Anjum1, Tahira Tabassum1, Tasawer Abbas3, Wardah Muzaffar1 and Wasiq Ikram2 

1Department of Agronomy, University of Agriculture, Faisalabad 38040, Pakistan; 2Department of Biological Sciences, Pakistan Institute of Engineering and Applied Sciences, Islamabad 45650, Pakistan; 3Department of Agronomy, University College of Agriculture, University of Sargodha, Sargodha 40100, Pakistan.

alizohaib208@gmail.com  

ABSTRACT

Besides being a costly input considerable losses of chemical fertilizers occur that add to environmental pollution and reduced nutrient use efficiency. However, plant growth promoting rhizobacteria (PGPR) are cheap and excellent alternate and can be applied as seed inoculation to enhance nutrient use efficiency along with reduced nutrient losses. A field experiment was conducted to evaluate the effect of seed inoculation viz. control (no treatment), Rhizobium japonicum (nitrogen fixing bacteria) and Pseudomonas fluorescens (phosphorus solubilizing bacteria) on growth, allometric traits and dry matter yield of different soybean genotypes viz. EBR4V4, Freedom and Swat-84. Seed inoculation significantly improved the total chlorophyll content, leaf area index, leaf area duration, crop growth rate and dry matter yield. Seed inoculation with P. fluorescens produced more pronounced results for all the studied traits as compared to R. japonicum. The tested genotypes of soybean did not differ for allometric traits and dry matter yield; however, EBR4V4 produced the tallest plants. In conclusion, seed inoculation of soybean improved the growth, allometric traits and dry matter yield of soybean, and could be employed for the betterment of crop productivity. 

 

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Pakistan Journal of Agricultural Research

March

Vol. 32, Iss. 1, Pages 1-217

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