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Effect of Bio-fertilizers on Biological Nitrogen Fixation of Banana Cv. Giant Cavendish


Affiliations
1 ICAR-Regional Centre-NEH, Mizoram Centre, Kolasib Mizoram, India
2 ICAR-RC for NEH, Sikkim Centre, Gangtok Sikkim, India
3 Krisi Vigyan Kendra, MAMIT Mizoram, India
4 Agricultural College, Bihar Agricultural University, Sabour, Bhagalpur Bihar, India
5 Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi U.P.
     

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The effect of bio-fertilizer was studied in banana accessions intensively collected from ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib, Mizoram during 2009-2010. To assess the efficacy of different bio-fertilizer viz., Azospirillium, Azotobacter and phosphorus solubilizing bacteria (PSB) either alone or in combination was applied 20g per plant with recommended dose of FYM. The six treatments were arranged in a Randomized Block Design in three replications and spaced at 2.5 × 2.5 m in order to study its effect on growth, yield and quality attributing traits. All the characters were significantly increased except number of suckers and number of leaves due to application of each of the two-bio fertilizers either separately or in combination. Moreover in combination ofAzotobacter + PSB 20g per plant showed that more effective than either combination or in separately of another bio-fertilizers. This might be due to because biological nitrogen fixation depends appreciably on the available form of phosphorus. So the combined inoculation of nitrogen fixers and PSB may benefit the plant better (by providing both nitrogen as well as phosphorus) than either alone.

Keywords

Bio- Fertilizer, Nitrogen Fixation, Azospirillium, Azotobacter, PSB, Banana
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  • Effect of Bio-fertilizers on Biological Nitrogen Fixation of Banana Cv. Giant Cavendish

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Authors

Santosh Kumar
ICAR-Regional Centre-NEH, Mizoram Centre, Kolasib Mizoram, India
K. A. Pathak
ICAR-RC for NEH, Sikkim Centre, Gangtok Sikkim, India
K. Kishore
Krisi Vigyan Kendra, MAMIT Mizoram, India
R. Shukla
Agricultural College, Bihar Agricultural University, Sabour, Bhagalpur Bihar, India
S. S. Solankey
Agricultural College, Bihar Agricultural University, Sabour, Bhagalpur Bihar, India
D. K. Singh
Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi U.P.

Abstract


The effect of bio-fertilizer was studied in banana accessions intensively collected from ICAR Research Complex for NEH Region, Mizoram Centre, Kolasib, Mizoram during 2009-2010. To assess the efficacy of different bio-fertilizer viz., Azospirillium, Azotobacter and phosphorus solubilizing bacteria (PSB) either alone or in combination was applied 20g per plant with recommended dose of FYM. The six treatments were arranged in a Randomized Block Design in three replications and spaced at 2.5 × 2.5 m in order to study its effect on growth, yield and quality attributing traits. All the characters were significantly increased except number of suckers and number of leaves due to application of each of the two-bio fertilizers either separately or in combination. Moreover in combination ofAzotobacter + PSB 20g per plant showed that more effective than either combination or in separately of another bio-fertilizers. This might be due to because biological nitrogen fixation depends appreciably on the available form of phosphorus. So the combined inoculation of nitrogen fixers and PSB may benefit the plant better (by providing both nitrogen as well as phosphorus) than either alone.

Keywords


Bio- Fertilizer, Nitrogen Fixation, Azospirillium, Azotobacter, PSB, Banana