Improving sugarcane growth and nutrient uptake by inoculating Gluconacetobacter diazotrophicus

Seven Gluconacetobacter diazotrophicus strains from sugarcane roots were screened for their efficiency to promote growth and nutrient uptake in sugarcane at three levels of urea N (0, 75, and 150 kg N ha-1). Inoculation by these strains improved germination, tiller number and plant height. N-uptake...

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Bibliographic Details
Published in:Plant growth regulation 2005-11, Vol.47 (2-3), p.155-162
Main Authors: Suman, A, Gaur, A, Shrivastava, A.K, Yadav, R.L
Format: Article
Language:English
Subjects:
endophytes
Gluconacetobacter diazotrophicus
Immunization
Nitrogen
Nutrient uptake
Plant growth
roots
Saccharum officinarum
seed germination
Sugarcane
symbiosis
tillers
Urea
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Summary:Seven Gluconacetobacter diazotrophicus strains from sugarcane roots were screened for their efficiency to promote growth and nutrient uptake in sugarcane at three levels of urea N (0, 75, and 150 kg N ha-1). Inoculation by these strains improved germination, tiller number and plant height. N-uptake and apparent N-recovery increased due to inoculation and the effect was more at N75 level. Gluconacetobacter diazotrophicus isolate IS100 was found to be the most efficient in promoting plant growth and nutrient uptake in sugarcane.
ISSN:0167-6903
1573-5087
DOI:10.1007/s10725-005-2847-9