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Studies on dual inoculation of potassium solubilizing bacteria and phosphorus solubilizing Bacteria on growth and yield of maize (Zea mays L.)

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Title Studies on dual inoculation of potassium solubilizing bacteria and phosphorus solubilizing Bacteria on growth and yield of maize (Zea mays L.)
 
Creator Kunoto.Y.Chishi
 
Contributor V.P.Savalagi
 
Subject Agricultural Microbiology
 
Description A glasshouse experiment was conducted during kharif 2009 at Main Agricultural
Research Station, Dharwad to study the effect of dual inoculation of potassium solubilizing
bacteria (KSB) and phosphorus solubilizing bacteria (PSB) on growth and yield of maize.
Bacterial isolates of potassium solubilizing bacteria (KSB) and phosphorus
solubilizing bacteria (PSB) were collected from Department of Agriculture Microbiology,
University of Agricultural Sciences, Dharwad. All the bacterial isolates were tested for K and
P solubilization and characterized upto genus level based on morphological characters. In
vitro K solubilization by bacteria ranged from 2.41 μg/ml to 44.64 μg/ml and in vitro Pi
released by the PSB isolates from TCP ranged from 17.47 to 21.5 per cent. Three efficient K
solubilizing bacteria and P solubilizing bacteria were examined for their influence on growth,
and yield of maize plant under glass house condition. All the treatment with dual inoculation
of KSB and PSB were found to increase growth parameters, nutrient content and yield
components compared to control and with single inoculation of KSB and PSB. Three strains
of present study viz., KSB 11, KSB 16 and KSB 27 in combination with PSB 98(2) showed
higher potential. Dehydrogenase, Urease and Phosphatase activities in rhizosphere soil of
maize were significantly higher in the treatment inoculated with KSB + PSB as compared to
control and single inoculation. Thus it can be inferred that combination of potassium
solubilizing bacteria (KSB) and phosphorus solubilizing bacteria (PSB) have the potential to
be used as bioinoculants.
 
Date 2016-11-08T13:44:33Z
2016-11-08T13:44:33Z
2010
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/84436
 
Format application/pdf
 
Publisher UAS, Dharwad