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Inorganic phosphate solubilization by phosphate solubilising fungi isolated from acidic soils

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Title Inorganic phosphate solubilization by phosphate solubilising fungi isolated from acidic soils
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Creator S. K. Naik
S. Maurya
Ritesh Kumar
K. Sadhna
S. Gagrai
B. Das
S. Kumar
B. P. Bhatt
 
Subject Acid phosphatase
fungi
phosphorus
 
Description Not Available
The experiment was conducted to evaluate the native phosphate solubilizing fungi on inorganic
phosphate solubilization in the acidic soils of Jharkhand, India. Mineral phosphate solubilizing
activities of three fungal isolates were tested in tricalcium phosphate and ferric phosphate medium by
analyzing the possible phosphorus release and phosphatase activity from 5th, 10th and 15th day of
incubation. Maximum P release was observed on 5th and 10th day of incubation in ferric phosphate and
tricalcium phosphate medium, respectively, by all the isolates. Among the isolates, Aspergillus niger
induced highest P release of 635 and 695 μg ml-1 and resulted in 75 and 77% P solubilisation in
tricalcium phosphate and ferric phosphate medium, respectively. The pH of the culture filtrate medium
gradually decreased with the progress of incubation and maximum decrease was observed between 5-
10th day of incubation by all the fungal species. The highest peak of acid phosphatase activity in culture
filtrates of fungal isolates were observed on 5th and 10th day of incubation in ferric phosphate and
tricalcium phosphate medium, respectively. The highest acid phosphatase activity of 73 U was induced
both by Aspergillus niger and Trichoderma viride in tricalcium phosphate medium. However, the
highest acid phosphatase activity in ferric phosphate medium was 51 U induced by A. niger. Among the
isolates, A. niger was more efficient in solubilising the inorganic P followed by T. viride and Penicillium
chrysogenum.
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Date 2021-08-16T09:17:31Z
2021-08-16T09:17:31Z
2013-08-01
 
Type Research Paper
 
Identifier Naik, S.K., Maurya, S., Kumar, R., Sadhna, K., Gagrai, S., Das, B., Kumar, S. and Bhatt, B.P., 2013. Inorganic phosphate solubilization by phosphate solubilizing fungi isolated from acidic soils. African Journal of Microbiology Research, 7(34), pp.4310-4316.
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http://krishi.icar.gov.in/jspui/handle/123456789/57256
 
Language English
 
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Publisher Not Available