ALKALI TOLERANT PENICILLUM ASTURIANUM AS PLANT GROWTH PROMOTER FOR NUTRIENT DEFICIENT CALCAREOUS SOIL.


Kausik Basu, T.g Vimala Kumari, Amit C Kharkwal, Ajit Varma, Vivek Kumar

Abstract


ABSTRACT:

Objectives: Calcareous soils of India with high soil pH and nutrient deficiency has always been a problem for crop cultivation. Crops grown in these soil record severe nutrient deficiency and yield loss. Biological remediation by microorganism is a novel approach for problematic calcareous soils and can play a major role in enhancing the crop production.

Methods: A study was conducted for isolation of native microbial flora from areas where soils having pH more than 8.0.

Results: An alkali tolerant Penicillium asturianum (IPL/KB/F3) was isolated from soils recorded with high pH (alkali soils). The isolates showed remarkable amount of alkali tolerance and phosphate solubilising activity along with other insoluble elements. In vitro study showed 54±1.13 to 92±1.16 µg/ml of Phosphate solubilisation within 3-5 days. The isolate was able to tolerate high alkaline pH upto 11.0 and was able to solubilise micronutrients. The isolated Penicillium spp. were allowed to grow at higher concentration of Calcium Carbonate and were studied for its ability for nutrient solubilisation of different insoluble micronutrients.

Conclusion: The high tolerance to alkaline pH and capability of nutrient solubilisation by Penicillium asturianum (strain no. IPL/KB/F3) thus identified as novel isolate and can be used as a biological input to improve crop cultivation in alkaline soil.

Key words:  Calcareous soil, Isolation, Alkali tolerant, Penicillium asturianum, acid production, Nutrient Solubilisation.


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About this article

Title

ALKALI TOLERANT PENICILLUM ASTURIANUM AS PLANT GROWTH PROMOTER FOR NUTRIENT DEFICIENT CALCAREOUS SOIL.

Date

01-04-2016

Additional Links

Manuscript Submission

Journal

Innovare Journal of Agricultural Sciences
Vol 4 Issue 2 2016 ( Apr-Jun) Page: 8-12

Online ISSN

2321-6832

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Authors & Affiliations

Kausik Basu
Amity Institute of Microbial Technology (AIMT), Amity University Uttar Pradesh, Sector 125, Noida 201303, Uttar Pradesh, India,
India

T.g Vimala Kumari
Amity Institute of Microbial Technology (AIMT), Amity University Uttar Pradesh, Sector 125, Noida 201303, Uttar Pradesh, India,
India

Amit C Kharkwal
Amity Institute of Microbial Technology (AIMT), Amity University Uttar Pradesh, Sector 125, Noida 201303, Uttar Pradesh, India,
India

Ajit Varma
Amity Institute of Microbial Technology (AIMT), Amity University Uttar Pradesh, Sector 125, Noida 201303, Uttar Pradesh, India,
India

Vivek Kumar
Amity Institute of Microbial Technology (AIMT), Amity University Uttar Pradesh, Sector 125, Noida 201303, Uttar Pradesh, India,
India


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