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Response of arbuscular mycorrhizal fungi on wheat (triticum aestivum L.) Grown conventionally and on beds in a sandy loam soil
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Sharma, Mahaveer P., Reddy, Ubbara Gangi and Adholeya, Alok (2011) Response of arbuscular mycorrhizal fungi on wheat (triticum aestivum L.) Grown conventionally and on beds in a sandy loam soil. Indian Journal of Microbiology, Vol.51 (No.3). pp. 384-389. doi:10.1007/s12088-011-0134-1 ISSN 0046-8991.
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Official URL: http://dx.doi.org/10.1007/s12088-011-0134-1
Abstract
The present study was undertaken to assess the benefit and compare the functioning of AM fungi on wheat grown conventionally and on beds. Ten treatment combinations were used, treatments 1 and 2: no fertilizers with and without arbuscular mycorrhizal (AM) fungi (In vitro produced Glomus intraradices); 3:100% of recommended NPK: (120 kg ha(-1) N; 60 kg ha(-1) P; 50 kg ha(-1) K), and 4 and 5: 75% of recommended NPK dose with and without AM inoculation in a 5 x 2 split-plot design on wheat using conventional/flat system and elevated/raised bed system. The maximum grain yield (3.84 t ha(-1)) was obtained in AM fungi inoculated plots of raised bed system applied with 75% NPK and was found higher (although non- significant) than the conventional (3.73 t ha(-1)) system. The AM inoculation at 75% fertilizer application can save 8.47, 5.38 kg P and 16.95, 10.75 kg N ha(-1), respectively, in bed and conventional system. While comparing the yield response with 100% fertilizer application alone, AM inoculation was found to save 20.30, 15.79 kg P and 40.60, 31.59 kg N ha(-1), respectively, in beds and conventional system. Mycorrhizal inoculation at 75% NPK application particularly in raised bed system seems to be more efficient in saving fertilizer inputs and utilizing P for producing higher yield and growth unlike non-mycorrhizal plants of 100% P. Besides the yield, mycorrhizal plants grown on beds had higher AM root colonization, soil dehydrogenases activity, and P-uptake. The present study indicates that the inoculation of AM fungi to wheat under raised beds is better response (although non-significantly higher) to conventional system and could be adopted for achieving higher yield of wheat at reduced fertilizer inputs after field validation.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QK Botany S Agriculture > S Agriculture (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Vesicular-arbuscular mycorrhizas, Vesicular-arbuscular mycorrhizas -- Biotechnology, Wheat, Sandy loam soils | ||||
Journal or Publication Title: | Indian Journal of Microbiology | ||||
Publisher: | Springer (India) Private Ltd. | ||||
ISSN: | 0046-8991 | ||||
Official Date: | July 2011 | ||||
Dates: |
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Volume: | Vol.51 | ||||
Number: | No.3 | ||||
Page Range: | pp. 384-389 | ||||
DOI: | 10.1007/s12088-011-0134-1 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Funder: | Indo-Swiss Collaboration in Biotechnology (ISCB), India. Dept. of Biotechnology (DBT) |
Data sourced from Thomson Reuters' Web of Knowledge
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