International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(7): 1076-1085

Influence of Different Levels of Phosphorus on the Effectiveness of Arbuscular Mycorrhizae in Rice Rhizosphere
Ipsita Ojah1*, Dhruba Jyoti Nath2, Anjuma Gayan3 and Smrita Buragohain1
1Department of Soil Science, Assam Agricultural University, Jorhat-785013, India
2AINP on Soil Biodiversity-Biofertilizers, Department of Soil Science, Assam Agricultural University, Jorhat-785013, India
3College of Sericulture, Assam Agricultural University, Jorhat-785013,
*Corresponding author

Arbuscular Mycorrhyzae Fungal (AMF) spores were obtained through mass multiplication in maize (in a previous experiment) as a host crop. A study was conducted to test the effectiveness of AMF in rice as host, with three levels of P2O5 (0, 20 and 40 kg/ha) under submerged condition. By reducing levels of P2O5 to 50 % (20 kg/ha) comparable plant biomasses were recorded (P < 0.05) under AMF inoculation with that of highest level of P2O5 (40 kg/ha) with or without AMF inoculation. By reducing the P supply (20 kg/ha), measurable effect of mycorrhyzae (P < 0.05) was obtained for P and N concentration (1.27 and 7.88mg/g respectively) and their uptake (20.63 and 127.50 mg/plant respectively) in rice plants which were comparable with un-inoculated plants at 40 kg P2O5/ha. AMF spores and root colonization were found at all levels of P supply, although overall the numbers of mycorrhyzal spores and per cent root colonization decreased with increasing P under mycorrhyza inoculation which implies that saturation or inundation does not necessarily prevent the development of AMF association.

Keywords: Arbuscular Mycorrhyzal fungi, Spore abundance, Root colonization, Different doses of phosphorus, Phosphomonoesterase activity

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How to cite this article:

Ipsita Ojah, Dhruba Jyoti Nath, Anjuma Gayan and Smrita Buragohain. 2018. Influence of Different Levels of Phosphorus on the Effectiveness of Arbuscular Mycorrhizae in Rice Rhizosphere.Int.J.Curr.Microbiol.App.Sci. 7(7): 1076-1085. doi:
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