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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(1): 1028-1040
DOI: https://doi.org/10.20546/ijcmas.2019.801.112


Study on the Different Modes of Action of Potential Trichoderma spp. from Banana Rhizosphere against Fusarium oxysporum f.sp. cubense
Lalngaihawmi1* and Ashok Bhattacharyya2
1Department of Plant Pathology, Assam Agricultural University, Jorhat (785013), Assam, India
2Director of Research (Agri.), Assam Agricultural University, Jorhat (785013), Assam, India
*Corresponding author
Abstract:

An attempt was made to study the different modes of action of the promising Trichoderma spp. from banana rhizosphere collected from different regions of Assam, Mizoram, Meghalaya and Nagaland. The results from the present investigation revealed that all the potential Trichoderma spp. produced IAA, NH3, siderophore and HCN, though at different levels however, the promising Trichoderma spp. were not able to solubilize phosphate on solid medium containing insoluble inorganic phosphorus source. Considering the possibility of an improved potentiality of combined application, a study was also undertaken to check the effect of combined application of the Trichoderma spp. against Fusarium oxysporum f.sp. cubense (Foc), the causal organism of Fusarium wilt of banana. The per cent inhibition over control was calculated after 48, 72 and 96 hours after inoculation. The result revealed that the efficacy of all the treatments differed significantly with that of control at all the intervals. The per cent inhibition of radial growth of Foc in vitro was observed highest by the combination of the three Trichoderma spp. viz. T. reesei (RMF-25), T. reesei (RMF-13) and T. harzianum (RMF- 28) with 69.18 per cent followed by the combination of T. reesei (RMF-25), and T. harzianum (RMF-28) with 66.86 per cent and combination of T. reesei (RMF-13) and T. harzianum (RMF-28) with 68.60 per cent inhibition of the test pathogen after 96 hours of incubation.


Keywords: Trichoderma spp., Rhizosphere, Banana, Fusarium oxysporum f.sp. cubense
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How to cite this article:

Lalngaihawmi and Ashok Bhattacharyya. 2019. Study on the Different Modes of Action of Potential Trichoderma spp. from Banana Rhizosphere against Fusarium oxysporum f.sp. cubense.Int.J.Curr.Microbiol.App.Sci. 8(1): 1028-1040. doi: https://doi.org/10.20546/ijcmas.2019.801.112