Isolation,Identification and Characterization Effective Rhizobium Species Nodulating Mung Bean (Vigna radiata) from some places of North Shewa

Asnake Beshah and Fassil Assefa
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Fassil Assefa: Addis Ababa University, Ethiopia

International Journal of Environmental Sciences & Natural Resources, 2019, vol. 20, issue 1, 01-09

Abstract: Nineteen chickpea root nodules were collected from farmer’s plots in north shoa zone of Kewet and Ensaro woreda. Three of the isolates were rejected in the process of isolation and presumptive tests. The rest were re -inoculated into their host for authentication. From the re-inoculated isolates, fifteen formed nodules in their host but one isolate failed to form nodule upon re-inoculation. The authenticated rhizobia were characterized based on their, morphological and eco-physiological features. From the preliminary screening 87 of the isolates were slow growing rhizobia. Symbiotic effectiveness of isolates showed significant difference in percent of effectiveness (34-92) on the host plant. AAUMR2, AAUMR1, AAUMR3 and AAUMR7 were found to be the most effective isolates with percent effectiveness of 94, 86, 84and 81 respectively.

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:20:y:2019:i:1:p:01-09

DOI: 10.19080/IJESNR.2019.20.556026

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