Variations in Physicochemical Parameters and Distribution of Mycoflora in Rhizospheric Soil due to Charcoal Rot of Jowar (Sorghum bicolor L.)
Journal Title: Journal of Biological and chemical Chronicles - Year 2018, Vol 4, Issue 2
Abstract
Jowar (Sorghum bicolor L.) plant belongs to family poaceae is cultivated in warm climates worldwide and it is inhabitant to the tropics and subtropics region. The present investigation was studied physicochemical characterization and rhizosphere soil mycoflora in the field of jowar charcoal rot caused by Macrophomina phaseolina. Mycoflora of infected field of jowar, need to improve the knowledge of diversity of fungi associated with infected rhizosphere soil. Physico-chemical analyses of infected rhizosphere soil were studied by standard soil testing methods and fungal population dynamics by using soil dilution technique. Sixteen physicochemical parameters were analyzed. It was found that, soil has alkaline pH but EC, Ca, Na, S and Mo contents were found least, whereas OC, P and K were high in infected soil as compared to standard range. Due to rots infection, chemical contents of soil also changed. Eleven samples of soil were analyzed during January-March, 2015 and 2016. In all tested soil samples, 13 genera and 20 species of fungi were detected. Aspergillus, Mucor, Rhizopus, Penicillium, Fusarium species were found dominant in all tested study sites followed by Trichoderma, Monilia, Pythium, Phytophthora, Humicola etc. Total number of fungal species colony was found dominant in Sangola (S) and Mohal (Moh) sites. Percentage of frequency and % of contribution was found more in Aspergillus niger and Fusarium oxysporum.
Authors and Affiliations
M. T. Gavali, S. R. Mane, V. R. Kumbhar, G. M. Birajdar, U. N. Bhale
Keywords
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