National Academy of Agricultural Sciences (NAAS)
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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 2018: 95.39 NAAS RATING 2020: 5.38 |
The present study was undertaken to find out the suitability of culture media for growth of twenty five isolates of Fusarium oxysporum f. sp. vasinfectum collected and isolated from different locations of Karnataka state using Czapek’s dox agar (CDA), Potato dextrose agar (PDA), Richards Agar (RA) and Yeast Extract Agar (YEA). Significant variation recorded among twenty five isolates with respect to growth i.e colony diameter on different solid media. Isolates MYS-15 and MYS-16 showed fastest growth of 65.49 mm and 64.38 mm respectively after seven days in all the media tested. Richard’s agar found to be the best for the growth of all the isolates tested with mean colony diameter of 61.78 mm. Twenty three isolates were exhibited fast colony growth and only two isolates were exhibited very fast colony growth. In liquid media, the growth of all the isolates was very good in Richard’s medium with mean dry mycelial weight of 526.33 mg, whereas Yeast extract liquid media supported poorly for the growth of most of the isolates with mean dry mycelial weight of 321.27 mg. Twenty four isolates were categorized as fast growers with mean dry mycelial weight ranging from 300.1-450 mg and only one isolate (MYS-15) was exhibited very fast colony growth with mean dry mycelial weight of 451.18 mg.
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