VARIABILITY OF CULTURAL MEDIA AND PH OF ALTERNARIA SPP PATHOGENIC TO DIFFERENT CROPS
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 41
Abstract
Alternaria belonging to ascomycota subdivision of fungi causes most common and devastating disease in different crops. The maximum growth was observed potato dextrose agar as well as Oat meal agar media in-vitro. The maximum growth and sporulation of Alternaria spp., was obtained on potato dextrose agar media followed by Oat meal agar media in vitro. Seven media were used for testing the fungus growth and sporulation and compared. The growth characteristics such as colony color and substrate with the sporulation of the test fungus were observed. Maximum growth of mycelium was observed on PDA media at pH 6.0 and followed by 7.0 while maximum sporulation was observed at 7.0 followed by 6.0. Maximum growth of the fungus was observed at 8 days after inoculation with continuous increasing growth in the potato dextrose Agar medium, although the growth rate was decreased after the 2 days of inoculation. This study will be helpful for further investigations on the physiology of the fungus and management of the disease. This investigation may be useful for taxonomic study of the fungus.
Authors and Affiliations
G. P. TIWARI
Keywords
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