Seasonal variation of mycoflora associated with diseased and healthy leaves of rapeseed –mustard varieties under organic farming system in Manipur

The seasonal occurrences of fungi were varied in different months starting from December to March in both the years (rabi 2014-15 and 2015-16). In the infected plant (leaves) the pooled number of seasonal mycoflora was found to be highest in March (22.50 cfug-1 leaf x 10) and the lowest in December (15.00 cfug-1 leaf x 10). In healthy plant the highest occurrence of mycoflora was found in March (16.50 cfug-1 leaf x 10) and the lowest in January (11.50 cfug-1 leaf x 10). March was found congenial for abundant occurrence of mycoflora for both diseased and infected leaves.The prominent genera in this season were Aspergillus clavatus, A. niger, Penicilium sp. Fusarium sp. However, other fungi were also found in less abundance.