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Articles by D.N. Shukla
Total Records ( 2 ) for D.N. Shukla
  Bhupendra Kumar Singh , Saurabh Singh and D.N. Shukla
  The present study was conducted to investigate the isolation of fungi from Ganga river, Industrial water and Sewage water. Different kinds of fungi were isolated in which Fusarium spp. and Alternaria alternata were found to be dominant. The maximum numbers of fungal species were isolated from sewage water and it was followed by Ganga water and industrial water due to presence of high organic load. Plant pathogenic fungi like Fusarium spp. and Alternaria spp. were found in all water samples. In this way, it may be concluded that, the irrigation of agricultural fields with polluted water not only affects the growth of crop plants but it also increases the chances of various fungal contamination and disease development. The sewage water may be used for irrigation purposes after proper treatment. It will be highly useful, if sewage water diluted with tube well water.
  Bhupendra Kumar Singh , Saurabh Singh , Vandana Srivastava and D.N. Shukla
  Water fungi and fungus-like organisms as a biological factor of ecological water systems have significant influence on the environment and its modification. Fresh water samples were collected from region of Ganga River in Varanasi district, Uttar Pradesh, India. Three sampling sites which are known as ghats (stairways to the bank) Assi ghat, Rajendra ghat, Harishchandra ghat) were selected for sample collection. The water samples were examined for fungi by plating method culturing Potato dextrose agar medium. The isolated fungal strains were identified by lactophenol cotton blue staining. Results were found that a total of 23 micoflora were found to be dominant at three place of Ganga River in Varanasi District. In all three places maximum number of fungi was recorded in Assi ghat followed by Harishchandra ghat then Rajendra ghat. Aspergillus flavus and Aspergillus niger showed highest 36.75 and 29.50% frequency at Harishchandra ghat and Rajendra ghat. White sterile mycelium and Trichothecium roseum showed lowest 0.23 and 0.45% frequency in Assi ghat.
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