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Articles by Bollepelli Priyanka
Total Records ( 1 ) for Bollepelli Priyanka
  Savarapu Sugnana Kumari , Veeragoni Dileep Kumar and Bollepelli Priyanka
  Background and Objective: Marine organisms are the rich source of structurally novel and biologically active metabolites. Secondary or primary metabolites produced by these organisms may be potential bioactive compounds of interest in the pharmaceutical industry. This study aimed to investigate the antifungal activity of the methanol extract of three seaweeds Caulerpa serrulata, Gracilaria edulis and Ulva fasciata against silkworm fungal pathogen, Nomuraea rileyi. Materials and Methods: The crude extracts of all the seaweeds were concentrated in a rotary evaporator and the concentrates were tested at 1000, 2000 and 3000 μg mL–1 for their antifungal efficacy in vitro and at 3000 μg mL–1 against silkworm pathogen Nomuraea rileyi in vivo. The data obtained were recorded for each trails in a Randomized Complete Block Design (RCBD) and was subjected with the Indostat software analysis for its significance. Results: Among the tested extracts maximum zone of inhibition of 16 mm was observed in Gracilaria edulis and Ulva fasciata treated batches at 3 mg mL–1 against N. rileyi. In vivo results revealed maximum effective rearing rate of 79% in batches treated with Gracilaria edulis against Nomuraea rileyi followed by Ulva fasciata of 75% effective rearing rate and found to be significant at p<0.01. Conclusion: Both Gracilaria edulis and Ulva fasciata crude methanol extracts can be used as antifungal agents in preparing eco-friendly disinfectants. These disinfectants can be used to treat silkworms infected by Nomuraea rileyi in silkworm rearing for the better crop yield without any limitations in sericulture industry.
 
 
 
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