PESTICIDE ACTIVITY OF CALENDULA / MARIGOLD THROUGH VERMICOMPOSTING
Journal Title: Innoriginal: International Journal Of Sciences - Year 2018, Vol 5, Issue 4
Abstract
Objective: The objective pesticide activity of Calendula/ marigold was investigated through vermi composting technique. Methods: Marigold waste and vegetable waste were collected from koyembedu market. The waste was degraded by Eisenia fetida (Lumbricidae) earthworms. After 60 days NPK levels were checked by FCO method. Marigold fertilizer showed antimicrobial activity against plant pathogenic bacteria(Pseudomonas syringae, Erwinia carotovora, Xanthomonas citri).Spinach seeds were sowed in the soil containing vermicompost(vegetable fertilizer and marigold fertilizer).Results: NPK levels were found to be increased by 60% and 75% respectively. A zone of inhibition was formed by marigold fertilizer on Pseudomonas syringae and Erwinia carotovora. During the period of study, data were collected on reproductive strategies of earthworms and the number of earthworms was found to be increased. Spinach grows well without any disease using marigold fertilizer, which shows marigold may be having pesticide activity.Conclusion: From the results we concluded that marigold waste after degradation has the ability to control plant pathogens as well as a good fertilizer with low cost and protect the environment.
Authors and Affiliations
R. CAROLINE JEBA, P. MOHANA, K. KEERATHANA, M. JAYA KUMAR, R. T. RATHIKA
Keywords
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