volume 24 issue 4 (december 2004) : 260 - 263

IN VITRO AND IN VIVO EVALUATION OF DIFFERENT FUNGICIDES AGAINST ALTERNARIA LEAF AND FLOWER BUGHT OF MARIGOLD UNDER TERAI ZONE OF WEST BENGAL

Subhendu Jash

Subrata Dutta

Sankar Kumar Laha

Affiliations

¹Department of Plant Pathology Uttar Banga Krishi Viswavidyalaya, Pundibari, Cooch Behar - 736165, West Bengal

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Cite article:- Jash Subhendu, Dutta Subrata, Laha Kumar Sankar (2025). IN VITRO AND IN VIVO EVALUATION OF DIFFERENT FUNGICIDES AGAINST ALTERNARIA LEAF AND FLOWER BUGHT OF MARIGOLD UNDER TERAI ZONE OF WEST BENGAL. Agricultural Science Digest. 24(4): 260 - 263. doi: .

ABSTRACT

Leaf and flower blight of marigold incited by Alternaria zinniae Pape is one of the most important diseases of marigold under terai agro-climatic zone of West Bengal. Mancozeb 75%WP (Indofil M-45), Metalaxyl 8% + Mancozeb 64%WP (Tata master) and Carbendazim 12% + Mancozeb 63%WP (Companion) @ 200 ppmeach totally inhibited the mycelial growth of the pathogen in in vitro condition over untreated control whereas, Bordeaux mixture (Copper sulphate and Lime), Carbendazim 5O%WP (Bavistin) and Copper Oxychloride 50%WP (Blitox) at 500ppm each exhibited 54.10,55.73 and 63.93% mycelial groWth inhibition of the pathogn respectively. Mancozeb 75%WP (Indofil M-45) @ 0.25%, Carbendazim 12% + Maneozeb 63%WP(Companion) @ 0.10% and Metalaxyl 8% + Mancozeb 64%WP (Tata master) @ 0.10% reduced the disease incidence by 87.52, 85.18 and 84.60% respectively under in vivo condition.

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IN VITRO AND IN VIVO EVALUATION OF DIFFERENT FUNGICIDES AGAINST ALTERNARIA LEAF AND FLOWER BUGHT OF MARIGOLD UNDER TERAI ZONE OF WEST BENGAL

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