International Journal of Chemical Studies
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P-ISSN: 2349-8528, E-ISSN: 2321-4902   |   Impact Factor: GIF: 0.565

International Journal of Chemical Studies

Vol. 6, Issue 2 (2018)
Combination fungicides offers substantial potential for management of rice blast disease by Magnaporthe oryzae


Author(s): A Bharani Deepan, R Manasa and A Ramanathan

Abstract: The eight different combination fungicides viz., Flusilazole 12.5% + Carbendazim 25% SC, Azoxystrobin 18.2% + Difenconazole 11.4% w/w SC, Azoxystrobin 11% + Tebuconazole 18.3% w/w SC, Tricyclazole 18% + Mancozeb 62% WP, Zineb 68% + Hexaconazole 4% WP, Trifloxystrobin 25% + Tebuconazole 50% WG, Mancozeb 50% + Carbendazim 25% WS, Fluxapyroxad 6.25% + Epoxiconazole 6.25% EC were evaluated at recommended dosage by poisoned food technique. Highest percent inhibition of mycelial growth of fungus was recorded in Tricyclazole 18% + Mancozeb 62% WP, Mancozeb 50% + Carbendazim 25% WS (100%) on Coimbatore as well as Gudalur blast isolates. Flusilazole 12.5% + Carbendazim 25% SC, Azoxystrobin 18.2% + Difenconazole 11.4% w/w SC, Azoxystrobin 11% + Tebuconazole 18.3% w/w SC and Trifloxystrobin 25% + Tebuconazole 50% WG had exerted maximum control on Gudalur isolate than Coimbatore isolate. These research findings highly demonstrate the efficacy of the combination fungicides and their potential for future rice blast management.

Pages: 391-396  |  995 Views  14 Downloads

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How to cite this article:
A Bharani Deepan, R Manasa, A Ramanathan. Combination fungicides offers substantial potential for management of rice blast disease by Magnaporthe oryzae. Int J Chem Stud 2018;6(2):391-396.
International Journal of Chemical Studies