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 | 1378 Views 62 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.
