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Research Article Open access CC BY 4.0

Evaluation of Fungicides Against Rhizoctonia bataticola (Taub) Butler Causing Dry Root Rot of Groundnut and Their Compatability with Trichoderma asperellum

Gurijala Sri Varshitha, P. Arunasri, Hari Kishan Sudini, Subramaniam Gopalakrishnan, Pradeep Manyam

International Journal of Environment and Climate Change · pp. 1725–1731 · Published 31 Aug 2023

10.9734/ijecc/2023/v13i102829

Abstract

The efficacy of four systemic and combination fungicides, namely Carbendazim 12% + Mancozeb 63% WP, Tebuconazole 25% WG, Hexaconazole 4% + Zineb 68% WG, and Tebuconazole 50% + Trifloxystrobin 25% WG, against Rhizoctonia bataticola, the causal agent of dry root rot in groundnut was evaluated using the poison food technique. Among the tested fungicides, Hexaconazole 4% + Zineb 68% WG exhibited the highest efficacy, with 100% inhibition of mycelial growth at all concentrations tested. Tests of compatibility of these fungicides with Trichoderma asperellum revealed that Hexaconazole 4% + Zineb 68% WG caused 38.88% of growth inhibition in T. asperellum while the other fungicides tested  were totally incompatible with100 percent inhibition.

Dry root rot Rhizoctonia bataticola Trichoderma Fungicides poisoned food technique compatibility

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