Evaluation of Some Plant Extracts and Fungal Antagonists for the Biological Control of Pre-Emergence Damping off of Brinjal (Solanum melongena)


  • Tamil Nadu Agricultural University, Department of Plant Pathology, Coimbatore, India


Eight fungal antagonists and eight leaf extracts were evaluated in vitro against Pythiun aphanidermatum (Edson) Fitzpatrick and the effective treatments selected for pot culture evaluation. Pot culture studies with brlnjal seeds showed that Eucalyptus leaf extract as seed soak treatment for 30 minutes prior to sowing was effective against P. aphanidermatum. Seed treatment with Trichoderma harzianum at 5 × 109 conidia per ml, Lactisaria arvalis at 0.66 mg sclerotia per ml and Captan at 0.25 per cent also effectively controlled P. aphanidermatum.


Plant Extracts, Fungal Antagonists, Biological Control, Damping off Brinjal.

Subject Discipline

Agriculture Sciences

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