Essential oils of Callistemone lanceolatus, Citrus medica, Eclipta alba, Hyptsis suaveolens and Ocimum canum showed fungitoxicity against Rhizoctonia solani, the incitant of damping-off disease. The essential oils of C. media, E.alba and O. canum completely inhibit the growth of the fungus within 24 hours. Other oils take more time. The essential oil of C. lanceolatus was capable of penetrating the soil upto 4 cm while it was 3 and 2 cm respectively for C. medica and O.canum. The essential oil of C. lanceolatus and O.canum could control damping-off disease of tomato (Lycopersicon esculentum) and chilli (Capsicum annum) upto 57.13, 71.44, 40.90 and 83.32 percent respectively.
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Tamil Nadu Agricultural University
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Tamil Nadu, India.
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Madras Agricultural Journal (MAJ)
Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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