Twenty-six fungi in all were isolated from the non-disinfected seeds, surface-disinfec- ted seeds and from the cotyledons of rice variety IEI 1991 by agar-plate method and blotter technique. Choanephora cucurbitarum. Humicola grizee, Mortierella subtilissima, Papu- laspora sp. and Trichothecium roseum are the new records as seed-borne fungi on this seed. Soods were treated with fifteen organic and inorganic fungicides and five antibiotics (antifungal and antibacterial) in different concentrations at the rate of 0.1, 0.2, 0.3 per cent of seed weight and 50, 100 and 200 ppm respectively and it was observed that Agaliel '3' at 0.3 per cent and Agrimycin-17 at 200 ppm checked several fungi considerably and enhanced per cent seed germination.
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Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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