Efficacy of mancozeb, edifenphos and tricyclazole was tested on three rice varieties viz., IR 20, Co 43 and IR 50 against sheath rot of rice and their influence on yield parameters was also assessed. Spraying mancozeb + tricyclazole 2 times was superior to other treatments. Fungicide spraying significantly increased the number of productive tillers and grain yield when fungicides were applied for seed treatment as well as for spraying in the main field.
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Tamil Nadu Agricultural University
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Tamil Nadu, India.
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