Efficacy of profenofos 50 EC and abamectin 1.8 EC with different doses were tested against coconut eriophyid mite through button dip and bunch peduncle dip methods in the laboratory. In button dip, Abamectin 0.0144 per cent recorded 99.6 per cent reduction of mite population over control while the higher dose of profenofos 0.2 per cent (4 ml/litre) and monocrotophos 0.108 per cent (3 ml/litre) recorded a mean mite population of 11.63 and 12.61 mites/4 sq.mm respectively and were on par. In the peduncle dip method also, abamectin 0.0144 per cent effected a reduction of 80.06 per cent over control and was found effective than other chemicals evaluated.
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Tamil Nadu Agricultural University
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Tamil Nadu, India.
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