O.P. AMETA AND U.S. SHARMA

The experiment on bio–efficacy of Hexythiazox 5.45 EC at 300 and 500 ml/ha along with check Maiden 5.45 EC at 300 and 500ml/ha over control in chilli was conducted during Kharif, 2010.at R.C.A., Udaipur Two sprays of Hexythiazox 5.45 EC at 500 ml/ha, caused highest reduction with a mean of 69.19, 71.02, 78.04, 75.14 and 71.23, 75.12, 83.69 and 91.16 per cent reduction at 3, 7, 10, and 14 days after first and second spray, respectively. It was at par to two sprays of Maiden 5.45 EC per cent which caused 74.70 and 89.88 per cent reduction in mite population at 14 days after first and second spray, respectively. Two sprays Hexythiazox 5.45 EC and Maiden5.45 EC each at 300 ml/ha were next in order of effectiveness and found at par to each other.