Field experiments were conducted from 2010 -11 to 2011-12 to evaluate the different colored traps to monitor and trap the chilli thrips, Scirtothrips dorsalis (Hood) population at Horticultural Research Station, Dr YSR HU, Lam, Guntur, Andhra Pradesh. In 2010-11, among the five traps blue traps were early and effectively monitored the thrips population from September IInd FN to February Ist FN than others. Population trap-1 ranged from 2.9 to 922.72. Early detection of population was recorded with blue traps, i.e September IIndFN (79.22), highest no. trap-1 was recorded in the November-Ist FN (922.72), lowest (2.9) and population was terminated in the February Ist FN. similar trend was observed during 2011-12. About the trapping, based on weekly data in 2010-11, among the traps, blue traps were effectively trapped thrips population, highest population (588.7) was recorded in the last week of October and lowest population (5.99) in February second week. Next best traps in trapping thrips population were, Yellow (hanging and delta shape). Yellow (Hanging) trap was trapped from September third week to February second week (0.77).Blue traps were effectively monitored and trapped the greater thrips population throughout the crop period than other colored traps.
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