Efficacy of different insecticides against western flower thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on Gladiolus cv. white prosperity
Paper Details
Efficacy of different insecticides against western flower thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on Gladiolus cv. white prosperity
Abstract
In order to determine the effect of insecticides on the mortality of thrips, present studies were carried out on gladiolus at Floriculture Research Institute, Multan. For this purpose, five new chemistry insecticides viz., Confidor® 20SL (imidacloprid), Tracer® 240SC (Spinosad), Dominex® (Chlorfenapyre), Radiant® 120Sc (Spintoram) and lacenta (Imidacloprid+fipronil) were used. The population of thrips was recorded on leaves at 24 hours before spray and after 24, 72 and 168 hours of spray. Data recorded was modified to percentage mortality on the basis of population of pre-treatment and population on treated plants. Results revealed that maximum mortality (79.52%) at 24 hours after spray was due to lecenta followed by dominex (75.55%), radiant (72.47%) and tracer (66.53%) respectively. Mortality of thrips was reduced at 72 and 168 hours as compared with 24 hours after spray. However lacenta gave good results at all-time intervals against thrips than all other treatment. So it can be recommended and used against thrips in future.
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