IMIDACLOPRID AND THIAMETHOXAM FOR THE CONTROL OF OKRA LEAFHOPPER Amrasca biguttula biguttula (Ishida)

N. K. KRISHNA KUMAR, P. N. KRISHNA MOORTHY, S. G. ESWARA REDDY

Abstract


Efficay of imidacloprid and thiamethoxam was evaluated on okra  leafhopper, Amrasca bigutlula bigutlula (Ishida). Field experiments were conducted at  the Indian Institute of Horticultural Research (IIHR) Bangalore on okra variety, Arka  Anamika during khartf 1999 and summer, 2000. Results indicated that thiamoxam 25  WG was on par with imidacloprid (Gaucho 600 FS) seed treatment @ 12 ml/kg of seed  in reducing the leafhcpper infestation. Lower concentrations of imidacloprid seed  treatment were less effective. All the doses of imidacloprid and thiamoxam had no  phytotoxic effect on okra. The utility of imidacloprid for the control of okra lealhopper  is discussed.


Keywords


Amrasca bigmtula bigurtula; imidacloprid; okra; thiamethoxarn

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