In order to evaluate the action of two pesticides on the two-spotted spider mite on cotton a test was carried out in Santa Bárbara D'Oeste, State of São Paulo, Brazil. The treatments were six and the products were applied with manual Electrodyn nozzle: A - check (no treatment) ; B - bromopropylate (yellow nozzle), 173.3g Al/ha; C - bromopropylate (blue nozzle), 380.0g Al/ha; D, E, Fbiphenthrin (yellow nozzle), 23.7g, 38.lg and - 5g Al/ha, respectivelly. At day 4 after the spray the best result was obtained with biphenthrin (treatments D, E and F). At day 9 after the application the best results were obtained with two highest dosages of biphenthrin. Differences among the treatments were not significative except compared to the check.
Tetranychus articae; two-spotted spider mite; electrodynamic spray