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Procurou-se, no presente trabalho, observar a eficiência dos inseticidas sistêmicos granulados aldicarbe a 10%, carbofurã a 5% e dissulfotom a 2,5 e 10%, em dois tipos de solo, no controle das ninfas móveis das cigarras do cafeeiro, predominantemente Quesada gigas em lavouras instaladas nos municípios de Franca e ltirapuã, SP. Utilizaram-se doses desses inseticidas próximas às recomendadas para o controle do bicho-mineiro, as quais proporcionaram uma redução média de 67,5 e 54,1% na população das ninfas móveis da praga, respectivamente, em solo arenoso e argiloso. Esses inseticidas, quando aplicados por quatro anos consecutivos, proporcionaram um aumento médio de produção de 175, 227 e 246% para o aldicarbe, cárbofurã e dissulfotom respectivamente. The present research was conducted to evaluate the efficiency and yield increase by granular systemic insecticides to control cicades, mostly Quesada gigas, in two infested coffee plantations: one grown in sandy and the other in clay soils in the State of São Paulo, Brasil. The active ingredients tested were aldicarbe, at 10%, carbofurã, at 5% and dissulfotom, at 2.5 and 10%, applied once in dosages normally used for coffee leaf miner control. An average reduction of 67.5% on mobile nymphs population was observed in the sandy soil and 54.1% in the clay soil plantations. The effect of the above treatments on productivity of coffee was tested over a four year period (1981-1985), and the percent yield increase was on the average: 175, 227 and 246% from aldicarbe, carbofurã and dissulfotom, respectively

Inseticidas sistêmicos granulados no controle das ninfas móveis das cigarras e seus efeitos na produtividade de cafeeiros