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A cochonilha-parda Parthenolecanium persicae é considerada uma das principais pragas da videira na região sul do Brasil. Com o objetivo de avaliar inseticidas fosforados e neonicotinóides foram conduzidos dois experimentos avaliando-se os produtos fitossanitários: dimetoato (Tiomet 400 CE, 100mL/100L de água), fenitrotion (Sumithion 500 CE, 150mL/100 L de água), metidation (Supracid 400 CE, 100mL/100L de água), paratiom metil (Folidol 600 CE, 100mL/100L de água) e triclorfon (Dipterex 500 SNAqC, 300mL/100L de água) em 2001 e, imidacloprid (Provado 200 SC, 30, 40 e 50mL/100L de água), tiacloprid (Calypso 480 SC, 20, 30 e 40mL/100L), tiametoxam (Actara 250 WG, 20, 30 e 40g/100L de água) e paratiom metil (Folidol 600 CE, 100mL/100L) em 2002. Os produtos foram aplicados via foliar num volume de 800L.ha-1. Os fosforados fenitrotion, metidation, paratiom metil e os neonicotinóides imidacloprid e tiametoxam foram eficientes no controle de ninfas do terceiro ínstar de P. persicae. Os inseticidas dimetoato e tiacloprid não atingiram 50% de controle da cochonilha-parda na cultura da videira. The european peach scale Parthenolecanium persicae is one of the most important grape pest in southern Brasil. The insecticides dimetoato (Tiomet 400 CE, 100mL/100L), fenitrotion (Sumithion 500 CE, 150mL/100L), metidation (Supracid 400 CE, 100mL/100L), paratiom metil (Folidol 600 CE, 100mL/100L) and triclorfon (Dipterex 500 SNAqC, 300mL/100L) were evaluated in a field experiment in 2001 and imidacloprid (Provado 200 SC, 30, 40 and 50mL/100L), tiacloprid (Calypso 480 SC, 20, 30 and 40mL/100L), tiametoxam (Actara 250 WG, 20, 30 and 40 g/100L) and paratiom metil (Folidol 600 CE, 100mL/100L) in 2002. Insecticides were sprayed using 800L of water.ha-1 seeking third instar nymphs. Phosporous insecticides fenitrotion, metidation, paratiom metil and triclorfon and the neonicotinoid imidacloprid and tiametoxam were efficient for P. persicae control. Dimetoato and tiacloprid were not efficient for insect control reducing pest population in levels bellow 50%

Controle da cochonilha-parda Parthenolecanium persicae (Fabricius, 1776) (Hemiptera: Coccidae) na cultura da videira