With the aim of determining dose and effect of extracts control fungal diseases of vegetable leaf caused spot by Cercospora arachidicola Hori and rust caused by Puccinea arachidís Sped. in Arachis hypogaea., and evaluate the impact on the cultivation of peanuts. Research work developed in Bello Horizonte - high Polish 7 km from the District of the Banda de Shilcayo, execution and installation was started in September of 2008 to February 2009. Aqueous extracts from Jacaranda copaia, Chenopodioum ambrosioides, Lonchocarpus nicou and Averrhoa were applied ata dose of 2040 ml.L-1 anda witness with water, design was used with 9 treatments and three replications randomized complete block; we evaluate incidence and severity of diseases and in the plant: emergency, number of flowers per blooms, plant height, number of leaflets, weight of filled pods fresh and dry, weight of empty pods and bioma...