“Control de líquenes (flavoparmelia caperata y evernia prunastri) en árboles de durazno con la aplicación de aceite agrícola y azufre micronizado con tres dosis”

Abstract

The investigation was in the “”Toctehuaico” community, its belongs to the parish Tomebamba, Canton Paute of the Azuay province. Whose overall objective was “ to reduce presence of lichens on stems and branches of peach trees, with aplication of three dose of agricultural oil and three dose of micronized sulfur; and as specefic objective analyzing the percentage of dead lichen after application of the products. Determine the most effective treatment in the control of lichens in peach trees. Assess the negative impact of lichens on trees with respect to production. The method used was the experimental randomized block design with six treatments and four replications, with a total of 24 experimental units against a witness.The variables considered in the study were the fungi Lichenized: Flavoparmelia caperata and Evernia prunastri, with aplication of micronized sulfur and agricultural oil in three doses, low, medium and high.Getting better results with high doses agricultural oil (22,5ml/l), while other treatments had little statistical difference. Keywords: agricultural oil, micronized sulfur, Lichens, liquenized fungi, Flavoparmelia caperata and Evernia prunastri.