Evaluacion del efecto de extractos de plantas de la familia Agavaceae (a. americana, furcraea bedinghausii y f. andina) como alternativas para el control de babosas plagas de los cultivos de fresa en Pamplona, Norte de Santander.

Abstract

The main objective of this work was to evaluate the effect of plant extracts of the Agavaceae family (Agave americana, Furcraea bedinghausii and F. andina) as alternatives for the control of slug pests of crops in Pamplona, Norte de Santander. The investigation was carried out in a strawberry crop in the Chíchira village, in Pamplona Norte de Santander. An experimental investigation was conducted where seven treatments were used in a randomized block design with four replications. The treatments were extracts of the three species of Agavaceae, in the form of 20% juice and chopped leaves at 4kg / 10L of water. Two sprays with 8 days spacing were performed using a 16 liter knapsack pump. Samples were carried out at 3, 5 and 7 days after the application to determine the population of slugs / trap day, as well as the percentage of fruits damaged by plants. Slug populations and fruit damage were compared with the data from each sampling by means of ANOVAS using the SPSS statistical package. The treatments of Juice of F. andina at 20% and extract of F. andina fractions at 4kg / 10 L of water showed to be statistically superior to the rest of other Agavaceae extracts to reduce slug populations in strawberry crops. The treatments with 20% F. andina Juice and with the extract of F. andina fractions at 4kg / 10 L of water applied by sprinkling reached Technical Efficiencies for the control of slugs in strawberry above 70%. Phytopesticide treatments based on F. andina both in 20% juice and in leaf fractions at 4kg / 10 L of water, allowed less damage by slugs, significantly in strawberry fruits, reducing the percentage of damage above than 50% with the first application and above 75% with a second application