Presencia de podisus congrex (stål 1862) (hemiptera: pentatomidae) en relación al manejo de arvenses en el cultivo de aguacate en Risaralda

Abstract

In the last decade, Colombia has been growing in the production of avocado, making itself a production line of major interest in the country and therefore incentivizing the search of ecological alternatives for plague and disease control. This is why this investigation’s goal is to determine the presence of the generalist predator Podisus congrex (Stål 1862) and its relationship with the frequency of weed management in the avocado crop of Risaralda department. For this, a weekly sampling was carried out throughout the months of March to September 2018, in four avocado crops (each one located in the municipalities of Apia, Belén de Umbría, Pereira and Santa Rosa de Cabal) by observation and collection of P. congrex specimens in 5% of the avocado trees. A total of 96 individuals of P. congrex were collected, whose presence by the type of weed management: Mechanical-Semesterly, Mechanical-Quarterly, Chemical- Bimonthly Synthesis and ChemicalSemesterly Synthesis, was 59.4%, 15.6%, 16.7% ...