Identification and characterization of pests and diseases associated traditional cultivation of pineapple Ananas comosus (L. Merr) in the Municipality of Lloró Communities, Department of Chocó, Colombia

Abstract

Pests and diseases are a serious problem in pineapple, if not properly control these can cause such large losses that crops are affected up to 80% and in special cases total loss. In order to understand and identify pests and associated with the cultivation of pineapple in communities Township wept disease, a systematic sampling was to make a zigzag path within each experimental plot (farm) to complete the 1% of was held total plants of that parcel 10 sampling points were performed within each, evaluated 20 to 60 plants per point depending on the size of the parcel; at the same time pests and diseases affecting the crop were evaluated; directing the sampling towards the root, stem, leaves and fruit. As a result, it was determined a total of 5 pests associated with the cultivation of pineapple (weevil Metamasius dimidiatipennis, cochinilla mealy Dysmicoccus brevipes, the Strymon basilides key, the armyworm Elaphria nucicolora and zorra or shit Eira barbara), with an average incidence rate of 10.4% and 2 disease (fusarium gummosis or pineapple and wilt WIT or leaf), with an incidence rate of 8.3%. In both cases considered mild to scale (0- 20% mild, moderate 20-50% and >50% strong), indicating that actually lost or level of economic damage caused by the presence of these pests and diseases it is minimal.