Affiliation:
1. Universidade do Estado de Santa Catarina, Brazil
2. Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina, Brazil
3. Universidade Federal do Paraná, Brazil
Abstract
ABSTRACT Pest monitoring is a practice that enables the estimation of populational density of insect-pests in crops. However, it requires the use of attractors and traps that present high efficiency. The objective of this work was to evaluate the efficiency of food attractors using different trap models for the capture of spotted-wing drosophila (Drosophila suzukii) insects, and the capture selectivity of these models in vineyards of Cabernet Sauvignon. The experiment was conducted in the 2018-2019 crop season, in São Joaquim, SC, Brazil. A randomized block design was used, in a 2 × 4 factorial arrangement consisted of two types of traps (PET bottle and plastic container), three attractors (SuzukiTrap®, Droskidrink, and Yeast), and distilled water as a control. The traps were distributed in a minimum distance of 15 m and fixed in the middle third of the plants. The collections and replacing of attractors were done with 21-day intervals. The data were analyzed through generalized linear models, using the Poisson distribution or Poisson with a dispersion parameter. All attractors tested captured adult D. suzukii insects. No significant differences were found between the trap types used. The findings of the present work showed that the trap plastic container with the Droskidrink attractor is the most suitable capture method to be used in monitoring programs for D. suzukii insects in commercial vineyards.
Subject
General Agricultural and Biological Sciences
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