volume 166, issue 3, P215-223 2018
DOI: 10.1111/eea.12656
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Cecilia Czepak, Alexandre Siqueira Guedes Coelho, Janayne Maria Rezende, Matheus Le Senechal Nunes, Igor Daniel Weber, Rafael Ferreira Silvério, Karina Cordeiro Albernaz-Godinho

Abstract: There is no sampling methodology defined for the whitefly Bemisia tabaci MEAM1 (Hemiptera: Aleyrodidae) in soybean crops. We optimized a plan, through the minimization of total sampling variance, to evaluate population density of various whitefly stages, based on a feasible sample size. The sampling plan proposed for N1–N4 immature stages consists of four random sampling points in a field. Per point, four leaflets are collected per third of a plant's height (one leaflet per plant), evaluating 1 cm2 per leaflet.

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