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Biotecnia
versión On-line ISSN 1665-1456
Resumen
RIVERA MARTINEZ, Roberto; RAMIREZ DAVILA, José Francisco; MARTINEZ QUIROZ, Marisol y GONZALEZ HUERTA, Andrés. Spatial modeling of Bactericera cockerelli Sulc. nymphs on husk tomato (Physalis ixocarpa Brot.) using of geostatistical techniques. Biotecnia [online]. 2020, vol.22, n.1, pp.142-152. Epub 03-Ago-2020. ISSN 1665-1456. https://doi.org/10.18633/biotecnia.v22i1.1162.
The husk tomato crop is affected by the presence of several pests and diseases which includes the presence of Bactericera cockerelli Sulc., psyllid to which, yellowing and floral abortion is attributed. The control of this psyllid has not been efficient; therefore, the present study was carried-out with the purpose to know the spatial distribution of B. cockerelli nymphs, on husk tomato by using geostatistical techniques. The experimental semivariogram was determined and a theoretical model adjusted, and validated with the cross validation method and the aggregation maps of the plate were obtained through krigeado. The results show that the populations of B. cockerelli nymphs exhibits an aggregate type distribution, corroborated with density maps. The pest did not infest 100 % of the plots studied, which helps us to create effective management programs and direct control measures to specific areas of infestation.
Palabras llave : Infested surface; Semivariograms; Krigeado.