publication . Article . 2016

Uso de cuatro extractos organicos para el control del pulgon verde (Myzus persicae Sulz) (ING)

Rodríguez Navas, Hernán; Blanco, Fabio A.;
Open Access Spanish; Castilian
  • Published: 05 Mar 2016
  • Publisher: Universidad Nacional, Costa Rica
  • Country: Costa Rica
Abstract
Extracts of leaves and stems of Neurolaena lobata; leaves, stems and fruits of Momordica charantia, wood of Quassia amara and seeds of Annona muricata, were tested regarding their effectiveness for control of green peach aphid (Myzus persicae). In a first stage, groups of 10 individuals of M. persicae were placed inside petri dishes together with a small and slight piece of synthetic cloth soaked with either substance extracted. Several concentrations were used. After two hours; more than 50% of the individuals had been killed in every petri dish, which allowed all extracts to pass on to the second stage. The second stage consisted of two experiments. The first ...
Subjects
free text keywords: extractos; organicos; control; pulgon
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publication . Article . 2016

Uso de cuatro extractos organicos para el control del pulgon verde (Myzus persicae Sulz) (ING)

Rodríguez Navas, Hernán; Blanco, Fabio A.;