Evaluation of the insecticidal activity of Heliopsis longipes (A. Gray) S. F. Blake on nymphs of Bactericera cockerelli (Sulc.) (Hemiptera: Triozidae)
DOI:
https://doi.org/10.33064/iycuaa2015663564Keywords:
Heliopsis longipes, affinin, insecticidal activity, Bactericera cockerelliAbstract
The potato psyllid Bactericera cockerelli (Sulc.) is an economically important pest, whose management focuses on the application of chemical insecticides.
The objective of this study was to demonstrate the insecticidal activity of Heliopsis longipes extract on B. cockerelli nymphs. An ethanolic extract was prepared from roots and the amount of affinin present in the extract was determined by this several
concentrations were tested, obtaining a median lethal concentration of 234.09 ppm and mortalities of upto 100% in 24 h. This demonstrates the potential of the extract controlling populations of this pest.
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Copyright (c) 2015 Mariana Beltrán Beache, Ernesto Cerna Chávez, Juan Carlos Delgado Ortiz, Yisa María Ochoa Fuentes
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