Potential of Terpenoids and Mealybug Extract to Deter the Establishment of Dactylopius opuntiae (Hemiptera: Dactylopiidae) Crawlers on Opuntia ficus-indica
Keywords:
eugenol, carminic acid, menthol, cladodeAbstract
Eugenol, menthol and D. opuntiae extract reduced the number of D. opuntiae crawlers fixed to healthy Opuntia cladodes by 71, 63, and 67% respectively. Furthermore, 107 days into the experiment, a reduction of 75% of crawlers fixation was observed on cladodes treated with menthol. There is great potential for the use of D. opuntiae extract as a control measure as it is easy to obtain and to apply, and it is available to the farmer.
Eugenol y mentol así como el extracto de D. opuntiae redujeron en un 71, 63 y 67%, el número de ninfas que se fijaron a cladodios sanos de Opuntia. Mas aún, 107 d después de iniciado el experimento, se observó una reducción del 75% de ninfas fijadas en los cladodios tratados con mentol. El extracto de D. opuntiae tiene gran potencial para ser usado como método de control ya que es fácil de obtener y aplicar y está disponible para el campesino.
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