Toxicity Aqueous Extract of Castor Bean (Ricinus communis) to Maconellicoccus hirsutus (Green) (Hemiptera: Pseudococcidae)
Anderson Mathias Holtz, José Romário de Carvalho, Mylena da Silva Gomes, Vergilio Borghi Neto, Ana Beatriz Mamedes Piffer, Ronilda Lana Aguiar
Journal of Experimental Agriculture International · pp. 1–6 · Published 27 Jun 2019
10.9734/jeai/2019/v38i130291Abstract
The objective of this study was to evaluate the insecticidal effect of aqueous extract of castor bean (Ricinus communis) cake for the control of Maconellicoccus hirsutus. The toxicity tests were performed in the laboratory. Subsequently lethal concentrations 50 and 90% (LC50and LC90, respectively) were estimated. Tween80® + distilled water was used as surfactants and solvent respectively. The assay was performed in petri dishes containing a Coffea canephora leaf disc. The spraying was carried out in Torre de Potter spray tower. The extract was toxic to mealybug and the mortality data was adapted to the probit model. Estimates of LC50 and LC90 were 5.32% and 29.30%, respectively. It was concluded that the aqueous extract of R. communis cake is promising for the management of M. hirsutus.
Cited by 3
Johnatan Jair de Paula Marchiori, Anderson Mathias Holtz, Caio Henrique Binda De Assis · Revista de Gestão Social e Ambiental · 2024
Carla H. M. De Lima, Claudio A. G. Camara, Vaneska B. Monteiro · International Journal of Tropical Insect Science · 2024
Johnatan Jair de Paula Marchiori, Anderson Mathias Holtz, Ana Beatriz Mamedes Piffer · Journal of Entomology and Zoology Studies · 2023
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