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- Title
Effect of Anacardium humile St. Hill (Anacardiaceae) Aqueous Extract on Mahanarva fimbriolata (Stal, 1854) (Hemiptera: Cercopidae).
- Authors
Bragato Pistori, Melissa Gindri; Railda Roel, Antonia; Valério, José Raul; Monteiro Oliveira, Marlene Conceição; Grisoto, Eliane; Matias, Rosemary
- Abstract
The study of plant-derived substances for the control of insect pests is desirable in the attempt to discover less toxic insecticides that are safe for the environment. Indeed, extracts from the cashew of the savannah, Anacardium humile, have shown insecticidal activities against certain insects. The sugarcane root spittlebug Mahanarva fimbriolata is considered an important pest of sugarcane, causing severe damage and significant yield reductions. The aim of this study was to evaluate the effect of the aqueous extract of A. humile (0.05, 0.4 and 1.0%) on M. fimbriolata. The application of the aqueous extract of Anacardium humile resulted in 53.1% nymphal mortality at a concentration of 1.0%, which was significantly higher than that observed in the negative control. The nymphal period and longevity of M. fimbriolata, however, were not affected by the aqueous A. humile extract.
- Subjects
ANACARDIUM; INSECTICIDAL plants; PLANT extracts; SUGARCANE diseases &; pests; INSECTICIDES &; the environment; HEMIPTERA; PHYSIOLOGY
- Publication
Acta Scientiarum: Agronomy, 2013, Vol 35, Issue 4, p413
- ISSN
1679-9275
- Publication type
Article
- DOI
10.4025/actasciagron.v35i4.16597