Please use this identifier to cite or link to this item: http://ri.uaemex.mx/handle20.500.11799/39904
Title: Propiedades insecticidas del polvo de Laurelia sempervirens L. para el control de Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae)
Authors: CRISTIAN TORRES LEON 
GONZALO SILVA 
MARITZA TAPIA 
J. CONCEPCION RODRIGUEZ MACIEL 
ANGELICA URBINA 
INES FIGUEROA 
ANGEL LAGUNES TEJEDA 
CANDELARIO SANTILLAN ORTEGA 
AGUSTIN ROBLES BERMUDEZ 
SOTERO AGUILAR MEDEL 
Keywords: agrociencias;bioinsecticide;stored grain;pest;organic control;info:eu-repo/classification/cti/6
Publisher: Universidad de Santiago de Chile
Project: http://www.redalyc.org/revista.oa?id=856 
Description: Sitophilus zeamais is a key pest of stored cereals. The insecticidal properties of Laurelia semper v irens powder against S. zeamais were assessed in laboratory. The variable evaluated were morta lity of adult insects by contact and fumigant toxicity, mortality of immature insects by contact toxicity, residual effect of powder stored under environmental or refrigerated conditions, adult insect em ergence (F1), repellency and weight reduction and ger mination of maize. The concentrations evaluated were 0, 0.25, 0.5, 1.0, 2.0 and 4.0% and the experimental design was completely randomly. In contact toxicity bioassay all treatments showed mortality over 90% while fumi gant activity did not exceed 40%. The F1 only was registered in treatment of 0.25% and control showing all other treatments 0%. In immature control bioassay all treatments exhibited statistical differences with control. The storage of powder under refrigerated cond itions not improved the resid ual effect. All concentrations of powder assessed showed repellence. Germination and grain weight loss of maize seeds not showed significant differences with control. We concluded that L. sempervirens has promissory perspectives to stored grain pests contr ol.
URI: http://ri.uaemex.mx/handle20.500.11799/39904
Other Identifiers: http://hdl.handle.net/20.500.11799/39904
Rights: info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0
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