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Effects of Protein Fractions from Zea Mays L. on Development and Survival of the Mexican Bean Weevil, Zabrotes subfasciatus (Boh.)

Published online by Cambridge University Press:  19 September 2011

M.L.R. Macedo
Affiliation:
Laboratrio de Purificação de Proteínas e suas Funções Biológicas, Departamento de Ciências Naturais, Universidade Federal de Mato Grosso do Sul, Caixa Postal 210, Av. Olinto Mancini, 1662, CEP 79603–011, Três Lagoas, Mato Grosso do Sul, Brazil
D.C.S. Damico
Affiliation:
Laboratrio de Purificação de Proteínas e suas Funções Biológicas, Departamento de Ciências Naturais, Universidade Federal de Mato Grosso do Sul, Caixa Postal 210, Av. Olinto Mancini, 1662, CEP 79603–011, Três Lagoas, Mato Grosso do Sul, Brazil
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Abstract

A study was conducted to elucidate the effects of protein fractions isolated from maize (Zea mays L.) seeds on the development and survival of the Mexican bean weevil, Zabrotes subfasciatus (Boh.) (Coleoptera: Bruchidae). Maize seeds were fractionated into albumins, globulins, prolamins, glutelins and a residue and the bruchids reared on artificial seeds composed of susceptible background bean flour enriched with the different protein fractions. Survival (as indicated by LD50) and development (as indicated by WD50) of 20-day-old larvae of the bruchid were negatively affected by most of the fractions. The albumins and globulins were the most detrimental to Z. subfasciatus, significantly affecting both its survival and development.

Résumé

Cette étude a été menée afin d'identifier des effet des fractions protéiniques des semences de Zea mays le dévelopement et là survie du bruchide du niébé, Zabrotes subfasciatus. Les semences ont été fractionnées en albumines, globulines, prolamines, glutélines et en un résidu. Des insectes ont été élevés sur des graines artificielles composées à partir d'une farine de haricot susceptible enrichie avec les différentes fractions protéiniques. La survie (telle qu'indiquée par là CL50) et le développment (tel qu'indiqué par WD50) des larvaes a âgées de 20 jours ont été négativement affectés par là plupart des fractions. Les albumines et globulines ont été les plus nocives, affectant à là fois là survie et le développment des larves.

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Type
Research Articles
Copyright
Copyright © ICIPE 2000

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