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Biological characterization and mating compatibility of Helicoverpa gelotopoeon (D.) (Lepidoptera: Noctuidae) populations from different regions in Argentina

Published online by Cambridge University Press:  27 June 2017

M.I. Herrero ,
S.V. Fogliata ,
A. Vera ,
A. Casmuz ,
D. Sosa Gómez ,
A.P. Castagnaro ,
G. Gastaminza  and
M.G. Murúa
M.I. Herrero
Affiliation:
Instituto de Tecnología Agroindustrial del Noroeste Argentino, Estación Experimental Agroindustrial Obispo Colombres, Consejo Nacional de Investigaciones Científicas y Técnicas (ITANOA-EEAOC-CONICET), Las Talitas 4001, Tucumán, Argentina
S.V. Fogliata
Affiliation:
Instituto de Tecnología Agroindustrial del Noroeste Argentino, Estación Experimental Agroindustrial Obispo Colombres, Consejo Nacional de Investigaciones Científicas y Técnicas (ITANOA-EEAOC-CONICET), Las Talitas 4001, Tucumán, Argentina
A. Vera
Affiliation:
EEAOC, Las Talitas 4001, Tucumán, Argentina
A. Casmuz
Affiliation:
EEAOC, Las Talitas 4001, Tucumán, Argentina
D. Sosa Gómez
Affiliation:
EMBRAPA Soja, Rodovia João Strass, S/N, Acesso Orlando Amaral, CP 231, Londrina, PR 86001-970, Brazil
A.P. Castagnaro
Affiliation:
Instituto de Tecnología Agroindustrial del Noroeste Argentino, Estación Experimental Agroindustrial Obispo Colombres, Consejo Nacional de Investigaciones Científicas y Técnicas (ITANOA-EEAOC-CONICET), Las Talitas 4001, Tucumán, Argentina
G. Gastaminza
Affiliation:
EEAOC, Las Talitas 4001, Tucumán, Argentina
M.G. Murúa*
Affiliation:
Instituto de Tecnología Agroindustrial del Noroeste Argentino, Estación Experimental Agroindustrial Obispo Colombres, Consejo Nacional de Investigaciones Científicas y Técnicas (ITANOA-EEAOC-CONICET), Las Talitas 4001, Tucumán, Argentina
*
*Author for correspondence Phone: (54) 381-521000 Fax: (54) 381-521000 int 154 E-mail: gmurua@eeaoc.org.ar
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Abstract

Helicoverpa gelotopoeon, the South American bollworm, is a polyphagous pest of the Heliothinae complex that causes damage to soybean, cotton, and chickpea crops. Some species within this complex have developed resistance to genetically modified crops and insecticides, which has led to increased interest in their genetic diversity and population structure. The objective of this study was to characterize biological and reproductive parameters of two populations of H. gelotopoeon collected in two different provinces of Argentina. Intra- and inter-population crosses revealed that H. gelotopoeon populations from both regions of Argentina did not present evidence of pre-zygotic and post-zygotic incompatibility, suggesting that Tucumán and Córdoba populations of H. gelotopoeon belong to a single wide-ranging species. Our data support the occurrence of substantial gene flow between H. gelotopoeon populations, probably due to the widely documented, long-range migratory capacity of Heliothinae species.

Keywords

South American bollwormbiologyreproductive compatibilityfitnessinsect resistance management
Type
Research Papers
Information
Bulletin of Entomological Research , Volume 108 , Issue 1 , February 2018 , pp. 108 - 115
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Copyright © Cambridge University Press 2017 

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