Antixenosis and Tolerance toDiabrotica speciosa(Coleoptera: Chrysomelidae) in Common Bean Cultivars

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 2015 Brazil English Publisher:Walter de Gruyter GmbHJournal:Florida Entomologist, volume 98, pages 464-472 (issn: 0015-4040, eissn: 1938-5102,

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Authors: Boica Júnior, Arlindo Leal; Costa, Eduardo Neves; Sardinha de Souza, Bruno Henrique; Ribeiro, Zulene Antônio; Morais Carbonell, Sergio Augusto;

doi: 10.1653/024.098.0212

handle: 11449/181816

Antixenosis and Tolerance toDiabrotica speciosa(Coleoptera: Chrysomelidae) in Common Bean Cultivars

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Abstract

Abstract Diabrotica speciosa (Germar, 1824) (Coleoptera: Chrysomelidae) is a polyphagous insect pest that attacks several crops of agricultural importance including common beans (Phaseolus vulgaris L.; Fabales: Fabaceae). Diabrotica speciosa larvae feed on the plant root system whereas the adults are leaf defoliators. Diabrotica speciosa control relies mainly on pesticide applications resulting in ecosystem contamination and other problems. This research aimed to identify common bean cultivars that express antixenosis to D. speciosa adult feeding and/or tolerance to larval injury, as well as to determine the resistance levels of the cultivars. To evaluate antixenosis, 10 common bean cultivars were tested for D. speciosa adult feeding preference in free-choice and no-choice tests. The cultivars were ‘IAC-Una’, ‘Diamante Negro’, ‘IAC-Diplomata’, ‘FT-Nobre’, ‘Onix’, ‘IAC-Uirapuru’, ‘IPR-Tiziu’, ‘BRS-Explendor’, ‘IAC-Maravilha’ and ‘BRS-Supremo’. Then, 6 cultivars were selected from the adult feeding assay an...

Country

Brazil

Related Organizations

Sao Paulo State University
Brazil
Universidade Estadual Paulista - UNESP
Brazil
IAC
United States

Keywords

Phaseolus vulgaris L., Phaseolus vulgaris L, Host plant resistance, Corn rootworm, Leaf beetle, Pest management, 630, Non-preference

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