IMA 5801B2RF, insect-resistant and glyphosate-tolerant cotton cultivar, with resistance to root-knot nematode

Bélot, Jean-Louis; Vilela, Patricia Maria Coury De Andrade; Galbieri, Rafael; Scoz, Leonardo B.; Boldt, Alberto Souza; Franzon, Rodrigo Chimenez; Leoni, Idimar; Rizzi, Ueverton; Souza, Marcio

doi:10.1590/1984-70332020v20n4c65

Crop Breed. Appl. Biotechnol.

2020

DOI: 10.1590/1984-70332020v20n4c65

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IMA 5801B2RF, insect-resistant and glyphosate-tolerant cotton cultivar, with resistance to root-knot nematode

Jean-Louis Bélot¹,

Patricia Maria Coury De Andrade Vilela²,

Rafael Galbieri³

et al.

Abstract: IMA 5801B2RF is a medium to short season cultivar with high fiber yield potential. The genes Bt cry1Ac and cry2Ab confer resistance to Lepidoptera and cp4-epsps confers tolerance to the herbicide glyphosate. The key feature of this new cultivar is resistance to ramularia leaf spot and root-knot nematode.

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Cited by 2 publications

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“…O tamanho de cada parcela onde foram avaliados os diferentes tratamentos foi de 60 ha cada, totalizando 120 ha de área tratada com feromônio (60 ha Bt + 60 ha convencional) e 120 ha de área não tratada. As cultivares de algodão utilizadas foram IMA 5801 B2RF expressando as proteínas inseticidas Bt, Cry1Ac e Cry2Ab (Belot et al 2020) e FM 944 GL (convencional). As cultivares foram semeadas em 25/01/2020, com a emergência das plantas em 30/01/2020.…”

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Supressão de acasalamentos e redução de danos de Spodoptera frugiperda (J. E. Smith, 1797) no algodoeiro

Schirmer,

Favetti,

Clark

et al. 2023

Entomol Commun

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The control of Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) in cotton (Gossypium hirsutum L.) has been limited by the rapid development of resistance to insecticides and Bt toxins. The fall armyworm has become increasingly present in cotton fields, becoming a major problem for growers. Therefore, the demand for new and more sustainable tools for managing this pest has increased in recent years. Ideally, the new tool should be compatible with other available control tactics, such as the use of Bt plants, and it should be implemented following IPM principles. In this study, we tested the efficacy of a liquid pheromone formulation for the Fall armyworm control in Bt and conventional cotton varieties in the Brazilian Midwest. Our results showed that the capture of insects in traps has been reduced by 85% in areas treated with pheromone compared to control suggesting high levels of mating suppression. Pheromone treatment also resulted in 70% less damage to cotton reproductive structures when compared to areas not treated with the pheromone in conventional cotton. Moreover, applying pheromone provided an additional benefit to Bt cotton, resulting in 85% damage reduction. Our results show the effectiveness and feasibility of mating disruption with pheromone as an important management tactic for Lepidopterans in cotton. However, no significant differences were found in yield in the conditions tested. These results represent a potential key step toward developing more sustainable tools for pest management in Brazil.

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unclassified

Supressão de acasalamentos e redução de danos de Spodoptera frugiperda (J. E. Smith, 1797) no algodoeiro

Schirmer,

Favetti,

Clark

et al. 2023

Entomol Commun

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show abstract

Occurrence of a new race of Meloidogyne enterolobii and avirulent M. incognita populations parasitizing cotton in western Bahia state, Brazil

Souza

Galbieri²,

Bélot³

et al. 2022

Physiological and Molecular Plant Pathology

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IMA 5801B2RF, insect-resistant and glyphosate-tolerant cotton cultivar, with resistance to root-knot nematode

Cited by 2 publications

References 11 publications

Supressão de acasalamentos e redução de danos de Spodoptera frugiperda (J. E. Smith, 1797) no algodoeiro

Supressão de acasalamentos e redução de danos de Spodoptera frugiperda (J. E. Smith, 1797) no algodoeiro

Occurrence of a new race of Meloidogyne enterolobii and avirulent M. incognita populations parasitizing cotton in western Bahia state, Brazil

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