Results 71 to 80 of about 4,134 (201)

Métodos de destruição de restos de cultura do algodoeiro e sobrevivência do bicudo

open access: yesPesquisa Agropecuária Brasileira, 2015
Resumo: O objetivo deste trabalho foi avaliar a eficiência de métodos de destruição dos restos de cultura do algodoeiro (Gossypium hirsutum) para a redução da população remanescente do bicudo-do-algodoeiro (Anthonomus grandis).
Edenilson Batista Ribeiro   +6 more
doaj   +1 more source

Bicudo do algodoeiro: identificação, biologia, amostragem e táticas de controle. [PDF]

open access: yes, 2011
bitstream/CNPA/18282/1/CIRTEC79 ...
AQUINO, V. R. de   +4 more
core   +1 more source

Método de diagnóstico para el monitoreo de resistencia a insecticidas en poblaciones de "picudo del algodonero", Anthonomus grandis (Coleoptera: Curculionidae) A diagnostic test for insecticide resistance monitoring in "cotton boll weevil" Anthonomus grandis (Coleoptera: Curculionidae) populations

open access: yesRevista de la Sociedad Entomológica Argentina, 2009
El control de las poblaciones de Anthonomus grandis Boheman, por debajo de su umbral de daño económico durante el ciclo del cultivo del algodón, se realiza en forma efectiva hasta el momento, a través de insecticidas de síntesis.
Teodoro Stadler
doaj  

Boll weevil within season and off-season activity monitored using a pheromone-and-glue reusable tube trap

open access: yesScientia Agricola
: The boll weevil colonizes cotton fields as early as cotton squaring, causing significant losses due to feeding and protected development inside fruiting structures throughout crop phenology.
Robério Carlos dos Santos Neves   +3 more
doaj   +1 more source

Selective application of malathion: effect on boll weevil, non-target insects and natural enemies [PDF]

open access: yesBrazilian Journal of Biology
Non-selective chemical insecticides are the main method to manage the major insect pest of cotton in the Americas, the boll weevil Anthonomus grandis (Boheman, 1843) (Coleoptera: Curculionidae).
S. F. Camelo   +2 more
doaj   +1 more source

Manejo de moscas brancas, bicudo, lagartas não-alvo e acaros no caso do uso de NuOpal, algodoeiro com gene cry1Ac (continuaçao do proecsso n°12/2006) : Relatorio final (Safra 2007 - 2008) [PDF]

open access: yes, 2008
O objetivo do projeto foi comparar pela segunda safra agrícola, em grandes parcelas representativas (conduzidas de forma mecanizada na fazenda Canaã, perto de Primavera do Leste-MT), o manejo de dois tipos de cultivares: NuOpal (com o gene cry1Ac) e ...
Gottardo, Luiz César   +2 more
core  

Effects of photoperiod on boll weevil (Coleoptera: Curculionidae) development, survival, and reproduction [PDF]

open access: yes, 2008
Effects of photoperiod on development, survival, feeding, and oviposition of boll weevils,Anthonomus grandis grandis Boheman, were assessed under five different photophases (24, 14, 12, 10, and 0 h) at a constant 27°C temperature and 65% RH in the ...
Adamczyk, John   +5 more
core   +3 more sources

Temporal Changes in Genetic Variation of Boll Weevil (Coleoptera: Curculionidae) Populations, and Implications for Population Assignment in Eradication Zones [PDF]

open access: yes, 2011
An existing microsatellite genotype database has been used for several years in population genetic assignment analyses of boll weevils, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), captured in eradication zones.
Adamczyk, John   +7 more
core   +3 more sources

Manejo integrado de pragas do algodoeiro no Brasil. [PDF]

open access: yes, 2011
Introducao; Insetos-praga; Amostragem de pragas; Estrategias de controle; Considera?oes importantes; Perspectivas futuras;bitstream/item/33370/1/MIP-ALGODAO ...
ALMEIDA, R. P. de, SILVA, C. A. D. da
core  

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