Results 91 to 100 of about 1,616 (205)

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

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

Aspectos biológicos de adultos de um parasitóide do bicudo do algodoeiro Biological aspects of a parasitoid of the cotton boll weevil

open access: yesScientia Agricola, 1999
Bracon sp. é um importante agente de controle biológico de Anthonomus grandis (Boheman). Estudaram-se em laboratório, aspectos biológicos de Bracon sp., utilizando-se como hospedeiro larva do bicudo do algodoeiro, a temperatura de 26 ± 2oC, 70 ± 5% UR e ...
Lúcia Helena Avelino Araújo   +2 more
doaj   +1 more source

Bicudo (Anthonomus grandis Boheman) : Nova ameaça a cotonicultura brasileira - biologia e controle.

open access: yes, 2011
Historia do Anrhonomus grandis no mundo; Habitos e biologia do A. grandis; Insetos semelhantes ao bicudo; Plantas hospedeiras do bicudo; Fenologia do bicudo do algodoeiro-Anthonomus grandis; Controle quimico para o controle do bicudo; Migracao e ...
BRAGA SOBRINHO, R., LUKEFAHR, M. J.
core  

Pheromone release and perception, and fertility of insecticide-exposed cotton boll weevils (Anthonomus grandis grandis)

open access: yes
Abstract The objective of this work was to evaluate the effects of sublethal exposure to the insecticides malathion and beta-cyfluthrin on the pheromone perception and emission by the cotton boll weevil (Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae)).
Sharrine Omari   +9 more
openaire   +1 more source

Mechanical damage in cotton buds caused by the boll weevil

open access: yesPesquisa Agropecuária Brasileira, 2003
The boll weevil (Anthonomus grandis Boheman) causes high levels of bud abscission in cotton plants due to feeding or oviposition punctures. It has been reported that abscission is mainly due to enzymes present in the insect's saliva, but mechanical ...
Santos Roseane Cavalcanti   +3 more
doaj  

Ecologia aplicada de anthonomus grandis grandis boheman, 1843 (coleoptera, curculionidae), na região de Campinas, SP

open access: yes, 2018
Orientador: Mohamed E.M. HabibDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de BiologiaResumo: O presente trabalho tem como objetivo revelar aspectos da ecologia de Anthonomus grandis grandis, na região de Campinas, SP, incluindo ...
Pierozzi Junior, Ivo
core  

Elytral Interval Polymorphism in Anthonomus grandis Boheman and Anthonomus vestitus Boheman (Coleoptera: Curculionidae)

open access: yesThe Coleopterists' Bulletin, 1966
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Home - About - Disclaimer - Privacy