Results 101 to 110 of about 28,297 (171)

Population dynamics of overwintering boll weevils, Anthonomus grandis grandis (Boheman) in the Lower Rio Grande Valley of Texas [PDF]

, 2004
Survival, morphological, physiological, and reproductive changes in overwintering boll weevils, Anthonomus grandis grandis Boheman, in the Lower Rio Grande Valley of Texas were studied.
Sappington, Thomas, Greenberg, S. M., Coleman, R. J.   +2 more
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Cholesterol oxidase interference on the emergence and viability of cotton boll weevil larvae

Pesquisa Agropecuária Brasileira, 2002
The aim of this work was to evaluate the influence of the enzyme cholesterol oxidase (Coase) on emergence and viability of larvae of the cotton boll weevil (Anthonomus grandis Boheman, 1843).
Santos Roseane Cavalcanti, Monnerat Rose Gomes, Sá Maria de Fátima Grossi de, Cordeiro Célia Maria Torres, Gomes Ana Cristina, Gander Eugen Silvano   +5 more
doaj  

Off-Season Diet and Ecology of the Boll Weevil Influence Long-Term Malathion Susceptibility

Insects
Background: The cotton boll weevil, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), is a major pest of cotton that causes significant yield losses and costly control measures.
Karolayne L. Campos, Guilherme G. Rolim, Raquel S. Silva, Maria R. S. Soares, Cristina S. Bastos, Jorge B. Torres   +5 more
doaj   +1 more source

Cytogenetic and genome size studies of the boll weevil Anthonomus grandis Boheman and related species (Coleoptera:Curculionidae)

, 1992
VitaMajor subject: GeneticsMitotic and meiotic chromosomes of four species of Anthonomus were analyzed. The meioformulas and diploid chromosome numbers observed were: 20AA + X[1]X[2]y[p], 2n = 43 (A. grandis and A. hunteri); 18AA + X[1]X[2]y[p] , 2n = 39
Barcenas-Ortega, Nina Malena
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Effect of temperature on the reproduction of Bracon vulgaris Ashmead (Hymenoptera: Braconidae), a parasitoid of the cotton boll weevil

Anais da Academia Brasileira de Ciências, 2011
This research studied the effect of temperature on the reproduction of Bracon vulgaris Ashmead, an ectoparasitoid of cotton boll weevil ( Anthonomus grandis Boheman) at constant temperatures of 20, 25 and 30ºC, 70 ± 10% RH and a photophase of 14 h ...
Francisco S. Ramalho, Paulo A. Wanderley, José B. Malaquias, Francisco S. Fernandes, Antônio R.B. Nascimento, José C. Zanuncio   +5 more
doaj  

Combate ao ácaro rajado Tetranychus urticae Koch, 1836 e ao bicudo do algodão Anthonomus grandis grandis Boheman, 1843

, 1985
Este trabalho tem o objetivo de dar continuidade às pesquisas que visam o combate ao ácaro rajado do algodoeiro Tetranychus urticae. Koch, 1836. Para tal objetivo, em oito tratamentos foram utilizados seis produtos:fempropatrina(300 g/ha), binapacril ...
R. Motta, W.Y. Kato, A.J. Raizer, F.A.M. Mariconi, Takaoka, M., Motta, R., M. Takaoka, Mariconi, F.A.M., J.M. Silva, Raizer, A.J., Silva, J.M., Kato, W.Y.   +11 more
core   +1 more source

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

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, D. Oliveira Marra¹, Raul A. Laumann, Maria Carolina Blassioli-Moraes, Raul Narciso C. Guedes, Miguel Borges, Wagner F. Barbosa, Marinaldo loures Ferreira, Anderson M. Zanine, Paulo S. C. Batista   +9 more
openaire   +1 more source

Characterization of Bacillus thuringiensis isolates toxic to cotton boll weevil (Anthonomus grandis)

, 2007
The cotton boll weevil (Anthonomus grandis) is the major cotton pest in the Americas. One of the alternatives for its control is the utilization of Bacillus thuringiensis (Bt), an entomopathogenic bacterium characterized by its production of insecticidal
Waga, Isabel C., Monnerat, Rose Gomes, Silva-Werneck, Joseilde O., Sone, Eduardo Hideki, Praça, Lílian Botelho, Dumas, Vinícius Fiúza, Martins, Érica Soares, Berry, Colin   +7 more
core   +1 more source

Tamanho mínimo de amostra de plantas e frutos do algodoeiro para monitoramento das populações de Anthonomus grandis Boh. (Coleoptera: Curculionidae). [PDF]

, 2014
Dois modelos estatísticos foram desenvolvidos visando determinar o tamanho mínimo de amostra para monitoramento de populações do bicudo do algodoeiro, Anthonomus grandis Boh. (Coleoptera: Curculionidae).
HABIB, M. E. M., RAGAZZI, S., PIEROZZI JR. I.   +2 more
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Ecologia aplicada de anthonomus grandis grandis boheman, 1843 (coleoptera, curculionidae), na região de Campinas, SP

, 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
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