Results 41 to 50 of about 163 (114)

Trinta anos do bicudo-do-algodoeiro no Brasil

Arquivos do Instituto Biológico, 2014
Este texto é uma revisáo bibliográfica que abrange 30 anos de ocorrência do bicudo-do-algodoeiro, Anthonomus grandisBoheman, 1843 (Coleoptera: Curculionidae), no Brasil.
Rosalia Azambuja, Paulo Eduardo Degrande
doaj   +1 more source

Sequential Sampling Plan of Anthonomus grandis (Coleoptera: Curculionidae) in Cotton Plants

Journal of Economic Entomology, 2017
The boll weevil, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), is one of the most important pests of cotton production worldwide. The objective of this work was to develop a sequential sampling plan for the boll weevil. The studies were conducted in Maracaju, MS, Brazil, in two seasons with cotton cultivar FM 993.
Grigolli, J. F. J., Souza, L. A., Mota, T. A., Fernandes, M. G., Busoli, A. C.   +4 more
openaire   +3 more sources

Efecto del paratión metílico en poblaciones del picudo del algodonero.

Agronomía Mesoamericana, 2006
Dosis letales medias del insecticida Paratión Metílico fueron determinadas en poblaciones de picudo del algodonero Anthonomus grandis colectadas en Río Bravo Tamaulipas, México; Tiquisate, Guatemala y Weslaco Texas E.U.A.
Jesús Lorea Gallardo, Dan A. Wolfenbarger   +1 more
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Descriptions Of The Larva And Pupa Of Anthonomus hunteri And Comparison With Anthonomus grandis (Coleoptera, Curculionidae)

, 1983
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Burke, Horace R., Cate, James R.
openaire   +2 more sources

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

Controle químico do bicudo do algodoeiro (Anthonomus grandis Boh., 1843)

Semina: Ciências Agrárias, 1995
O trabalho foi realizado com o objetivo de se avaliar a eficiência de inseticidas no controle de A. grandis em algodoeiro. Foram conduzidos dois experimentos em condições de campo.
Maurício Ursi Ventura, Pedro Manuel Oliveira Jeneiro Neves   +1 more
doaj   +1 more source

Between-season attraction of cotton boll weevil, Anthonomus grandis Boh. (Coleoptera: Curculionidae) adults by its aggregation pheromone

Scientia Agricola, 2001
The present study was undertaken to investigate the attractiveness of boll weevil adults by its aggregation pheromone under winter field conditions. Two experimental fields were utilized at "Casa Branca", SP, Brazil.
Wedson Desidério Fernandes, Sérgio Luis de Carvalho, Mohamed Habib   +2 more
doaj  

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

Pesquisa 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, Maria Aparecida Castellani, Carlos Alberto Domingues da Silva, Thiago Lima Melo, Gustavo dos Santos Silva, Willian Santos do Vale, Alexsandra Sousa Santos   +6 more
doaj   +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

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

Brazilian 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, C. A. D. Silva, J. C. Zanuncio   +2 more
doaj   +1 more source