Results 61 to 70 of about 1,737 (171)

Assessing the Economic Impacts of Pesticide Regulations

Agriculture, 2018
Economic impacts of pesticide regulations are assessed using five alternative methodologies. The regulations include crop supply-enhancing eradication programs and crop supply-decreasing pesticide bans.
Uwe A. Schneider, Livia Rasche, Bruce A. McCarl   +2 more
doaj   +1 more source

Fungal seed treatments of cotton affect boll weevil development

Pest Management Science, Volume 80, Issue 3, Page 1566-1576, March 2024.
Fewer boll weevil larvae hatched and fewer adults emerged from fungal‐treated plants. In addition, the developmental time from oviposition to adult emergence was delayed in the fungal‐treated plants. Abstract BACKGROUND Nonpathogenic fungi associated with plants can enhance plant defenses against stress factors, including herbivory. This study assessed
Janaina C. S. Cunha, Loren J. Rivera Vega, Jorge B. Torres, Charles P.C. Suh, Gregory A. Sword   +4 more
wiley   +1 more source

Migration and dispersal of Anthonomus grandis (Coleoptera: Curculionidae) in South America Migración y dispersión de Anthonomus grandis (Coleoptera: Curculionidae) en América del Sur

Revista de la Sociedad Entomológica Argentina, 2007
This study discusses the dispersal of Anthonomus grandis Boheman, the cotton boll weevil, in Argentina, Brazil, Paraguay and Bolivia, exploring the ecological and physiological factors that have made the dispersal and establishment of this insect in ...
Teodoro Stadler, Micaela Buteler
doaj  

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  

Boll weevils in dry bolls: is there a performance disadvantage?

Journal of Cotton Research
Background Anthonomus grandis grandis is the main cotton pest in the Americas, with the potential to become a pest in other continents. The insect uses the plant’s reproductive organs for feeding, oviposition, and survival strategies in the off-season ...
Beatriz S. Coelho, Suzany A. Leite, Mateus P. dos Santos, Eloito C. de Mates, Beatriz M. L. de Moraes, Cristina S. Bastos, Raul N. C. Guedes, Aldenise A. Moreira, Maria A. Castellani   +8 more
doaj   +1 more source

Morphology and Morphometry of the Reproductive Tract of the Cotton Boll Weevil after Prolonged Feeding on Alternative Diets. [PDF]

Insects, 2023
Carvalho TDS, Silva CADD, Martins CF, Silva LLD, Zanuncio JC, Serrão JE.   +5 more
europepmc   +1 more source

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

Scientia 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, Raimundo Braga Sobrinho, Messias Firmino de Queiroz   +2 more
doaj   +1 more source

Mechanical damage in cotton buds caused by the boll weevil

Pesquisa 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, Marcellino Lucília Helena, Monnerat Rose Gomes, Gander Eugen Silvano   +3 more
doaj  

AI-Driven Computer Vision Detection of Cotton in Corn Fields Using UAS Remote Sensing Data and Spot-Spray Application

Remote Sensing
To effectively combat the re-infestation of boll weevils (Anthonomus grandis L.) in cotton fields, it is necessary to address the detection of volunteer cotton (VC) plants (Gossypium hirsutum L.) in rotation crops such as corn (Zea mays L.) and sorghum ...
Pappu Kumar Yadav, J. Alex Thomasson, Robert Hardin, Stephen W. Searcy, Ulisses Braga-Neto, Sorin C. Popescu, Roberto Rodriguez, Daniel E. Martin, Juan Enciso   +8 more
doaj   +1 more source

Simultaneous silencing of juvenile hormone metabolism genes through RNAi interrupts metamorphosis in the cotton boll weevil. [PDF]

Front Mol Biosci, 2023
Vasquez DDN, Pinheiro DH, Teixeira LA, Moreira-Pinto CE, Macedo LLP, Salles-Filho ALO, Silva MCM, Lourenço-Tessutti IT, Morgante CV, Silva LP, Grossi-de-Sa MF.   +10 more
europepmc   +1 more source