Results 31 to 40 of about 4,134 (201)

Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae) induces the formation of shelter structures in cotton plants

open access: yes, 2023
Abstract Background Herbivorous arthropods induce their hosts to form plant structures where they shelter during unfavorable periods. The boll weevil Anthonomus grandis grandis (Coleoptera: Curculionidae) can spend the off-season inside cotton plant structures, known as dry boll, protected from pesticides, natural enemies, and the heat and ...
Willian Santos do Vale   +9 more
openaire   +1 more source

Técnica de sexado de pupas de Anthonomus grandis (Coleoptera: Curculionidae): una forma rápida y fácil de sexar para estudios biológicos

open access: yesRIA: Revista Investigaciones Agropecuarias, 2020
El picudo del algodonero, Anthonomus grandis Boheman (Coleoptera: Curculionidae), es considerado una de las plagas más perjudiciales del cultivo de algodón en América. Muchos estudios requieren la determinación del sexo para lo que se utilizan diferentes
Melina ALMADA, Ana NUSSENBAUM
doaj  

Starvation-Induced Morphological Responses of the Boll Weevil, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae)

open access: yesJournal of Cotton Science, 2017
Status of the boll weevil, Anthonomus grandis grandis Boheman, as a pest of cotton (Gossypium spp.) in the United States has diminished because of progress by eradication programs. However, this pest remains of critical importance in South America, and intractable populations in extreme South Texas and northern Mexico persistently threaten ...
Dale W. Spurgeon, Charles P.C. Suh
openaire   +1 more source

Diapause in the Boll Weevil, Anthonontus grandis Boheman, As Related to Fruiting Activity in the Cotton Plant [PDF]

open access: yes, 1973
Studies in Arkansas show that boll weevil diapause is related to changes in fruiting activity of the cotton plant. Generally, when larval development took place while fruiting levels were increasing or being held at a high level, diapause in resulting ...
Carter, F. L., Phillips, Jacob R.
core   +2 more sources

Host-free Survival of Boll Weevils (Coleoptera: Curculionidae) from Two Regions of Texas [PDF]

open access: yes, 2008
New information regarding boll weevil, Anthonomus grandis Boheman, overwintering is important to efforts to improve efficiency of eradication efforts. The boll weevil diapause remains a contentious issue despite intense study and some evidence suggests ...
Rummel, D. R.   +3 more
core   +3 more sources

Factibilidad técnica de variedades de algodón expresando proteínas Cry tóxicas contra Anthonomus grandis en el Valle del Sinú, Colombia

open access: yesCiencia y Agricultura, 2018
Anthonomus grandis y Spodoptera frugiperda son las principales plagas del algodón en la región Caribe de Colombia, la principal productora de algodón del país. El control de A. grandis representa el 20 % de los costos de producción.
Lorena Osorio-Almanza   +2 more
doaj   +1 more source

Padrão de emergência de adultos do bicudo do algodoeiro, Anthonomus grandis, ao longo da safra e entressafra na região Centro-Oeste. [PDF]

open access: yes, 2014
bitstream/item/111269/1/bpd332-2011 ...
CHAGAS, G. A.   +6 more
core  

Identification of Volatile Compounds Involved in Host Location by Anthonomus grandis (Coleoptera: Curculionidae)

open access: yesFrontiers in Ecology and Evolution, 2018
Phytophagous insects rely on plant volatiles to locate suitable hosts upon which to feed or oviposit. The boll weevil, Anthonomus grandis, is the main pest on cotton crops in the Neotropical region and is attracted to host plant volatiles, especially ...
Diego M. Magalhães   +8 more
doaj   +1 more source

A diagnostic test for insecticide resistance monitoring in “cotton boll weevil” Anthonomus grandis (Coleoptera: Curculionidae) populations [PDF]

open access: yes, 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.
Stadler, Teodoro
core  

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