Results 11 to 20 of about 13,869 (261)

Mechanical damage in cotton buds caused by the boll weevil [PDF]

open access: diamondPesquisa 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   +2 more sources

Nicotiana benthamiana is a suitable transient system for high-level expression of an active inhibitor of cotton boll weevil α-amylase [PDF]

open access: yesBMC Biotechnology, 2019
Background Insect resistance in crops represents a main challenge for agriculture. Transgenic approaches based on proteins displaying insect resistance properties are widely used as efficient breeding strategies.
Guilherme Souza Prado   +12 more
doaj   +2 more sources

Transcriptome analysis in cotton boll weevil (Anthonomus grandis) and RNA interference in insect pests. [PDF]

open access: yesPLoS ONE, 2013
Cotton plants are subjected to the attack of several insect pests. In Brazil, the cotton boll weevil, Anthonomus grandis, is the most important cotton pest.
Alexandre Augusto Pereira Firmino   +10 more
doaj   +2 more sources

Subduing the Boll Weevil [PDF]

open access: greenScientific American, 1920
George H. Dacy
openaire   +3 more sources

Mortality of the cotton boll weevil in drip and sprinkler irrigated cotton crops

open access: yesBrazilian Journal of Biology, 2021
The cotton boll weevil, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), is a key cotton crop pest in Brazil. Adverse climatic factors, such as high temperatures and low soil moisture, dehydrate oviposited cotton squares (bud flowers) on ...
R.F. Faustino   +4 more
doaj   +1 more source

A New qPCR Assay for the Rapid Diagnosis of Anthonomus grandis Subspecies

open access: yesInsects, 2023
Rapid and accurate identification of Anthonomus grandis subspecies is crucial for effective management and eradication. Current diagnostic methods have limitations in terms of time to diagnosis (up to seven days) and can yield ambiguous results. Here, we
Tyler Jay Raszick   +8 more
doaj   +1 more source

Risk of control failure to insecticides malathion, profenophos + cypermethrin mixture, and fipronil in boll weevil (Coleoptera: Curculionidae) populations from Bahia, Brazil

open access: yesJournal of Cotton Research, 2023
Background To control the boll weevil Anthonomus grandis grandis (Coleoptera: Curculionidae), a key pest of cotton in the Americas, insecticides have been intensively used to manage their populations, increasing selection pressure for resistant ...
Beatriz S. Coelho   +7 more
doaj   +1 more source

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