2010
DOI: 10.1590/s1519-566x2010000100005
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Alternative food sources and overwintering feeding behavior of the boll weevil, Anthonomus grandis boheman (coleoptera: curculionidae) underthe tropical conditions of central Brazil

Abstract: -The boll weevil causes serious damage to the cotton crop in South America. Several studies have been published on this pest, but its phenology and behavior under the tropical conditions prevailing in Brazil are not well-known. In this study the feeding behavior and main food sources of adult boll weevils throughout the year in Central Brazil was investigated. The digestive tract contents of insects captured in pheromone traps in two cotton fields and two areas of native vegetation (gallery forest and cerrado … Show more

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Cited by 31 publications
(48 citation statements)
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References 12 publications
(5 reference statements)
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“…These laboratory based results corroborate the results from Ribeiro et al (2010), carried out in the field, that has shown that boll weevils can feed on alternative plants that occur in natural fields of the Central Brazil region. However, our results refine the information indicating that these alternative resources are mainly plant species that belongs to the Malvaceae family.…”
Section: Discussionsupporting
confidence: 88%
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“…These laboratory based results corroborate the results from Ribeiro et al (2010), carried out in the field, that has shown that boll weevils can feed on alternative plants that occur in natural fields of the Central Brazil region. However, our results refine the information indicating that these alternative resources are mainly plant species that belongs to the Malvaceae family.…”
Section: Discussionsupporting
confidence: 88%
“…Boll weevils have an evolutionary history with cotton that originated with the host shift from its Hampea ancestral host to Gossypium, the genera of the wild and domesticated cotton plants, early in the domestication process (Jones, 2001). Both genera, Hibiscus and Abelmoschus, belong to Malvacea family, and indeed several studies have also shown that boll weevil adults primarily feed on plants from the Malvaceae family (Cuadrado, 2002;Cuadrado and Garralla, 2000;Gabriel, 2002;Jones et al, 1993;Showler and Abrigo, 2007;Ribeiro et al, 2010). Probably, hibiscus and okra plants attracted and feed boll weevils because they are likely chemically and structurally more similar to cotton plants.…”
Section: Discussionmentioning
confidence: 99%
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“…The FM 910 cultivar had the highest number of re-sprout plants, while the DeltaOPAL cultivar showed the highest number of flower buds and adults per plant, as well as the highest percentage of buds damaged by the boll weevil. (Ramalho & Jesus 1988, Cuadrado 2002, Ribeiro et al 2010. Uma das estratégias de manejo do bicudo é a destruição dos restos culturais e o vazio sanitário, que auxiliam na redução de populações dessa praga, ao final do ciclo de cultivo.…”
Section: Infestation Of Anthonomus Grandis (Coleopteraunclassified
“…Assim, as fontes de recursos alimentares existentes, como áreas de vegetação de Cerrado, têm papel primordial na sobrevivência de adultos de bicudo, principalmente no período da entressafra. Os sobreviventes do período de escassez alimentar da entressafra influenciarão a taxa de crescimento populacional, durante um novo ciclo do algodoeiro (Barbosa et al 1983, Ribeiro et al 2010.…”
Section: Cultivar (C)unclassified