Influence of Host Tree Proximity on Adult Plum Curculio (Coleoptera: Curculionidae) Responses to Monitoring Traps

Leskey, Tracy; Wright, Starker E.

doi:10.1603/0046-225x-33.2.389

Cited by 30 publications

(31 citation statements)

References 35 publications

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“…In fact, captures in baited traps declined rapidly after fruit set (Prokopy et al 2003, Leskey andWright 2004a), indicating that volatiles released by rapidly developing fruit could be outcompeting synthetic attractants. Indeed, Leskey and Wright (2004b) found that presence of host apple trees did have a signiÞcant impact on plum curculio responses to baited traps, further strengthening the hypothesis that olfactory cues produced by host trees, particularly after fruit set, are more attractive to plum curculios than synthetic attractants. Thus, there appears to be a clear need for a more competitive attractant for plum curculio, particularly with regard host plant volatiles.…”

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confidence: 58%

“…For example, although benzaldehyde was identiÞed from plum , it also is produced by apple blossoms (Buchbauer et al 1993). It is likely that volatile release of benzaldehyde and other compounds by host trees contributes to reduction of plum curculio captures in benzaldehydebaited traps when traps are in close proximity to host trees (Leskey and Wright 2004b). Third, in all identiÞcations of host volatiles to date, fruit were removed from trees and taken to the laboratory for analysis (Boevé et al 1996), a procedure that could alter both the components and rate of volatile release.…”

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confidence: 99%

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Nonfruiting Host Tree Volatile Blends: Novel Attractants for the Plum Curculio (Coleoptera: Curculionidae)

Leskey¹,

Zhang

Herzog

2005

Environ Entomol

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confidence: 58%

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confidence: 99%

Nonfruiting Host Tree Volatile Blends: Novel Attractants for the Plum Curculio (Coleoptera: Curculionidae)

Leskey¹,

Zhang

Herzog

2005

Environ Entomol

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“…formação dos frutos, são mais atrativos do que a utilização isolada do feromônio (Leskey & Wright, 2004). Nos gorgulhos, esse comportamento foi observado para S. oryzae, que só libera seu feromônio de agregação na presença do substrato alimentar (Landolt & Phillips, 1997).…”

Section: Resultsunclassified

Flutuação populacional e distribuição de Sitophilus zeamais em pomares de pessegueiro e macieira

Nörnberg

Nava

Grützmacher

et al. 2013

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar a flutuação populacional de Sitophilus zeamais (Coleoptera: Curculionidae) e determinar a distribuição deste inseto-praga nas plantas de pessegueiro e macieira na região de Pelotas, no Rio Grande do Sul. A flutuação populacional foi avaliada nas safras 2009/2010 e 2010/2011, por meio de monitoramento semanal com armadilhas dos pomares, durante aproximadamente cinco meses. Foram usadas dez armadilhas do tipo Pet-milho por hectare, posicionadas a 1,7 m do solo, distribuídas de maneira equidistante nas bordas e no centro do pomar. A distribuição do inseto nas plantas foi avaliada nos frutos dos terços superior, mediano e inferior das plantas, na cultivar de maçã Eva e nas cultivares de pêssego Sensação (ciclo precoce), Eldorado (ciclo tardio) e Eragil (ciclo tardio). Em macieira, o ataque de S. zeamais ocorreu por cinco a sete semanas, e, em pessegueiro, por três a quatro semanas. Foi observado maior número de S. zeamais machos no início da infestação dos pomares, principalmente nos frutos do terço superior das plantas. Nas semanas seguintes, a maior infestação de frutos se deu no terço médio. O ataque de Sitophilus zeamais ocorre tanto em cultivares precoces como em tardias de pessegueiro, com pico de ataque no período de colheita.Termos para indexação: Malus domestica, Prunus persica, época de controle, gorgulho-do-milho, monitoramento. Population dynamics and distribution of Sitophilus zeamais in peach and apple orchardsAbstract -The objective of this work was to evaluate the population dynamics of Sitophilus zeamais (Coleoptera: Curculionidae) and to determine the distribution of this pest in plants of peach and apple orchards, in the region of Pelotas, state of Rio Grande do Sul, Brazil. Population dynamics was evaluated in the 2009/2010 and 2010/2011 growing seasons by weekly monitoring the orchards with traps for approximately five months. Ten "Pet-milho"-type traps were used per hectare, positioned 1.7 m above the ground, distributed equidistantly in the borders and in the center of the orchards. Insect distribution in plants was evaluated in fruits from the top, middle, and bottom portions of the plants, in the apple cultivar Eva and in the peach cultivars Sensação (early cycle), Eldorado (late cycle), and Eragil (late cycle). In apple, S. zeamais attack occurred for five to seven weeks, and in peach, for three to four weeks. A greater number of S. zeamais males was observed at the beginning of the orchard infestation, mainly in fruits from the top portion of the plants. In the following weeks, the highest infestation of fruits occurred in the middle portion. Sitophilus zeamais attack occurs both in early and late cultivars of peach, with a peak attack at the harvesting stage.

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“…Plum curculio monitoring techniques employ both trap-based (Pinero et al 2001;Prokopy et al 2003;Leskey and Wright 2004) and trap tree-based (Prokopy et al 2003) systems in a limited array of commercial orchards. Grandisoic acid, benzaldehyde, and plum essence are the most effective chemicals used to attract plum curculio in orchards (Coombs 2001;Pinero et al 2001;.…”

Section: Discussionmentioning

confidence: 99%

Phenology and Infestation Patterns of Plum Curculio (Coleoptera: Curculionidae) on Four Highbush Blueberry Cultivars

Polavarapu

Kyryczenko-Roth

Barry

2004

Journal of Economic Entomology

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Influence of Host Tree Proximity on Adult Plum Curculio (Coleoptera: Curculionidae) Responses to Monitoring Traps

Cited by 30 publications

References 35 publications

Nonfruiting Host Tree Volatile Blends: Novel Attractants for the Plum Curculio (Coleoptera: Curculionidae)

Nonfruiting Host Tree Volatile Blends: Novel Attractants for the Plum Curculio (Coleoptera: Curculionidae)

Flutuação populacional e distribuição de Sitophilus zeamais em pomares de pessegueiro e macieira

Phenology and Infestation Patterns of Plum Curculio (Coleoptera: Curculionidae) on Four Highbush Blueberry Cultivars

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