2007
DOI: 10.1590/s1519-566x2007000400017
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Plano de amostragem presença-ausência para Oligonychus yothersi (McGregor) (Acari: Tetranychidae) na cultura da erva-mate

Abstract: -Mite infestations to the culture of mate-tea frequently causes losses by the premature fall of the leaves. So, it is necessary to monitor the population of these arthropods, and to adopt management strategies for their control. The objective of this research was to evaluate the trustworthiness of presenceabsence sampling for Oligonychus yothersi (McGregor) on mate-tea orchard. This study was conducted in Cascavel, Paraná State, from April 2001 to July 2000, in a mate-tea tree commercial plantation. Biweekly s… Show more

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Cited by 8 publications
(4 citation statements)
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“…Aggregated distribution has been recorded for B. phoenicis (Geijskes) (PERECIN and OLIvEIRA, 1979) and Phyllocoptruta oleivora (Ashm) (HALL et al, 1994) on citrus, as well as Calacarus heveae (Feres) on rubber (FERLA et al, 2007), Panonychus ulmi (Koch) on apple (RIBEIRO et al, 1990), Tetranychus urticae (Koch) on roses (SO, 1991), Oligonychus yothersi (McGregor) (Tetranychidae) (GOuvEA et al, 2007) and Dichopelmus notus (Keifer) (BERTOLDO et al, 2008) on mate.…”
Section: Resultsmentioning
confidence: 99%
“…Aggregated distribution has been recorded for B. phoenicis (Geijskes) (PERECIN and OLIvEIRA, 1979) and Phyllocoptruta oleivora (Ashm) (HALL et al, 1994) on citrus, as well as Calacarus heveae (Feres) on rubber (FERLA et al, 2007), Panonychus ulmi (Koch) on apple (RIBEIRO et al, 1990), Tetranychus urticae (Koch) on roses (SO, 1991), Oligonychus yothersi (McGregor) (Tetranychidae) (GOuvEA et al, 2007) and Dichopelmus notus (Keifer) (BERTOLDO et al, 2008) on mate.…”
Section: Resultsmentioning
confidence: 99%
“…Em estudos observando infestações do ácaro Oligonychus yortesi, em erva-mate, foram requeridas vinte amostras quando a densidade média da praga atingiu 25 indivíduos por folha, considerando um nível de 10% de precisão (GOUVEA et al, 2007). Os autores avaliaram essa informação como de grande potencial para aplicação no manejo do acarino.…”
Section: Resultsunclassified
“…Para diversos fitófagos, sobretudo para aqueles de tamanho diminuto, pesquisas têm apontado que o método da análise binomial, ou método presença-ausência, torna o processo mais rápido, já que leva em conta se o indivíduo está presente ou não, independentemente do seu número (GOUVEA et al, 2007). Uma opção viável seria verificar se há relação entre o número de indivíduos por planta/estrutura e o percentual de plantas/estruturas infestadas.…”
Section: Estudo Da Unidade Amostral Para a Gossypii Em Algodoeirounclassified
“…In Chile, O. yothersi was found in avocado orchards (Rioja and Vargas 2009). In Brazil, this species was also found feeding on mango (Mangifera indica), Yerba mate (Gouvea et al 2007) or Paraguayan tea (Ilex paraguariensis) (Alves et al 2004;Alves and Oliveira 2009) and coffee leaves (Coffea spp.) (Mineiro et al 2008;Moraes and Flechtmann 2008).…”
mentioning
confidence: 99%