Insects related to Olive culture in Rio Grande do Sul State, Brazil

Ricalde, Marcelo Perrone; Nava, Dori Edson; Loeck, Alci Enimar; Coutinho, Enilton Fick; Bisognin, André; García, Flávio Roberto Mello

doi:10.1590/0103-8478cr20141477

Cited by 27 publications

(8 citation statements)

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“…Combining the need to increase production and consumption, while reducing imports, researchers have conducted a number of important olive studies in Brazil, on subjects such as cutting propagation (PENSO et al, 2016), indication of more favorable areas for cultivation (WREGE et al, 2015a;WREGE et al, 2015b), identification of pests (RICALDE et al, 2015) and olive and oil quality (OLIVEIRA et al, 2012 Sachet et al olive plant pathology under Brazilian climate conditions have not yet received sufficient attention. This is an important study area as increased olive cultivation in Brazil could result in increased spending and reduced production due to diseases occurrence.…”

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Standard area diagram set for olive leaf spot assessment

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The establishment of olive (Olea europaea) orchards in Brazil is increasing due to their economic potential and benefits to human health. However, a number of limiting factors need to be overcome, such as Olive Leaf Spot (OLS) occurrence, for olives to reach their full potential. OLS, which is caused by Fusicladium oleaginum, results in defoliation and a reduction in fruit production. This study aimed to develop a standard area diagram set (SAD) for the assessment of OLS severity under humid subtropical climate conditions. The SAD was developed with six levels of severity (1, 3, 6, 9, 12 and 15%) and OLS severity was validated by eight inexperienced raters. Using the SAD provided an increase in accuracy, precision and concordance, while also reducing the smallest difference detectable. The proposed SAD was adequate at estimating the OLS and could be a useful tool for use in epidemiological and phytopathometry studies, evaluation of control strategies and selection of resistant genotypes.

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Standard area diagram set for olive leaf spot assessment

et al. 2017

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“…O gênero Scymnus também foi considerado um importante agente de controle biológico em outros pomares de frutíferas, tido como dominante e abundante em relação a outros artrópodes considerados benéficos (RODRIGUES et al, 2008;DUARTE et al, 2014). O coccinelídeo C. sanguinea, também considerado importante inimigo natural, é um predador de espécies de ácaros e afídeos, cochonilhas, aleirodídeos e psilídeos (BURGIO et al, 2006;RODRIGUES et al, 2010;RICALDE et al, 2015), demonstrando sua grande importância para o agroecossistema estudado.…”

Section: Methodsunclassified

“…As espécies Azya luteipes (Coleoptera: Coccinellidae) e Polybia paulista (Hymenoptera: Vespidae) foram dominantes, comuns e acessórias, enquanto que Eriopis connexa (Coleoptera: Coccinellidae) diferiu dessas duas espécies apenas no quesito constância, sendo considerada uma espécie acidental (Tabela 1). Além desses coccinelídeos, também considerados como importantes inimigos naturais de ácaros, pulgões e cochonilhas (RICALDE et al, 2015), foi constatada a presença do himenóptero P. paulista, importante agente regulador de pragas das ordens Diptera, Lepidoptera, Hemiptera, Hymenoptera e Coleoptera (PREZOTO et al, 2005;BICHARA-FILHO et al, 2009). Ademais, a família Syrphidae (Diptera) e também Dorus luteipes (Dermaptera: Forficulidae) foram consideradas como não dominantes, raros, pouco frequentes e acidentais, demonstrando a baixa prevalência desses insetos para a cultura da pinha (Tabela 1).…”

Section: H = Diversity Index (Shannon-wiener); E = Equity Indexunclassified

“…Esses resultados, frente à distribuição desses coccinelídeos ao longo do tempo, podem estar relacionados à presença de presas na copa das plantas e também em espécies de plantas invasoras, devido ao aspecto polífago desses predadores, alimentando-se de ácaros, afídeos, cochonilhas, aleirodídeos, psilídeos, entre outros (BURGIO et al, 2006;RODRIGUES et al, 2010;RICALDE et al, 2015;LIMBU et al, 2016). Além disso, a densidade populacional de C. sanguinea também pode ter sido influenciada pela população de Scymnus sp.…”

Section: H = Diversity Index (Shannon-wiener); E = Equity Indexunclassified

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Agentes de controle biológico (Arthropoda - Insecta) associados ao cultivo da pinha ( Annona squamosa L.)

Rossi

Picolo

Bernarde

et al. 2017

AGRO@MBIENTE ON-LINE

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Resumo: O conhecimento acerca dos agentes de controle biológico presentes naturalmente em áreas agrícolas apresenta grande importância na adoção de metodologias voltadas ao manejo integrado de pragas. Assim, objetivou-se com este trabalho realizar o levantamento da ocorrência populacional Abstract: Knowledge of biological control agents occurring naturally in agricultural areas is of great importance in adopting methods of integrated pest management. The aim of this work therefore, was to undertake a population survey of biological control agents (Insecta) associated with cultivation of Annona squamosa. The research was carried out during the 2015/2016 harvest in a conventional orchard of A. squamosa, located in the town of Tabatinga in the State of São Paulo, Brazil. The biological control agents were captured using yellow sticky traps. The following faunistic indices were calculated: dominance, abundance, frequency and constancy. Population fluctuations in the natural enemies sampled were analysed by histogram. The coccinellid predators, Scymnus sp. (Coleoptera: Coccinellidae) and Cycloneda sanguinea (Coleoptera: Coccinellidae) were the principal biological control agents sampled during the study, and considered superdominant, superabundant, superfrequent and constant. As for population fluctuation of predominant natural enemies, high population density was seen in Scymnus sp. between September and January 2015, whereas there were three population peaks for C. sanguinea during the study, in September 2015 and January and July 2016. The coccinellids, Scymnus sp. and C. sanguinea, were the predominant biological control agents in the cultivation of A. squamosa, with a higher population density for the genus Scymnus seen in the spring and summer seasons, and no distribution pattern for C. sanguinea observed.

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“…and Ricalde et al (2015) included Comstockaspis perniciosa (Comstock). Brazilian studies only recorded species of armored scales in olive did not evaluate the seasonal abundance, neither mortality nor parasitism.…”

Section: Introductionmentioning

confidence: 99%

Abundance, seasonality and parasitism of Diaspididae (Hemiptera) on olive trees

Souza

Wolff

2019

PESQ. AGROP. GAÚCHA

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Olive culture is a recent activity in Rio Grande do Sul, Brazil with little information on its scale insects. Abundance and seasonality of armored scale insects (Hemiptera, Diaspididae) and their parasitism was evaluated in olive orchard, Olea europaea L., cultivar Arbequina, in Caçapava do Sul (30°30′43″ S, 53°29′27″ W), RS, Brazil. Samples were monthly collected from April 2012 to March 2013. At each occasion 20 trees were drawn and, from each quadrant of their canopies (northern, southern, eastern and western) two branches (20 - 30 cm - length and contained at least 20 leaves) were randomly removed, respectively from the inner part and the outer part of the canopy. We found five species of Diaspididae, Aonidiella aurantii (Maskell), Hemiberlesia cyanophylli (Signoret), Acutaspis paulista (Hempel), Aspidiotus nerii Bouché and Melanaspis obscura (Comstock). It was not found an unique pattern of abundance, indicating that these species respond differently to temperature variations between seasons. The armored scale insects were evenly distributed among quadrants. Only H. cyanophylli showed differences in abundance between the inner and outer branches. We registered parasitism in all Diaspididae species; the total parasitism rate was 9.78%.

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Insects related to Olive culture in Rio Grande do Sul State, Brazil

Cited by 27 publications

References 5 publications

Standard area diagram set for olive leaf spot assessment

Standard area diagram set for olive leaf spot assessment

Agentes de controle biológico (Arthropoda - Insecta) associados ao cultivo da pinha ( Annona squamosa L.)

Abundance, seasonality and parasitism of Diaspididae (Hemiptera) on olive trees

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