Entomofauna Associated to Different Phenological Stages on Blueberry Crop

Abstract

-The blueberry (Vaccinium ashei Reade, Ericaceae) is a small fruit with great growth potential in Brazil. This research was developed in order to identify the insects found on associated to the different phenological stages of blueberry in order to implement the integrated pest management for this crop. Insect samples were collected from three orchards, in the region of Pelotas, RS, from January 2010 to June 2012. The data were analyzed based on the composition and abundance of the collected insects. In all three sites, 2,354 insects were studied and the majority belonged to Hymenoptera (72%), Coleoptera (16%), Hemiptera (6%) and Diptera (4%). Forty-one families were identified with 59% of the listed insects belonging to the Apidae family, followed by 11% for Chrysomelidae and Formicidae. Overall, 50 species of insects were identified and Trigona spinipes (Fabr.) and Apis mellifera L. were the most abundant. Of the species found, 78% were herbivores, while 22% was beneficial insects (pollinators, predators and parasitoids) belonging to the orders Hymenoptera, Coleoptera and Dermaptera. The analysis of variance with the randomization test showed that the insect fauna does not differ between locations and phenological stages. The interaction of site with phenological stages was not significant for the three grade levels (order, family and species). The knowledge of the entomofauna associated with blueberry, along with the similarity in composition with the phenological stages and evaluated sites, contributes to the development of integrated pest management and establishment of production system for this new culture in southern Rio Grande do Sul, Brazil. Index terms: Vaccinium ashei, insect pest, pollinators. ENTOMOFAUNA ASSOCIADA A DIFERENTES ESTÁDIOSFENOLÓGICOS DA CULTURA DO MIRTILEIRO RESUMO -O mirtilo (Vaccinium ashei Reade, Ericaceae) é uma das pequenas frutas com grande potencial de crescimento no Brasil. Este trabalho foi desenvolvido com o objetivo de conhecer a entomofauna associada aos diferentes estádios fenológicos do mirtileiro, com vistas à implementação do manejo integrado de pragas nesta cultura. Foram realizadas coletas de insetos em três pomares da região de Pelotas-RS, de janeiro de 2010 a junho de 2012. Os dados foram analisados com base na composição e abundância dos insetos coletados. Nos três locais, foram observados 2.354 insetos, sendo a maioria pertencente às ordens Hymenóptera (72%), Coleoptera (16%), Hemíptera (6%) e Díptera (4%). Foram identificadas 41 famílias, sendo 59% do total de insetos coletados pertencentes à família Apidae, seguida por 11% das famílias Chrysomelidae e Formicidae. Ao todo, 50 espécies de insetos foram identificadas, sendo Trigona spinipes (Fabr.) e Apis mellifera L. as mais abundantes. Do total de espécies encontradas, 78% foram consideradas herbívoras, enquanto o restante 2% esteve representado por insetos benéficos (polinizadores, predadores e parasitoides) pertencentes às ordens Hymenóptera, Coleóptera e Dermáptera. Com base em análises de variância ...

Ciências Agrárias: limites e potencialidades em pesquisa

“…No entanto, os primeiros experimentos para a implantação do mirtileiro no país aconteceram em 1983, realizados pela Embrapa Clima Temperado, em Pelotas (RS), que introduziu uma coleção de cultivares provenientes da Universidade da Flórida (EUA) (Rufato;Antunes, 2016). Estima-se que cerca de 200 hectares sejam cultivados com mirtileiro, principalmente nos estados de RS, Santa Catarina (SC), SP e MG (Diez-Rodríguez et al, 2017).…”

The Influence of Variety and Climatic Year on the Phenology of Blueberry Grown in the Banat Area, Romania

“…Monitoring these environmental factors can be particularly important for farmers who want to introduce management practices at various stages of crop development. Diez-Rodriguez et al [5] consider that the knowledge of the entomofauna associated with the blueberry, together with the similarity of composition with the phenological stages and the evaluated sites, contributes to the development of integrated Agronomy 2022, 12, 2605 2 of 10 pest management and the establishment of a crop production system. Additionally, for studying the impact of climate change on plants, researchers have used phenology as a particularly important tool, especially in troubled ecosystems [6].…”