Encontrados 4 documentos, a visualizar página 1 de 1
Interação entre as culturas de amora e mirtilo e as adventícias associadas: os ...
Serra, David; Mateus, Célia; Calha, Isabel; Figueiredo, ElisabeteThe insects present in the blackberry and blueberry crops are still almost unknown in Portugal. Thrips and their natural enemies were surveyed in these crops, during the flowering period, in Odemira region, as well as in the weeds inside and around the crops areas. This allows an evaluation of the entomological interaction cropweeds, for a future management of weeds taking also into account crops protection aga...
Coenosia attenuata (Diptera: Muscidae): um predador em estudo para utilização e...
Martins, Joana; Domingos, Cíntia; Nunes, Raquel; Garcia, André; Ramos, Cristina; Mateus, Célia; Figueiredo, ElisabeteCoenosia attenuata Stein, or “tiger-fly”, a polyphagous predator of important agricultural pests, as larva and adult, was detected for the first time, in Portugal, in 2002, in the “Oeste” region. For mass rearing optimization, the methodologies described in literature were changed. A higher number of emergences occurred on substrates with higher number of sciarids larvae and on the substrate with soil mixed wit...
THRIPS IN OLEAE EUROPAEA L.: ORGANIC VERSUS CONVENTIONAL PRODUCTION
Rei, Fernando; Mateus, Célia; Torres, LauraA study was carried out to evaluate differences between thrips communities in olive orchards under organic or conventional production regimes. Four olive orchards, two under organic production and two under conventional production, were selected in the Alentejo region, south of Portugal. Thrips were collected in the olive canopy every fortnight, between April and November of 2000, by the beating technique and i...
Presença e impacto de Bemisia tabaci (Genn.) (Homoptera: aleyrodidae) em cultur...
Mexia, António; Mateus, Célia; Amaro, Fernanda; Louro, DiamantinaIn Portugal, Bemisia tabaci (Genn.) (Homoptera: Aleyrodidae) was first recorded in 1992, in horticultural crops. Since 1995, it has been an important pest in the Algarve, southern Portugal, where it is present the whole year round, in greenhouse crops, with high infestations during the summer. In 2006, it was installed in Alentejo and in part of Ribatejo e Oeste region. It is a serious problem to several vegeta...
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