2001
DOI: 10.1590/s1519-566x2001000100022
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Efeito de extratos aquosos de plantas no desenvolvimento de Plutella xylostella (L.) (Lepidoptera: Plutellidae)

Abstract: -The effects of aqueous extracts of different plant species on the development of Plutella xylostella (L.) were studied. Leaf discs of kale cultivar Portuguesa, Brassica oleracea var. acephala, were dipped in each plant extract per 30 seconds. Twelve neonate P. xylostela larvae (<12h) were fed on treated leaf discs and kept in petri dishes. The leaf discs were replaced at two-day intervals by fresh leaf discs treated with the plant extracts. Larvae of P. xylostella which fed on leaf discs treated with Melia. a… Show more

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Cited by 51 publications
(39 citation statements)
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“…MORDUE et al (1998) demonstraram que a deterrência alimentar, associadas a alterações no desenvolvimento e na ecdise, são as principais causas da mortalidade em insetos polífagos como S. littoralis, S. frugiperda e Schistocerca gregaria. A maioria das pesquisas desenvolvidas com o nim tem sido oriundas de produtos derivados de sementes trituradas (pó) e de óleo das sementes (TRINDADE et al, 2000;VIÑUELA et al, 2000;TORRES et. al., 2001).…”
Section: Discussionunclassified
“…MORDUE et al (1998) demonstraram que a deterrência alimentar, associadas a alterações no desenvolvimento e na ecdise, são as principais causas da mortalidade em insetos polífagos como S. littoralis, S. frugiperda e Schistocerca gregaria. A maioria das pesquisas desenvolvidas com o nim tem sido oriundas de produtos derivados de sementes trituradas (pó) e de óleo das sementes (TRINDADE et al, 2000;VIÑUELA et al, 2000;TORRES et. al., 2001).…”
Section: Discussionunclassified
“…According to Torres et al (2001) this extension may be related to the presence of growth inhibitors, low conversion of ingested food or by contain toxic substances that interfere with the lower food intake. This result is corroborated by Piubelli (2004) and Hoffmann-Campo et al (2006) who have studied biological aspects of Anticarsia gemmatalis (Lepidoptera: Noctuidae), fed with diets with the addition of the rutin flavonoid, observed an extension in feeding time.…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, it has been carried out researches on control measures with less environmental impact, and in this sense, the plants emerge as an important alternative for the management of this pest. According to Torres et al (2001), natural products extracted from plants are sources of substances which may be used in pest control, being compatible with integrated pest management programs (IPM) as an option to minimize the negative effects of indiscriminate use of insecticides.…”
Section: Introductionmentioning
confidence: 99%
“…Nesse caso, observaram-se que os extratos apresentaram efeito secundário sobre a formação das pupas, fortalecendo a tese de que aleloquímicos extraídos de plantas, por possuírem características insetistáticas, podem não apresentar ação aguda contra insetos-praga, mas poderão, no final de uma geração, reduzir a população da praga para níveis iguais ou inferiores àqueles encontrados com a utilização de produtos com acentuada ação inseticida (Torres et al, 2001).…”
Section: Resultsunclassified