2004
DOI: 10.1590/s0102-05362004000300010
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Avaliação de larvicidas de origem microbiana no controle da traça-das-crucíferas em couve-flor

Abstract: P lutella xylostella (L.) (Lep.:Plutellidae), comumente conhecida como traça-das-crucíferas, é considerada a principal praga das plantas da família Brassicacea no Brasil e no mundo (Talekar e Shelton, 1993). Seu ciclo de vida é muito influenciado pela temperatura, podendo haver até 15 gerações por ano. A 15 0 C o ciclo se completa em 28 dias, ao passo que a 35 0 C o mesmo se reduz para 11 dias (Ho, 1965; Balachowsky, 1966; Ooi e Kelderman, 1979). Durante o verão, a precipitação reduz o número de ovos das fol… Show more

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Cited by 10 publications
(12 citation statements)
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“…Insect resistance to microbial‐based insecticides is of particular concern in Brazil because it may impair the control of pests not only in conventional crops but also on organic farms, where these insecticides represent an important tool for pest management. Although efficacy studies of Bt ‐based products towards P. xylostella have been carried out in Brazil, this is the first time that such a susceptibility survey has been done with Brazilian populations of P. xylostella with regard to the evolution of resistance to Bt ‐based products and behavioural responses.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Insect resistance to microbial‐based insecticides is of particular concern in Brazil because it may impair the control of pests not only in conventional crops but also on organic farms, where these insecticides represent an important tool for pest management. Although efficacy studies of Bt ‐based products towards P. xylostella have been carried out in Brazil, this is the first time that such a susceptibility survey has been done with Brazilian populations of P. xylostella with regard to the evolution of resistance to Bt ‐based products and behavioural responses.…”
Section: Discussionmentioning
confidence: 99%
“…The chemical method has been used intensively not only to control P. xylostella but also to control other pests, with several sprays in one growing season, which have resulted in applicator intoxication . Besides the side effects inherent to insecticides, such as high residues left in the environment, many sprays of chemical insecticides have caused rapid selection of P. xylostella to resistance …”
Section: Introductionmentioning
confidence: 99%
“…Bioinsecticides based on B. thuringiensis are commercially produced since 1970 and at present represent over 90% of the market for biological products for pest control (DIAS et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…Trata-se de uma praga encontrada em todas as regiões produtoras de Brassicaceae no mundo, independente das condições climáticas (DIAS et al, 2004;MAU & KESSING, 2015), tendo como local de origem à Europa Mediterrânea (TALEKAR & SHELTON, 1993;CASTELO BRANCO & FRANÇA, 2001;DIAS et al, 2004).…”
Section: Plutella Xylostellaunclassified