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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
19/11/2019 |
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Data da última atualização: |
19/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
NECHET, K. de L.; HALFELD-VIEIRA, B. de A. |
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Afiliação: |
KATIA DE LIMA NECHET, CNPMA; BERNARDO DE ALMEIDA HALFELD VIEIRA, CNPMA. |
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Título: |
Development of Cercospora leaf spot on Ipomoea weed species for biological control. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Biocontrol, v. 64, n. 2, p. 185-195, 2019. |
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ISSN: |
1573-8248 |
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DOI: |
https://doi.org/10.1007/s10526-018-09918-w |
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Idioma: |
Inglês |
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Conteúdo: |
Morning glories (Ipomoea spp.) are important weeds in non-burning sugarcane farming in Brazil, and their chemical control has low efficacy due to the straw mulching. The purpose of this work was to determine the effect of epidemiological parameters on the development of Cercospora leaf spot (Cercospora aff. canescens Ellis & G. Martin) on four Ipomoea weed species, as well as on the host range. The results demonstrated that the use of a suspension of 2 × 107 conidia ml−1 on specific host phenological stages (3?5 leaves, open flowers, and with fruit), with a minimum of a 24 h dew period, induces plant defoliation and a higher disease incidence on Ipomoea nil L. (Roth). However, the same disease incidence and defoliation on I. grandifolia (Dammer) O?Donell, I. quamoclit L., and I. hederifolia L. were not achieved. The pathogen was specific to these four Ipomoea species among 18 plant species. These results represent an important step in the development of a mycoherbicide to control morning glories. |
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Palavras-Chave: |
Cercospora aff canescens; Inundative biological control; Morning glories. |
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Thesagro: |
Cercosporiose; Controle Biológico; Erva Daninha; Fungo Para Controle Biológico. |
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Thesaurus Nal: |
Biological control; Cercospora; Ipomoea; Mycoherbicides; Weeds. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01936naa a2200301 a 4500
001 2114647
005 2019-11-19
008 2019 bl uuuu u00u1 u #d
022 $a1573-8248
024 7 $ahttps://doi.org/10.1007/s10526-018-09918-w$2DOI
100 1 $aNECHET, K. de L.
245 $aDevelopment of Cercospora leaf spot on Ipomoea weed species for biological control.$h[electronic resource]
260 $c2019
520 $aMorning glories (Ipomoea spp.) are important weeds in non-burning sugarcane farming in Brazil, and their chemical control has low efficacy due to the straw mulching. The purpose of this work was to determine the effect of epidemiological parameters on the development of Cercospora leaf spot (Cercospora aff. canescens Ellis & G. Martin) on four Ipomoea weed species, as well as on the host range. The results demonstrated that the use of a suspension of 2 × 107 conidia ml−1 on specific host phenological stages (3?5 leaves, open flowers, and with fruit), with a minimum of a 24 h dew period, induces plant defoliation and a higher disease incidence on Ipomoea nil L. (Roth). However, the same disease incidence and defoliation on I. grandifolia (Dammer) O?Donell, I. quamoclit L., and I. hederifolia L. were not achieved. The pathogen was specific to these four Ipomoea species among 18 plant species. These results represent an important step in the development of a mycoherbicide to control morning glories.
650 $aBiological control
650 $aCercospora
650 $aIpomoea
650 $aMycoherbicides
650 $aWeeds
650 $aCercosporiose
650 $aControle Biológico
650 $aErva Daninha
650 $aFungo Para Controle Biológico
653 $aCercospora aff canescens
653 $aInundative biological control
653 $aMorning glories
700 1 $aHALFELD-VIEIRA, B. de A.
773 $tBiocontrol$gv. 64, n. 2, p. 185-195, 2019.
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