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Registro Completo |
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
17/07/1996 |
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Data da última atualização: |
07/04/2008 |
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Autoria: |
TICCI, C. A. F.; VIEIRA, A. A. B. |
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Título: |
Eficiência relativa dos calcários produzidos em Manaus. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
IN: CONGRESSO BRASILEIRO DE CIÊNÇIA DO SOLO, 25., 1995, Viçosa, MG. Resumos expandidos. Viçosa: UFV, 1995. v.4, p. 2252-2254. |
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Idioma: |
Português |
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Palavras-Chave: |
Brasil; Calcários; Manaus. |
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Thesagro: |
Química. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00527naa a2200169 a 4500
001 1365220
005 2008-04-07
008 1995 bl uuuu u00u1 u #d
100 1 $aTICCI, C. A. F.
245 $aEficiência relativa dos calcários produzidos em Manaus.
260 $c1995
650 $aQuímica
653 $aBrasil
653 $aCalcários
653 $aManaus
700 1 $aVIEIRA, A. A. B.
773 $tIN: CONGRESSO BRASILEIRO DE CIÊNÇIA DO SOLO, 25., 1995, Viçosa, MG. Resumos expandidos. Viçosa: UFV, 1995.$gv.4, p. 2252-2254.
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Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
22/05/2015 |
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Data da última atualização: |
18/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SILVA, S. X. B.; SOARES, A. C. F.; ALMEIDA, D. O.; SANTOS FILHO, H. P.; BARBOSA, F. F. L. |
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Afiliação: |
S. X. B. SILVA, ADAB; A. C. F. SOARES, UFRB; D. O. ALMEIDA, UFRB; HERMES PEIXOTO SANTOS FILHO, CNPMF; FRANCISCO FERRAZ LARANJEIRA BARBOSA, CNPMF. |
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Título: |
Temporal patterns of citrus greasy spot-induced defoliation of sweet orange cultivars in Brazil. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Annals of Applied Biology, 2015. |
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ISSN: |
ISSN 0003-4746 |
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Idioma: |
Inglês |
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Conteúdo: |
Recôncavo Baiano is an area favourable for the occurrence of citrus greasy spot (CGS) (Mycosphaerella citri), but there has been no study of this pathosystem in Brazil. This work aimed to characterise the temporal patterns of CGS-induced defoliation in sweet orange cultivars ?Bahia? (Washington Navel) and ?Pêra?. Temperature, rainfall and relative humidity were recorded, as well as weekly defoliation (fallen leaves/canopy m2 or m3). Considering the mean of fallen leaves per canopy m2, and mean canopy area, the total annual defoliation was estimated to be around 32000 leaves per plant for ?Bahia? and 18500 for ?Pêra? sweet orange. Spectral density analysis showed that defoliation has a 5-week-long main cycle for both cultivars. The proportion of symptomatic fallen leaves was never below 0.97. The monthly number of fallen leaves per canopy area was positively correlated with the mean CGS incidence on leaves. Defoliation was significant, resulting in a low leaf density throughout the year. Many defoliation cycles and the very high proportion of symptomatic fallen leaves assure a constant inoculum supply. Based on these results, CGS cannot be considered a minor disease, at least in Recôncavo Baiano. |
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Palavras-Chave: |
Pant damage. |
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Thesagro: |
Fruta cítrica. |
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Thesaurus NAL: |
Citrus; Defoliation; Epidemiology; Mycosphaerella citri. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01936naa a2200253 a 4500
001 2015994
005 2023-05-18
008 2015 bl uuuu u00u1 u #d
022 $aISSN 0003-4746
100 1 $aSILVA, S. X. B.
245 $aTemporal patterns of citrus greasy spot-induced defoliation of sweet orange cultivars in Brazil.$h[electronic resource]
260 $c2015
520 $aRecôncavo Baiano is an area favourable for the occurrence of citrus greasy spot (CGS) (Mycosphaerella citri), but there has been no study of this pathosystem in Brazil. This work aimed to characterise the temporal patterns of CGS-induced defoliation in sweet orange cultivars ?Bahia? (Washington Navel) and ?Pêra?. Temperature, rainfall and relative humidity were recorded, as well as weekly defoliation (fallen leaves/canopy m2 or m3). Considering the mean of fallen leaves per canopy m2, and mean canopy area, the total annual defoliation was estimated to be around 32000 leaves per plant for ?Bahia? and 18500 for ?Pêra? sweet orange. Spectral density analysis showed that defoliation has a 5-week-long main cycle for both cultivars. The proportion of symptomatic fallen leaves was never below 0.97. The monthly number of fallen leaves per canopy area was positively correlated with the mean CGS incidence on leaves. Defoliation was significant, resulting in a low leaf density throughout the year. Many defoliation cycles and the very high proportion of symptomatic fallen leaves assure a constant inoculum supply. Based on these results, CGS cannot be considered a minor disease, at least in Recôncavo Baiano.
650 $aCitrus
650 $aDefoliation
650 $aEpidemiology
650 $aMycosphaerella citri
650 $aFruta cítrica
653 $aPant damage
700 1 $aSOARES, A. C. F.
700 1 $aALMEIDA, D. O.
700 1 $aSANTOS FILHO, H. P.
700 1 $aBARBOSA, F. F. L.
773 $tAnnals of Applied Biology, 2015.
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