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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
04/02/2014 |
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Data da última atualização: |
19/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GONÇALVES, F. P.; STUCHI, E. S.; LOURENÇO, S. A.; KRISS, ALISSA B.; GOTTWALD, T. R.; AMORIM, L. |
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Afiliação: |
FABRÍCIO PACKER GONÇALVES, ESALQ; EDUARDO SANCHES STUCHI, CNPMF; SILVIA AFONSECA LOURENÇO, ESALQ; ALISSA B. KRISS, Agricultural Research Service; TIM R. GOTTWALD, Agricultural Research Service; LILIAN AMORIM, ESALQ. |
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Título: |
The effect of irrigation on development of citrus variegated chlorosis symptoms. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Crop Protection, n. 57, p. 8-14, 2014. |
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ISSN: |
0261-2194 |
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Idioma: |
Inglês |
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Conteúdo: |
The incidence and severity of citrus variegated chlorosis (CVC) caused by Xylella fastidiosa are higher in the northern region of Sao Paulo, Brazil than in the southern region. This phenomenon is partly due to differences in the climate, especially rainfall, as the northern region tends to be drier than the southern region. The progress of CVC under three levels of irrigation was assessed in a grove located in the northern region of Sao Paulo. Trees (10-year-old Natal sweet orange) were arranged in a randomized complete block in a 3 2 factorial scheme with three levels of irrigation and two methods of infection with X. fastidiosa. The disease incidence in branches and the number of symptomatic fruits per tree were evaluated for three years. A monomolecular model was used to describe the progress of CVC incidence for all treatments. Irrigation reduced CVC symptoms in trees, especially the number of symptomatic fruits per tree. Based on this significant reduction, citrus irrigation can be used to reduce the main negative effect of CVC: reduced fruit size. Our results also explain the higher incidence of CVC in the northern region of Sao Paulo, where a dry season occurs. |
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Palavras-Chave: |
CVC. |
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Thesagro: |
Doença de planta; Irrigação. |
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Thesaurus Nal: |
Citrus variegated chlorosis; Irrigation. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01889naa a2200253 a 4500
001 1978438
005 2023-05-19
008 2014 bl uuuu u00u1 u #d
022 $a0261-2194
100 1 $aGONÇALVES, F. P.
245 $aThe effect of irrigation on development of citrus variegated chlorosis symptoms.$h[electronic resource]
260 $c2014
520 $aThe incidence and severity of citrus variegated chlorosis (CVC) caused by Xylella fastidiosa are higher in the northern region of Sao Paulo, Brazil than in the southern region. This phenomenon is partly due to differences in the climate, especially rainfall, as the northern region tends to be drier than the southern region. The progress of CVC under three levels of irrigation was assessed in a grove located in the northern region of Sao Paulo. Trees (10-year-old Natal sweet orange) were arranged in a randomized complete block in a 3 2 factorial scheme with three levels of irrigation and two methods of infection with X. fastidiosa. The disease incidence in branches and the number of symptomatic fruits per tree were evaluated for three years. A monomolecular model was used to describe the progress of CVC incidence for all treatments. Irrigation reduced CVC symptoms in trees, especially the number of symptomatic fruits per tree. Based on this significant reduction, citrus irrigation can be used to reduce the main negative effect of CVC: reduced fruit size. Our results also explain the higher incidence of CVC in the northern region of Sao Paulo, where a dry season occurs.
650 $aCitrus variegated chlorosis
650 $aIrrigation
650 $aDoença de planta
650 $aIrrigação
653 $aCVC
700 1 $aSTUCHI, E. S.
700 1 $aLOURENÇO, S. A.
700 1 $aKRISS, ALISSA B.
700 1 $aGOTTWALD, T. R.
700 1 $aAMORIM, L.
773 $tCrop Protection$gn. 57, p. 8-14, 2014.
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