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Registro Completo |
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
17/11/2011 |
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Data da última atualização: |
09/05/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SPÓSITO, M. B.; AMORIM, L.; BASSANEZI, R. B.; YAMAMOTO, P.; FELIPPE, M. R.; CZERMAINSKI, A. B. C. |
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Afiliação: |
MARCEL B. SPÓSITO, FUNDECITRUS; LILIAN AMORIM, ESALQ/USP; RENATO B. BASSANEZI, FUNDECITRUS; PEDRO YAMAMOTO, FUNDECITRUS; MARCOS R. FELIPPE, FUNDECITRUS; ANA BEATRIZ COSTA CZERMAINSKI, CNPUV. |
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Título: |
Relative importance of inoculum sources of Guignardia citricarpa on the citrus black spot epidemic in Brazil. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Crop Protection, Surrey, v. 30, n. 12, p. 1546-1552, 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
Guignardia citricarpa, the causal agent of citrus black spot (CBS), forms ascospores and conidia in citrus leaf litter and only conidia on fruit and twigs. The objective of this work was to determine the relative importance of inoculum sources of ascospores and conidia in the progress of CBS under natural conditions in Brazil. A first experiment was conducted in an orchard subdivided into two areas. In one area, fallen leaves were removed and in the other area fallen leaves were maintained. In each area, two treatments were established: 1) CBS symptomatic mature fruit remained on the trees after the new fruit set, and 2) CBS symptomatic mature fruit were harvested before the new fruit set. A second experiment was carried out in a CBS-free experimental orchard where detached symptomatic fruit and leaf litter on the orchard floor and detached symptomatic fruit and dead twigs on the tree canopy were distributed to investigate the spread of disease. In the first experiment disease incidence was similar for all treatments in all years. However, in 2003, in the area without leaf litter (absence of the ascospores source), disease intensity and the rate of progress of disease incidence were higher when there was overlap of mature and young fruit. In the second experiment, only detached symptomatic fruit and dead twigs on the tree canopy were able to spread CBS in two years of the experiment. The distance of disease spread was less than 80 cm from these inoculum sources. The removal of fallen leaves was not sufficient to completely suppress the disease because of the presence of conidia in fruit and dead twigs. Therefore the reduction of conidia sources should be considered in CBS management in Brazil. MenosGuignardia citricarpa, the causal agent of citrus black spot (CBS), forms ascospores and conidia in citrus leaf litter and only conidia on fruit and twigs. The objective of this work was to determine the relative importance of inoculum sources of ascospores and conidia in the progress of CBS under natural conditions in Brazil. A first experiment was conducted in an orchard subdivided into two areas. In one area, fallen leaves were removed and in the other area fallen leaves were maintained. In each area, two treatments were established: 1) CBS symptomatic mature fruit remained on the trees after the new fruit set, and 2) CBS symptomatic mature fruit were harvested before the new fruit set. A second experiment was carried out in a CBS-free experimental orchard where detached symptomatic fruit and leaf litter on the orchard floor and detached symptomatic fruit and dead twigs on the tree canopy were distributed to investigate the spread of disease. In the first experiment disease incidence was similar for all treatments in all years. However, in 2003, in the area without leaf litter (absence of the ascospores source), disease intensity and the rate of progress of disease incidence were higher when there was overlap of mature and young fruit. In the second experiment, only detached symptomatic fruit and dead twigs on the tree canopy were able to spread CBS in two years of the experiment. The distance of disease spread was less than 80 cm from these inoculum sources. The removal ... Mostrar Tudo |
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Palavras-Chave: |
Brasil. |
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Thesagro: |
Doença de planta; Epidemiologia; Fruta cítrica; Fruticultura; Manejo. |
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Thesaurus Nal: |
Guignardia citricarpa. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/46862/1/SPOSITO-CropProtection-v30n12p1546-2011.pdf
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Marc: |
LEADER 02504naa a2200265 a 4500
001 1906208
005 2019-05-09
008 2011 bl uuuu u00u1 u #d
100 1 $aSPÓSITO, M. B.
245 $aRelative importance of inoculum sources of Guignardia citricarpa on the citrus black spot epidemic in Brazil.$h[electronic resource]
260 $c2011
520 $aGuignardia citricarpa, the causal agent of citrus black spot (CBS), forms ascospores and conidia in citrus leaf litter and only conidia on fruit and twigs. The objective of this work was to determine the relative importance of inoculum sources of ascospores and conidia in the progress of CBS under natural conditions in Brazil. A first experiment was conducted in an orchard subdivided into two areas. In one area, fallen leaves were removed and in the other area fallen leaves were maintained. In each area, two treatments were established: 1) CBS symptomatic mature fruit remained on the trees after the new fruit set, and 2) CBS symptomatic mature fruit were harvested before the new fruit set. A second experiment was carried out in a CBS-free experimental orchard where detached symptomatic fruit and leaf litter on the orchard floor and detached symptomatic fruit and dead twigs on the tree canopy were distributed to investigate the spread of disease. In the first experiment disease incidence was similar for all treatments in all years. However, in 2003, in the area without leaf litter (absence of the ascospores source), disease intensity and the rate of progress of disease incidence were higher when there was overlap of mature and young fruit. In the second experiment, only detached symptomatic fruit and dead twigs on the tree canopy were able to spread CBS in two years of the experiment. The distance of disease spread was less than 80 cm from these inoculum sources. The removal of fallen leaves was not sufficient to completely suppress the disease because of the presence of conidia in fruit and dead twigs. Therefore the reduction of conidia sources should be considered in CBS management in Brazil.
650 $aGuignardia citricarpa
650 $aDoença de planta
650 $aEpidemiologia
650 $aFruta cítrica
650 $aFruticultura
650 $aManejo
653 $aBrasil
700 1 $aAMORIM, L.
700 1 $aBASSANEZI, R. B.
700 1 $aYAMAMOTO, P.
700 1 $aFELIPPE, M. R.
700 1 $aCZERMAINSKI, A. B. C.
773 $tCrop Protection, Surrey$gv. 30, n. 12, p. 1546-1552, 2011.
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Registro original: |
Embrapa Uva e Vinho (CNPUV) |
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Origem |
Tipo/Formato |
Classificação |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
16/07/2007 |
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Data da última atualização: |
05/02/2016 |
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Autoria: |
OLIVEIRA, I. Q. L. de. |
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Título: |
Rádio e relacionamento: Programa Prosa Rural. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
2006. |
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Páginas: |
70 f. |
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Idioma: |
Português |
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Notas: |
Monografia (MBA em Gestão Estratégica de Marketing)-Fundação Getúlio Vargas, Brasília-DF. |
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Conteúdo: |
Objetivo de analisar e refletir sobre o programa de rádio da Embrapa - Prosa Rural, sua implementação nas comunidades de baixa renda e sua contribuição para a sociedade rural brasileira. O programa foi uma iniciativa da Embrapa Informação Tecnológica que tem sua sede em Brasília, DF e apresentou à sua diretoria, um projeto destinado à agricultura familiar, contribuindo para as ações do programa Fome Zero do Governo Federal. A idéia principal era, levar aos ouvintes, informação sobre pesquisa agropecuária realizada pela Embrapa em linguagem acessível, além de levar a cultura regional com música, radiogramas, dicas, receitas culinárias e notícias de interesse geral. O projeto foi aprovado e lançado em abril de 2004. |
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Palavras-Chave: |
Embrapa; Marketing de relacionamento; Programa de rádio; Prosa Rural. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/130274/1/FGV-Monografia-Ilka.pdf
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Marc: |
LEADER 01279nam a2200181 a 4500
001 1111091
005 2016-02-05
008 2006 bl uuuu m 00u1 u #d
100 1 $aOLIVEIRA, I. Q. L. de
245 $aRádio e relacionamento$bPrograma Prosa Rural.
260 $a2006.$c2006
300 $a70 f.
500 $aMonografia (MBA em Gestão Estratégica de Marketing)-Fundação Getúlio Vargas, Brasília-DF.
520 $aObjetivo de analisar e refletir sobre o programa de rádio da Embrapa - Prosa Rural, sua implementação nas comunidades de baixa renda e sua contribuição para a sociedade rural brasileira. O programa foi uma iniciativa da Embrapa Informação Tecnológica que tem sua sede em Brasília, DF e apresentou à sua diretoria, um projeto destinado à agricultura familiar, contribuindo para as ações do programa Fome Zero do Governo Federal. A idéia principal era, levar aos ouvintes, informação sobre pesquisa agropecuária realizada pela Embrapa em linguagem acessível, além de levar a cultura regional com música, radiogramas, dicas, receitas culinárias e notícias de interesse geral. O projeto foi aprovado e lançado em abril de 2004.
653 $aEmbrapa
653 $aMarketing de relacionamento
653 $aPrograma de rádio
653 $aProsa Rural
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Embrapa Unidades Centrais (AI-SEDE) |
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