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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
19/03/2008 |
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Data da última atualização: |
21/07/2022 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
FRANCO, D.; STUCHI, E. S.; S. R. SILVA; MARTINS, A. B. G. |
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Afiliação: |
D. Franco, UNESP; Eduardo Sanches Stuchi, CNPMF; S. R. Silva, Estação Experimental de Citricultura de Bebedouro; A. B. G. Martins, UNESP. |
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Título: |
Behavior of six sweet orange varieties under high inoculum pressure of citrus variegated chlorosis (CVC). |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
In: CONFERENCE OF THE INTERNATIONAL ORGANIZATION OF CITRUS VIROLOGISTS, 17., 2007, Adana. Program [and] abstracts... Adana: [s.n.], 2007. p. 161. |
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Idioma: |
Inglês |
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Conteúdo: |
The use of resistant varieties is know as the most efficient measure of control to the citrus variegated chlorosis (CVC), caused by Xylella fastidiosa pv. pauca, a serious disease to the Brazilian citriculture. The aim of the current work was to evaluate the disease evaluation and severity on six sweet oranges varieties, selected by showing fewerleaf symptoms in the greenhouse. The experimental desing was a randomized block, arranged in split-plots in time. Each block was composed by a rootstock and each experimental unit by 18 trees. The trees were evaluated by visual assessments performed once a year using a 1-4 rating scale. For each evaluation, all plants were inspected. With the number of trees inspected and their grades the disease index was calculated for the two years. Results were submitted to analysis of variance using the Fischer's test and the means compared by the Tukey test (P< 0.05). The 'Folha Murcha'sweet orange showed the minor disease index while 'São Miguel' and 'Vaccaro Blood' were he varieties that showed more leaf symptoms and the highest disease index. |
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Thesagro: |
Clorose; Fruta Cítrica. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/655683/1/Imagem-11.pdf
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Marc: |
LEADER 01721nam a2200169 a 4500
001 1655683
005 2022-07-21
008 2007 bl uuuu u00u1 u #d
100 1 $aFRANCO, D.
245 $aBehavior of six sweet orange varieties under high inoculum pressure of citrus variegated chlorosis (CVC).$h[electronic resource]
260 $aIn: CONFERENCE OF THE INTERNATIONAL ORGANIZATION OF CITRUS VIROLOGISTS, 17., 2007, Adana. Program [and] abstracts... Adana: [s.n.], 2007. p. 161.$c2007
520 $aThe use of resistant varieties is know as the most efficient measure of control to the citrus variegated chlorosis (CVC), caused by Xylella fastidiosa pv. pauca, a serious disease to the Brazilian citriculture. The aim of the current work was to evaluate the disease evaluation and severity on six sweet oranges varieties, selected by showing fewerleaf symptoms in the greenhouse. The experimental desing was a randomized block, arranged in split-plots in time. Each block was composed by a rootstock and each experimental unit by 18 trees. The trees were evaluated by visual assessments performed once a year using a 1-4 rating scale. For each evaluation, all plants were inspected. With the number of trees inspected and their grades the disease index was calculated for the two years. Results were submitted to analysis of variance using the Fischer's test and the means compared by the Tukey test (P< 0.05). The 'Folha Murcha'sweet orange showed the minor disease index while 'São Miguel' and 'Vaccaro Blood' were he varieties that showed more leaf symptoms and the highest disease index.
650 $aClorose
650 $aFruta Cítrica
700 1 $aSTUCHI, E. S.
700 1 $aS. R. SILVA
700 1 $aMARTINS, A. B. G.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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