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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
15/10/2004 |
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Data da última atualização: |
18/10/2004 |
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Autoria: |
GARCIA, D.; LE GUEN, V.; MATTOS, C. R. R.; GONÇALVES, P. de S.; CLÉMENT-DEMANGE, A. |
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Título: |
Relationships between yield and some structural traits of the laticiferous system in Hevea clones resistant to South American leaf blight. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Londrina, v. 2, n. 2, p. 307-317, June 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
Latex yield and six anatomical bark traits were measured in a five-year-old rubber tree clonal trial planted in Ituberá (Bahia, Brazil), on forty-nine different clones. The clones were pre-selected for resistance to SALB (South American Leaf Blight) caused by the fungus Microcyclus ulei (P.Henn.) v. Arx. The studied traits were: average yield (AY), girth (SC), virgen bark thickness (BT), total number of latex vessed rings (NR), average density of latex vessel per ring (DV), average diameter of latex vessels (DL) and average distance between consecutive latex vessel rings (AD). Phenotypic, genotypic and environmental correlations, and coefficient of genetic prediction (CGP) were calculated for all characters. There were considerable genetic variations between clones for AY, NR and BT, as indicated by high values of CGP. The genetic correlations were significant between AY and NR. The possibility to use NR as predictor of AY is discussed and the expected gains in percent of several references for AY are computed. FDR 4575, FDR 6099, FDR 5240, FDR 2010, FDR5597, CDC308, FDR 4151, CDC 943, MDX 608 clones were retained for their potential yield and recommended for multilocation large scale trials. |
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Palavras-Chave: |
Latex production; Latex vessel ring; Rubber tree; Serinueira; Yield predictor. |
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Thesagro: |
Fungo; Latex; Microcyclus Ulei. |
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Thesaurus Nal: |
breeding. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02054naa a2200277 a 4500
001 1212581
005 2004-10-18
008 2002 bl uuuu u00u1 u #d
100 1 $aGARCIA, D.
245 $aRelationships between yield and some structural traits of the laticiferous system in Hevea clones resistant to South American leaf blight.
260 $c2002
520 $aLatex yield and six anatomical bark traits were measured in a five-year-old rubber tree clonal trial planted in Ituberá (Bahia, Brazil), on forty-nine different clones. The clones were pre-selected for resistance to SALB (South American Leaf Blight) caused by the fungus Microcyclus ulei (P.Henn.) v. Arx. The studied traits were: average yield (AY), girth (SC), virgen bark thickness (BT), total number of latex vessed rings (NR), average density of latex vessel per ring (DV), average diameter of latex vessels (DL) and average distance between consecutive latex vessel rings (AD). Phenotypic, genotypic and environmental correlations, and coefficient of genetic prediction (CGP) were calculated for all characters. There were considerable genetic variations between clones for AY, NR and BT, as indicated by high values of CGP. The genetic correlations were significant between AY and NR. The possibility to use NR as predictor of AY is discussed and the expected gains in percent of several references for AY are computed. FDR 4575, FDR 6099, FDR 5240, FDR 2010, FDR5597, CDC308, FDR 4151, CDC 943, MDX 608 clones were retained for their potential yield and recommended for multilocation large scale trials.
650 $abreeding
650 $aFungo
650 $aLatex
650 $aMicrocyclus Ulei
653 $aLatex production
653 $aLatex vessel ring
653 $aRubber tree
653 $aSerinueira
653 $aYield predictor
700 1 $aLE GUEN, V.
700 1 $aMATTOS, C. R. R.
700 1 $aGONÇALVES, P. de S.
700 1 $aCLÉMENT-DEMANGE, A.
773 $tCrop Breeding and Applied Biotechnology, Londrina$gv. 2, n. 2, p. 307-317, June 2002.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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| 8. |  | NAVA, D. E. Manejo de pragas. In: OLIVEIRA, R. P. de; SCIVITTARO, W. B.; MIGLIORINI, L. C.; SIMCH, R. L. (Ed.). Tecnologias para produção de citros na propriedade de base familiar. Pelotas: Embrapa Clima Temperado, 2012. 70 p. (Embrapa Clima Temperado. Documentos, 343). p. 63-68| Tipo: Capítulo em Livro Técnico-Científico |
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| 11. | | NAVA, D. E. PÊSSEGO: Reação antecipada. Cultivar HF, Pelotas, v. 11, n. 82, p. 10-13, out./nov. 2013.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
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| 20. | | NAVA, D. E.; UENO, B. Normas gerais sobre uso de agrotóxicos. In: RASEIRA, M. do C. B.; PEREIRA, J. F. M.; CARVALHO, F. L. C. (ed.). Cultivo do pessegueiro. Pelotas: Embrapa Clima Temperado, 2022. (Embrapa Clima Temperado. Sistemas de Produção, 4). ODS. p. 147-149.| Tipo: Capítulo em Livro Técnico-Científico |
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