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Registro Completo |
Biblioteca(s): |
Embrapa Clima Temperado. |
Data corrente: |
05/10/2021 |
Data da última atualização: |
06/10/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CONCENÇO, G.; BRITO, G. G. de; FAGUNDES, P. R. R.; SCIVITTARO, W. B.; PARFITT, J. M. B.; MELO, T. S.; SILVA, L. B. X. da; DEUNER, S. |
Afiliação: |
GERMANI CONCENCO, CPACT; GIOVANI GREIGH DE BRITO, CNPA; PAULO RICARDO REIS FAGUNDES, CPACT; WALKYRIA BUENO SCIVITTARO, CPACT; JOSE MARIA BARBAT PARFITT, CPACT; THAIS STRADIOTO MELO, UFPel; LARYSSA BARBOSA XAVIER DA SILVA, UFPel; SIDNEI DEUNER, UFPel. |
Título: |
Contribution for improvement of rice breeding programs through morphoanatomical traits. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Journal of Agricultural Studies, v. 9, n. 2, p. 304-322, 2021. |
ISSN: |
2166-0379 |
DOI: |
10.5296/jas.v9i2.18256 |
Idioma: |
Inglês |
Conteúdo: |
Breeding programs aim to increase grain yield and quality through selection oriented mostly by morphological and productive traits. Although morphoanatomical traits are preponderant for plant performance, they are usually time-consuming, demanding specific equipment and trained personnel. The aim of the study is to establish relationships among morphological, micromorphological and anatomical traits of rice genotypes, to support rice breeders in choosing variables to be assessed in the search for superior rice genotypes. We assessed morphological (2nd leaf and root lengths, tiller and root number), micromorphological (vein density, intervein distance, stomatal density and opening width) and anatomical (area of sclerenchyma, xylem and phloem vessels, and percentage of aerenchyma) traits. Root number and length, area of sclerenchyma and xylem and phloem vessels are proposed to be the most efficient traits to be assessed in detailed studies aiming to identify superior genotypes in rice breeding programs, from the morphophysiological point of view. |
Thesagro: |
Arroz; Fisiologia; Genótipo; Morfologia Vegetal. |
Thesaurus Nal: |
Oryza. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/226688/1/Artigo-Contribution-For-Improvement-Of-Rice-Breeding-Prog.pdf
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Marc: |
LEADER 01883naa a2200289 a 4500 001 2135043 005 2021-10-06 008 2021 bl uuuu u00u1 u #d 022 $a2166-0379 024 7 $a10.5296/jas.v9i2.18256$2DOI 100 1 $aCONCENÇO, G. 245 $aContribution for improvement of rice breeding programs through morphoanatomical traits.$h[electronic resource] 260 $c2021 520 $aBreeding programs aim to increase grain yield and quality through selection oriented mostly by morphological and productive traits. Although morphoanatomical traits are preponderant for plant performance, they are usually time-consuming, demanding specific equipment and trained personnel. The aim of the study is to establish relationships among morphological, micromorphological and anatomical traits of rice genotypes, to support rice breeders in choosing variables to be assessed in the search for superior rice genotypes. We assessed morphological (2nd leaf and root lengths, tiller and root number), micromorphological (vein density, intervein distance, stomatal density and opening width) and anatomical (area of sclerenchyma, xylem and phloem vessels, and percentage of aerenchyma) traits. Root number and length, area of sclerenchyma and xylem and phloem vessels are proposed to be the most efficient traits to be assessed in detailed studies aiming to identify superior genotypes in rice breeding programs, from the morphophysiological point of view. 650 $aOryza 650 $aArroz 650 $aFisiologia 650 $aGenótipo 650 $aMorfologia Vegetal 700 1 $aBRITO, G. G. de 700 1 $aFAGUNDES, P. R. R. 700 1 $aSCIVITTARO, W. B. 700 1 $aPARFITT, J. M. B. 700 1 $aMELO, T. S. 700 1 $aSILVA, L. B. X. da 700 1 $aDEUNER, S. 773 $tJournal of Agricultural Studies$gv. 9, n. 2, p. 304-322, 2021.
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Embrapa Clima Temperado (CPACT) |
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81. | | DIONISIO, A. P.; CARVALHO-SILVA, L. B. de; VIEIRA, N. M.; GOES, T. de S.; BORGES, M. de F.; WURLITZER, N. J.; BRITO, E. S. de; IONTA, M.; FIGUEIREDO, R. W. de. Cashew-apple (Anacardium occidentale L.) and yacon (Smallanthus sonchifolius) functional beverage improve the diabetic state in rats. Food Research International, v. 77, p. 171-176, 2015.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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