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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
29/07/2021 |
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Data da última atualização: |
30/07/2021 |
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Tipo da produção científica: |
Nota Técnica/Nota Científica |
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Autoria: |
MICHELON, T. B.; VIEIRA, E. S. N.; PANOBIANCO, M. |
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Afiliação: |
THOMAS BRUNO MICHELON, UFPR; ELISA SERRA NEGRA VIEIRA, CNPF; MARISTELA PANOBIANCO, UFPR. |
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Título: |
Processing Eucalyptus cloeziana seed lots to improve purity, germination and vigor. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Scientia Agricola, v. 78, n. 4, e20190299, 2021. 5 p. |
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DOI: |
http://dx.doi.org/10.1590/1678-992X-2019-0299 |
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Idioma: |
Inglês |
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Conteúdo: |
Eucalyptus cloeziana is one of the highest-density wood species offering significant added value, frequently used in the construction and furniture industries. Despite its suitability, it may be overlooked on account of its propagation difficulties due either to its low rooting cutting capacity or to its seeds having a low germination rate perhaps attributable to the high proportion of indistinguishable impurities within the seed lots. This study aimed to develop an efficient technique for Eucalyptus cloeziana seed processing to increase the physical purity and, consequently, the physiological quality of the seed lot. Three seed lots, separated by size in sieves with 1.18, 1.00, and 0.84 mm square openings, were used. X-ray analyses were carried out, the number of normal seedlings and germination rate identified and the percentage and speed of seedling emergence under greenhouse conditions ascertained. The greenhouse evaluation showed that the seed retained in the 1.18 mm sieve presented viability and vigor twice that of the control. Therefore, the processing technique by size classification is efficient in terms of improving the physical and physiological performance of Eucalyptus cloeziana seed lots. |
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Palavras-Chave: |
Emergence; Eucalypt; Physical purity; Seedling. |
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Thesagro: |
Eucalipto; Eucalyptus Cloeziana; Semente. |
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Thesaurus Nal: |
Seedlings. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/224709/1/Elisa-Beneficiamento-E.-cloeziana.pdf
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Marc: |
LEADER 01958naa a2200253 a 4500
001 2133161
005 2021-07-30
008 2021 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1590/1678-992X-2019-0299$2DOI
100 1 $aMICHELON, T. B.
245 $aProcessing Eucalyptus cloeziana seed lots to improve purity, germination and vigor.$h[electronic resource]
260 $c2021
520 $aEucalyptus cloeziana is one of the highest-density wood species offering significant added value, frequently used in the construction and furniture industries. Despite its suitability, it may be overlooked on account of its propagation difficulties due either to its low rooting cutting capacity or to its seeds having a low germination rate perhaps attributable to the high proportion of indistinguishable impurities within the seed lots. This study aimed to develop an efficient technique for Eucalyptus cloeziana seed processing to increase the physical purity and, consequently, the physiological quality of the seed lot. Three seed lots, separated by size in sieves with 1.18, 1.00, and 0.84 mm square openings, were used. X-ray analyses were carried out, the number of normal seedlings and germination rate identified and the percentage and speed of seedling emergence under greenhouse conditions ascertained. The greenhouse evaluation showed that the seed retained in the 1.18 mm sieve presented viability and vigor twice that of the control. Therefore, the processing technique by size classification is efficient in terms of improving the physical and physiological performance of Eucalyptus cloeziana seed lots.
650 $aSeedlings
650 $aEucalipto
650 $aEucalyptus Cloeziana
650 $aSemente
653 $aEmergence
653 $aEucalypt
653 $aPhysical purity
653 $aSeedling
700 1 $aVIEIRA, E. S. N.
700 1 $aPANOBIANCO, M.
773 $tScientia Agricola$gv. 78, n. 4, e20190299, 2021. 5 p.
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Embrapa Florestas (CNPF) |
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