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Registro Completo |
Biblioteca(s): |
Embrapa Algodão; Embrapa Cerrados. |
Data corrente: |
05/02/1999 |
Data da última atualização: |
11/05/2009 |
Autoria: |
RICHETTI, A.; MELO FILHO, G. A. de. |
Título: |
Aspectos socioeconomicos do algodoeiro herbaceo. |
Ano de publicação: |
1998 |
Fonte/Imprenta: |
In: ALGODÃO: informações técnicas. Dourados: Embrapa Agropecuaria Oeste; Campina Grande: Embrapa Algodão, 1998. |
Páginas: |
p.11-25. |
Série: |
(Embrapa Agropecuaria Oeste. Circular Técnica, 7). |
Idioma: |
Português |
Conteúdo: |
Panorama internacional; Panorama nacional; Panorama em Mato Grosso do Sul; Panorama em Mato Grosso; |
Palavras-Chave: |
Aspecto socio-economico; Aspectos economicos; Brasil; Gossupium hirsutum; Grossypium herbaceum; Mato Grosso; Mato Grosso do Sul; Socioeconomic situation. |
Thesagro: |
Algodão; Algodão Herbáceo; Cerrado. |
Thesaurus Nal: |
Brazil; cotton. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01020naa a2200313 a 4500 001 1554934 005 2009-05-11 008 1998 bl uuuu u00u1 u #d 100 1 $aRICHETTI, A. 245 $aAspectos socioeconomicos do algodoeiro herbaceo. 260 $c1998 300 $ap.11-25. 490 $a(Embrapa Agropecuaria Oeste. Circular Técnica, 7). 520 $aPanorama internacional; Panorama nacional; Panorama em Mato Grosso do Sul; Panorama em Mato Grosso; 650 $aBrazil 650 $acotton 650 $aAlgodão 650 $aAlgodão Herbáceo 650 $aCerrado 653 $aAspecto socio-economico 653 $aAspectos economicos 653 $aBrasil 653 $aGossupium hirsutum 653 $aGrossypium herbaceum 653 $aMato Grosso 653 $aMato Grosso do Sul 653 $aSocioeconomic situation 700 1 $aMELO FILHO, G. A. de 773 $tIn: ALGODÃO: informações técnicas. Dourados: Embrapa Agropecuaria Oeste; Campina Grande: Embrapa Algodão, 1998.
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Embrapa Cerrados (CPAC) |
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Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
01/12/2023 |
Data da última atualização: |
01/12/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
MORAES, L. G.; LIMA, M. D. R.; ASSIS-PEREIRA, G.; GONÇALVES, D. de A.; VIDAURRE, G. B.; BUFALINO, L.; GUEDES, F. T. P.; TOMAZELLO-FILHO, M.; PROTÁSIO, T. de P. |
Afiliação: |
LARISSA GONÇALVES MORAES, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; MICHAEL DOUGLAS ROQUE LIMA, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; GABRIEL ASSIS-PEREIRA, UNIVERSIDADE DE SÃO PAULO; DELMAN DE ALMEIDA GONCALVES, CPATU; GRAZIELA BAPTISTA VIDAURRE, UNIVERSIDADE FEDERAL DO ESPÍRITO SANTO; LINA BUFALINO, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; FERNANDA TRISLTZ PERASSOLO GUEDES, UNIVERSIDADE DE SÃO PAULO; MÁRIO TOMAZELLO-FILHO, UNIVERSIDADE DE SÃO PAULO; THIAGO DE PAULA PROTÁSIO, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA. |
Título: |
Forking and planting spacing impacts on wood density, X‑ray density, and heartwood proportion of Tachigali vulgaris. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Trees, v. 37, p. 1567-1581, 2023. |
DOI: |
https://doi.org/10.1007/s00468-023-02443-z |
Idioma: |
Inglês |
Conteúdo: |
Promising Amazonia species for forest energy crops require further investigation into how silviculture affects wood quality. This study sought to investigate how planting spacing and stem type (forked and non-forked) affect the basic wood density, X-ray density, and heartwood development of Tachigali vulgaris in a homogeneous plantation in Amazonia. The experiment was established with initial planting spacings of 3.0 × 1.5 m, 3.0 × 2.0 m, 3.0 × 2.5 m, 3.0 × 3.0 m, 3.0 × 3.5 m, and 3.0 × 4.0 m. 102-month-old trees were harvested for the work. Disks sampled along the stem height were tested for wood basic density and density measured by X-ray densitometry (air-dry density by growth ring) analyses. Disks obtained at the 1.3 m height were photographed and submitted to image manipulation for heartwood/sapwood analysis. The lowest average wood density was 0.512 g cm−3 in the 3.0 × 1.5 m spacing, and the highest was 0.538 g cm−3 in the 3.0 × 4.0 m spacing. Among non-forked trees, 66% had medium-density (≥ 0.500 g cm−3) and 34% low-density (< 0.500 g cm−3) wood. In contrast, forked trees had only 55% of trees with medium-density wood. The X-ray density profiles reduced from 0.713 to 0.582 g cm−3 in the increasing longitudinal direction and from 0.393 to 0.973 g cm−3 in the radial direction. Forking did not influence the heartwood proportion (60.03–61.54%). The 3.0 × 3.0 m spacing favored the wood quality concerning density class and variability, while the widest spacings improved heartwood formation. The forking increases the chances of low-density wood and its variations along the stem. Thus, future genetic studies should focus on this phenomenon to increase the productivity of Tachigali vulgaris energy forests. MenosPromising Amazonia species for forest energy crops require further investigation into how silviculture affects wood quality. This study sought to investigate how planting spacing and stem type (forked and non-forked) affect the basic wood density, X-ray density, and heartwood development of Tachigali vulgaris in a homogeneous plantation in Amazonia. The experiment was established with initial planting spacings of 3.0 × 1.5 m, 3.0 × 2.0 m, 3.0 × 2.5 m, 3.0 × 3.0 m, 3.0 × 3.5 m, and 3.0 × 4.0 m. 102-month-old trees were harvested for the work. Disks sampled along the stem height were tested for wood basic density and density measured by X-ray densitometry (air-dry density by growth ring) analyses. Disks obtained at the 1.3 m height were photographed and submitted to image manipulation for heartwood/sapwood analysis. The lowest average wood density was 0.512 g cm−3 in the 3.0 × 1.5 m spacing, and the highest was 0.538 g cm−3 in the 3.0 × 4.0 m spacing. Among non-forked trees, 66% had medium-density (≥ 0.500 g cm−3) and 34% low-density (< 0.500 g cm−3) wood. In contrast, forked trees had only 55% of trees with medium-density wood. The X-ray density profiles reduced from 0.713 to 0.582 g cm−3 in the increasing longitudinal direction and from 0.393 to 0.973 g cm−3 in the radial direction. Forking did not influence the heartwood proportion (60.03–61.54%). The 3.0 × 3.0 m spacing favored the wood quality concerning density class and variability, while the widest spacings improved he... Mostrar Tudo |
Palavras-Chave: |
Energy forests; Tachigali vulgaris. |
Thesagro: |
Floresta; Madeira; Silvicultura. |
Thesaurus NAL: |
Silviculture; Wood quality. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 02733naa a2200313 a 4500 001 2159006 005 2023-12-01 008 2023 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1007/s00468-023-02443-z$2DOI 100 1 $aMORAES, L. G. 245 $aForking and planting spacing impacts on wood density, X‑ray density, and heartwood proportion of Tachigali vulgaris.$h[electronic resource] 260 $c2023 520 $aPromising Amazonia species for forest energy crops require further investigation into how silviculture affects wood quality. This study sought to investigate how planting spacing and stem type (forked and non-forked) affect the basic wood density, X-ray density, and heartwood development of Tachigali vulgaris in a homogeneous plantation in Amazonia. The experiment was established with initial planting spacings of 3.0 × 1.5 m, 3.0 × 2.0 m, 3.0 × 2.5 m, 3.0 × 3.0 m, 3.0 × 3.5 m, and 3.0 × 4.0 m. 102-month-old trees were harvested for the work. Disks sampled along the stem height were tested for wood basic density and density measured by X-ray densitometry (air-dry density by growth ring) analyses. Disks obtained at the 1.3 m height were photographed and submitted to image manipulation for heartwood/sapwood analysis. The lowest average wood density was 0.512 g cm−3 in the 3.0 × 1.5 m spacing, and the highest was 0.538 g cm−3 in the 3.0 × 4.0 m spacing. Among non-forked trees, 66% had medium-density (≥ 0.500 g cm−3) and 34% low-density (< 0.500 g cm−3) wood. In contrast, forked trees had only 55% of trees with medium-density wood. The X-ray density profiles reduced from 0.713 to 0.582 g cm−3 in the increasing longitudinal direction and from 0.393 to 0.973 g cm−3 in the radial direction. Forking did not influence the heartwood proportion (60.03–61.54%). The 3.0 × 3.0 m spacing favored the wood quality concerning density class and variability, while the widest spacings improved heartwood formation. The forking increases the chances of low-density wood and its variations along the stem. Thus, future genetic studies should focus on this phenomenon to increase the productivity of Tachigali vulgaris energy forests. 650 $aSilviculture 650 $aWood quality 650 $aFloresta 650 $aMadeira 650 $aSilvicultura 653 $aEnergy forests 653 $aTachigali vulgaris 700 1 $aLIMA, M. D. R. 700 1 $aASSIS-PEREIRA, G. 700 1 $aGONÇALVES, D. de A. 700 1 $aVIDAURRE, G. B. 700 1 $aBUFALINO, L. 700 1 $aGUEDES, F. T. P. 700 1 $aTOMAZELLO-FILHO, M. 700 1 $aPROTÁSIO, T. de P. 773 $tTrees$gv. 37, p. 1567-1581, 2023.
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