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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
21/09/2010 |
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Data da última atualização: |
23/05/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
BUENO, A. C. R.; DOMENICO, C. I.; FREITAS, R. A. de; JUSTINO, E. V.; NASCIMENTO, W. M. |
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Afiliação: |
RAQUEL ALVES DE FREITAS, CNPH; WARLEY MARCOS NASCIMENTO, CNPH. |
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Título: |
Envelhecimento acelerado e deterioração controlada para avaliação do vigor de sementes de lentilha. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Horticultura Brasileira, Brasília, DF, v. 28, n. 2, p. S4262-S4268, jul. 2010. |
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Descrição Física: |
CD-ROM. |
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Idioma: |
Português |
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Notas: |
Suplemento. Trabalho apresentado no Congresso Brasileiro de Olericultura, 50., 2010, Guarapari. Cinquenta anos contribuindo para a saúde da população brasileira. Trabalho A2754-T4555. |
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Palavras-Chave: |
Análise fisiológica; Cultivar Silvina; Teste de envelhecimento acelerado. |
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Thesagro: |
Deterioração; Lens Culinaris; Lentilha; Qualidade; Semente. |
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Thesaurus Nal: |
vigor. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/177570/1/A2754-T4555-Comp.pdf
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Marc: |
LEADER 01037nam a2200277 a 4500
001 1862599
005 2018-05-23
008 2010 bl uuuu u00u1 u #d
100 1 $aBUENO, A. C. R.
245 $aEnvelhecimento acelerado e deterioração controlada para avaliação do vigor de sementes de lentilha.$h[electronic resource]
260 $aHorticultura Brasileira, Brasília, DF, v. 28, n. 2, p. S4262-S4268, jul. 2010.$c2010
300 $cCD-ROM.
500 $aSuplemento. Trabalho apresentado no Congresso Brasileiro de Olericultura, 50., 2010, Guarapari. Cinquenta anos contribuindo para a saúde da população brasileira. Trabalho A2754-T4555.
650 $avigor
650 $aDeterioração
650 $aLens Culinaris
650 $aLentilha
650 $aQualidade
650 $aSemente
653 $aAnálise fisiológica
653 $aCultivar Silvina
653 $aTeste de envelhecimento acelerado
700 1 $aDOMENICO, C. I.
700 1 $aFREITAS, R. A. de
700 1 $aJUSTINO, E. V.
700 1 $aNASCIMENTO, W. M.
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Registro original: |
Embrapa Hortaliças (CNPH) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sul. Para informações adicionais entre em contato com cppsul.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sul. |
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Data corrente: |
02/12/2022 |
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Data da última atualização: |
02/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
KRAHL, G.; BALDISSERA, T. C.; PINTO, C. E.; GARAGORRY, F. C.; WERNER, S. S.; LOPES, C. F.; RIBEIRO FILHO, H. M. N. |
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Afiliação: |
GUSTAVO KRAHL, University of the West of Santa Catarina; TIAGO CELSO BALDISSERA, Epagri - Company of Agricultural Research and Rural Extension of Santa Catarina; CASSIANO EDUARDO PINTO, Epagri - Company of Agricultural Research and Rural Extension of Santa Catarina; FABIO CERVO GARAGORRY, CPPSUL; SIMONE SILMARA WERNER, Epagri - Company of Agricultural Research and Rural Extension of Santa Catarina; CÁSSIO FELIPE LOPES, Santa Catarina State University; HENRIQUE MENDONÇA NUNES RIBEIRO FILHO, Santa Catarina State University. |
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Título: |
Can pasture defoliation management targets be similar under full sun and shaded conditions? |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Crop & Pasture Science, 21592, 31 Aug. 2022. |
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Idioma: |
Inglês |
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Notas: |
Online early. |
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Conteúdo: |
Abstract Context: Defoliation management targets applied to forages under the full sun have not yet been properly evaluated for shaded environments such as occur in integrated crop?livestock systems with the presence of trees. Aims: This study aimed to determine defoliation targets under full sun and shaded environments for the shade-tolerant perennial summer grass hybrid Axonopus catharinensis (giant missionary grass), widely used in pasture systems of South Brazil and Argentina. Methods: Four pre-defoliation canopy heights (15, 25, 35 and 45 cm) and four defoliation severities (20%, 40%, 60% and 80% reduction in pre-defoliation canopy height) were evaluated. Plants were grown in 0.15 m3 wooden boxes filled with sand/vermiculite substrate (1:1 v/v) and irrigated with a complete nutrient solution. An artificial shade structure was made with wooden slats, reducing light intensity by 50% for shaded plants. Key results: Herbage accumulation decreased by 54% in shaded plants compared with those under full sun. Regardless of the light environment, the lowest crude protein content (<150 g/kg dry matter) and the highest neutral detergent fibre content (>650 g/kg dry matter) were observed when the defoliation target height was >35 cm. Both shaded and full sun environments showed decreases in tiller density when defoliation severity was >60% of pre-defoliation canopy heights. Conclusions: Pre-defoliation canopy heights >35 cm and defoliation severity >60% of pre-defoliation canopy height should be avoided when managing A. catharinensis, regardless of the light environment. Implications: Recommended targets may be easily implemented by livestock producers and are similar for full sun and shade environments. Keywords: Axonopus catharinensis Valls, canopy height, defoliation severity, defoliation target, herbage accumulation, integrated crop-livestock systems, tiller density. MenosAbstract Context: Defoliation management targets applied to forages under the full sun have not yet been properly evaluated for shaded environments such as occur in integrated crop?livestock systems with the presence of trees. Aims: This study aimed to determine defoliation targets under full sun and shaded environments for the shade-tolerant perennial summer grass hybrid Axonopus catharinensis (giant missionary grass), widely used in pasture systems of South Brazil and Argentina. Methods: Four pre-defoliation canopy heights (15, 25, 35 and 45 cm) and four defoliation severities (20%, 40%, 60% and 80% reduction in pre-defoliation canopy height) were evaluated. Plants were grown in 0.15 m3 wooden boxes filled with sand/vermiculite substrate (1:1 v/v) and irrigated with a complete nutrient solution. An artificial shade structure was made with wooden slats, reducing light intensity by 50% for shaded plants. Key results: Herbage accumulation decreased by 54% in shaded plants compared with those under full sun. Regardless of the light environment, the lowest crude protein content (<150 g/kg dry matter) and the highest neutral detergent fibre content (>650 g/kg dry matter) were observed when the defoliation target height was >35 cm. Both shaded and full sun environments showed decreases in tiller density when defoliation severity was >60% of pre-defoliation canopy heights. Conclusions: Pre-defoliation canopy heights >35 cm and defoliation severity >60% of pre-defoliation ca... Mostrar Tudo |
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Thesagro: |
Altura; Desfolha; Integração; Pastagem. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02620naa a2200253 a 4500
001 2149158
005 2022-12-02
008 2022 bl uuuu u00u1 u #d
100 1 $aKRAHL, G.
245 $aCan pasture defoliation management targets be similar under full sun and shaded conditions?$h[electronic resource]
260 $c2022
500 $aOnline early.
520 $aAbstract Context: Defoliation management targets applied to forages under the full sun have not yet been properly evaluated for shaded environments such as occur in integrated crop?livestock systems with the presence of trees. Aims: This study aimed to determine defoliation targets under full sun and shaded environments for the shade-tolerant perennial summer grass hybrid Axonopus catharinensis (giant missionary grass), widely used in pasture systems of South Brazil and Argentina. Methods: Four pre-defoliation canopy heights (15, 25, 35 and 45 cm) and four defoliation severities (20%, 40%, 60% and 80% reduction in pre-defoliation canopy height) were evaluated. Plants were grown in 0.15 m3 wooden boxes filled with sand/vermiculite substrate (1:1 v/v) and irrigated with a complete nutrient solution. An artificial shade structure was made with wooden slats, reducing light intensity by 50% for shaded plants. Key results: Herbage accumulation decreased by 54% in shaded plants compared with those under full sun. Regardless of the light environment, the lowest crude protein content (<150 g/kg dry matter) and the highest neutral detergent fibre content (>650 g/kg dry matter) were observed when the defoliation target height was >35 cm. Both shaded and full sun environments showed decreases in tiller density when defoliation severity was >60% of pre-defoliation canopy heights. Conclusions: Pre-defoliation canopy heights >35 cm and defoliation severity >60% of pre-defoliation canopy height should be avoided when managing A. catharinensis, regardless of the light environment. Implications: Recommended targets may be easily implemented by livestock producers and are similar for full sun and shade environments. Keywords: Axonopus catharinensis Valls, canopy height, defoliation severity, defoliation target, herbage accumulation, integrated crop-livestock systems, tiller density.
650 $aAltura
650 $aDesfolha
650 $aIntegração
650 $aPastagem
700 1 $aBALDISSERA, T. C.
700 1 $aPINTO, C. E.
700 1 $aGARAGORRY, F. C.
700 1 $aWERNER, S. S.
700 1 $aLOPES, C. F.
700 1 $aRIBEIRO FILHO, H. M. N.
773 $tCrop & Pasture Science, 21592, 31 Aug. 2022.
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