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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
22/12/2022 |
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Data da última atualização: |
07/07/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
AGUIAR, N. S. de; GABIRA, M. M.; TOMASI, J. de C.; DUARTE, M. M.; VIEIRA, L. M.; LAVORANTI, O. J.; WENDLING, I. |
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Afiliação: |
NATÁLIA SAUDADE DE AGUIAR, UNIVERSIDADE FEDERAL DO PARANÁ; MÔNICA MORENO GABIRA, UNIVERSIDADE FEDERAL DO PARANA; JÉSSICA DE CÁSSIA TOMASI, UNIVERSIDADE FEDERAL DO PARANA; MANOELA MENDES DUARTE, UNIVERSIDADE FEDERAL DO PARANÁ; LEANDRO MARCOLINO VIEIRA, UNIVERSIDADE FEDERAL DO PARANÁ; OSMIR JOSE LAVORANTI, CNPF; IVAR WENDLING, CNPF. |
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Título: |
Productivity of clonal Ilex paraguariensis genotypes in a semi-hydroponic system Is reduced by shading. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Forest Science, v. 68, n. 5-6, p. 540?547, Oct./Dec. 2022. |
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DOI: |
https://doi.org/10.1093/forsci/fxac028 |
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Idioma: |
Inglês |
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Conteúdo: |
Yerba mate (Ilex paraguariensis A. St.-Hil.) is a South American tree cultivated in systems with or without shading at different intensities; how- ever, there is no consensus about shading effect on leaf biomass production. Therefore, we evaluated yerba mate clones under different shading levels over one year to determine the infuence of shading and genotype on biomass production. Two yerba mate genotypes (EC22 and EC40), cultivated in a semi-hydroponic system, were subjected to fve shading levels (0%, 40%, 51%, 76%, and 82%) in a greenhouse. We determined total fresh biomass (branches and leaves) and fresh biomass of young and mature leaves on six harvests. Biomass production was infuenced by harvest season, genotype, and shading levels. Spring and summer harvests provided higher biomass production than the other seasons. EC40 genotype produced higher total fresh and young leaf biomass than EC22. Although we observed differences among genotypes and harvest seasons, shading was the factor that most infuenced biomass production. Total fresh biomass productivity was reduced 6.8 times between 0% and 82% shading for the EC40 genotype. Thus, we do not recommend high levels of shade, such as 76% and 82%, in this new yerba mate cultivation system. |
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Palavras-Chave: |
Erva-mate. |
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Thesagro: |
Ilex Paraguariensis; Silvicultura; Sistema de Produção. |
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Thesaurus Nal: |
Biomass; Yerba mate. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02096naa a2200277 a 4500
001 2150245
005 2023-07-07
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1093/forsci/fxac028$2DOI
100 1 $aAGUIAR, N. S. de
245 $aProductivity of clonal Ilex paraguariensis genotypes in a semi-hydroponic system Is reduced by shading.$h[electronic resource]
260 $c2022
520 $aYerba mate (Ilex paraguariensis A. St.-Hil.) is a South American tree cultivated in systems with or without shading at different intensities; how- ever, there is no consensus about shading effect on leaf biomass production. Therefore, we evaluated yerba mate clones under different shading levels over one year to determine the infuence of shading and genotype on biomass production. Two yerba mate genotypes (EC22 and EC40), cultivated in a semi-hydroponic system, were subjected to fve shading levels (0%, 40%, 51%, 76%, and 82%) in a greenhouse. We determined total fresh biomass (branches and leaves) and fresh biomass of young and mature leaves on six harvests. Biomass production was infuenced by harvest season, genotype, and shading levels. Spring and summer harvests provided higher biomass production than the other seasons. EC40 genotype produced higher total fresh and young leaf biomass than EC22. Although we observed differences among genotypes and harvest seasons, shading was the factor that most infuenced biomass production. Total fresh biomass productivity was reduced 6.8 times between 0% and 82% shading for the EC40 genotype. Thus, we do not recommend high levels of shade, such as 76% and 82%, in this new yerba mate cultivation system.
650 $aBiomass
650 $aYerba mate
650 $aIlex Paraguariensis
650 $aSilvicultura
650 $aSistema de Produção
653 $aErva-mate
700 1 $aGABIRA, M. M.
700 1 $aTOMASI, J. de C.
700 1 $aDUARTE, M. M.
700 1 $aVIEIRA, L. M.
700 1 $aLAVORANTI, O. J.
700 1 $aWENDLING, I.
773 $tForest Science$gv. 68, n. 5-6, p. 540?547, Oct./Dec. 2022.
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