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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agricultura Digital. Para informações adicionais entre em contato com cnptia.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
04/10/2011 |
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Data da última atualização: |
13/01/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
RAKOCEVIC, M.; COSTES, E.; ASSAD, E. D. |
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Afiliação: |
IAPAR; E. COSTES, INRA; EDUARDO DELGADO ASSAD, CNPTIA. |
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Título: |
Structural and physiological sexual dimorphism estimated from three-dimensional virtual trees of yerba-mate (Ilex paraguariensis) is modified by cultivation environment. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Annals of Applied Biology, Cambridge, v. 159, n. 2, p. 178-191, 2011. |
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DOI: |
10.1111/j.1744-7348.2011.00484.x |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract - Yerba-mate is a subtropical, evergreen, dioecious, South American tree. Sexual dimorphism in photosynthesis, leaf allometry and foliage distribution was hypothesised. Virtual trees (constructed in VPlants software from detailed measurements of plant morphogenesis) of the two genders were compared considering two contrasted cultivation environments and three developmental stages. The total crown volume, leaf area per plant (LA), leaf area index (LAI) and leaf area density (LAD) were calculated. The light interception and photosynthesis were computed from mock-ups in VegeSTAR. Structural sexual dimorphism concerned general plant form, internode length, leaf allometry, leaf surface, pattern of leaf area distribution and LAD. Cultivation environment and developmental stage acted strongly on sex expression of all observed structural parameters and physiological stages. Sexual differentiation in LA and light interception was related to leaves positioned in the lowest layers (150 cm above ground), whereas sexual specialisation in leaf and plant photosynthesis was related to early vegetative and reproductive stages. Several sexual responses strongly depended on the environment, especially light conditions, with opposite effects observed on female and male plants whether they were cultivated in monoculture or in forest understorey, under highlight condition or low-light condition, respectively. Optimised foliage structure and physiology in females may compensate for greater reproductive costs in early developmental stages, but females and males equalise in photosynthetic efficiency after 2-year regrowth. MenosAbstract - Yerba-mate is a subtropical, evergreen, dioecious, South American tree. Sexual dimorphism in photosynthesis, leaf allometry and foliage distribution was hypothesised. Virtual trees (constructed in VPlants software from detailed measurements of plant morphogenesis) of the two genders were compared considering two contrasted cultivation environments and three developmental stages. The total crown volume, leaf area per plant (LA), leaf area index (LAI) and leaf area density (LAD) were calculated. The light interception and photosynthesis were computed from mock-ups in VegeSTAR. Structural sexual dimorphism concerned general plant form, internode length, leaf allometry, leaf surface, pattern of leaf area distribution and LAD. Cultivation environment and developmental stage acted strongly on sex expression of all observed structural parameters and physiological stages. Sexual differentiation in LA and light interception was related to leaves positioned in the lowest layers (150 cm above ground), whereas sexual specialisation in leaf and plant photosynthesis was related to early vegetative and reproductive stages. Several sexual responses strongly depended on the environment, especially light conditions, with opposite effects observed on female and male plants whether they were cultivated in monoculture or in forest understorey, under highlight condition or low-light condition, respectively. Optimised foliage structure and physiology in females may compensate for greate... Mostrar Tudo |
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Palavras-Chave: |
Árvores virtuais; Dimorfismo sexual; Erva-mate. |
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Thesagro: |
Área Foliar; Fotossíntese; Ilex Paraguariensis. |
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Thesaurus Nal: |
Leaf area; Photosynthesis; Sexual dimorphism. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02508naa a2200265 a 4500
001 1902281
005 2020-01-13
008 2011 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1744-7348.2011.00484.x$2DOI
100 1 $aRAKOCEVIC, M.
245 $aStructural and physiological sexual dimorphism estimated from three-dimensional virtual trees of yerba-mate (Ilex paraguariensis) is modified by cultivation environment.$h[electronic resource]
260 $c2011
520 $aAbstract - Yerba-mate is a subtropical, evergreen, dioecious, South American tree. Sexual dimorphism in photosynthesis, leaf allometry and foliage distribution was hypothesised. Virtual trees (constructed in VPlants software from detailed measurements of plant morphogenesis) of the two genders were compared considering two contrasted cultivation environments and three developmental stages. The total crown volume, leaf area per plant (LA), leaf area index (LAI) and leaf area density (LAD) were calculated. The light interception and photosynthesis were computed from mock-ups in VegeSTAR. Structural sexual dimorphism concerned general plant form, internode length, leaf allometry, leaf surface, pattern of leaf area distribution and LAD. Cultivation environment and developmental stage acted strongly on sex expression of all observed structural parameters and physiological stages. Sexual differentiation in LA and light interception was related to leaves positioned in the lowest layers (150 cm above ground), whereas sexual specialisation in leaf and plant photosynthesis was related to early vegetative and reproductive stages. Several sexual responses strongly depended on the environment, especially light conditions, with opposite effects observed on female and male plants whether they were cultivated in monoculture or in forest understorey, under highlight condition or low-light condition, respectively. Optimised foliage structure and physiology in females may compensate for greater reproductive costs in early developmental stages, but females and males equalise in photosynthetic efficiency after 2-year regrowth.
650 $aLeaf area
650 $aPhotosynthesis
650 $aSexual dimorphism
650 $aÁrea Foliar
650 $aFotossíntese
650 $aIlex Paraguariensis
653 $aÁrvores virtuais
653 $aDimorfismo sexual
653 $aErva-mate
700 1 $aCOSTES, E.
700 1 $aASSAD, E. D.
773 $tAnnals of Applied Biology, Cambridge$gv. 159, n. 2, p. 178-191, 2011.
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Registro original: |
Embrapa Agricultura Digital (CNPTIA) |
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URL |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Hortaliças. Para informações adicionais entre em contato com cnph.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
12/01/1993 |
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Data da última atualização: |
16/04/1997 |
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Autoria: |
MAGALHAES, J. R. |
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Afiliação: |
EMBRAPA-CNPH, Brasilia, DF. |
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Título: |
Nutricao e adubacao da batata. |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
Sao Paulo: Nobel, 1985. |
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Páginas: |
51p. |
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Idioma: |
Português |
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Conteúdo: |
Extracao e exportacao de nutrientes; Diagnose foliar; Periodos de exigencia; Localizacao; Tipos de solo; Correcao do solo e pH; Materia organica; Funcao e sintomas de deficiencias dos nutrientes; Efeitos dos nutrientes na qualidade; Recomendacoes gerais de adubacao. |
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Palavras-Chave: |
Fertilizer; Plant; Potato. |
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Thesagro: |
Adubação; Batata; Fertilizante; Nutrição; Planta; Solanum Tuberosum. |
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Thesaurus NAL: |
nutrition. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00806nam a2200241 a 4500
001 1757159
005 1997-04-16
008 1985 bl uuuu 00u1 u #d
100 1 $aMAGALHAES, J. R.
245 $aNutricao e adubacao da batata.
260 $aSao Paulo: Nobel$c1985
300 $a51p.
520 $aExtracao e exportacao de nutrientes; Diagnose foliar; Periodos de exigencia; Localizacao; Tipos de solo; Correcao do solo e pH; Materia organica; Funcao e sintomas de deficiencias dos nutrientes; Efeitos dos nutrientes na qualidade; Recomendacoes gerais de adubacao.
650 $anutrition
650 $aAdubação
650 $aBatata
650 $aFertilizante
650 $aNutrição
650 $aPlanta
650 $aSolanum Tuberosum
653 $aFertilizer
653 $aPlant
653 $aPotato
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