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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
17/01/1997 |
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Data da última atualização: |
10/02/2020 |
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Autoria: |
ALMEIDA, A.-A. F. de; VALLE, R. R. |
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Afiliação: |
ALEX-ALAN F. DE ALMEIDA, CEPLAC/CEPEC/SEFIS; RAÚL RENÉ VALLE, CEPLAC/CEPEC/SEFIS. |
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Título: |
Análise de crescimento do fruto e das sementes de sete genótipos de Theobroma Cacao L. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 30, n. 7, p. 909-916, jul. 1995. |
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Idioma: |
Português |
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Notas: |
Título em inglês: Growth analysis of pods and seeds of seven genotypes of Theobroma Cacao L. |
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Conteúdo: |
O crescimento do fruto e das sementes dos clones de cacau (Theobroma cacao L.) SIAL-169, SIAL-505, SIC-23, SIC-328, ICS-1, ICS-8 e o da cultivar Catongo foram estudados em condicoes de campo, no Centro de Pesquisa do Cacau - CEPEC -, Ilheus, BA, a fim de se determinar as variacoes nas taxas de acumulo de materia seca. Dez a quinze plantas adultas dos diversos genotipos foram polinizadas manualmente, com o objetivo de se manter uma carga media de 20 frutos por planta. Durante a ontogenese do fruto, amostragens foram realizadas a intervalos regulares, perfazendo um total de quatorze coeltas nos 202 dias de duracao do experimento. A primeira coleta foi realizada 35 dias apos a polinizacao. Verificou-se, no final do periodo de desenvolvimento dos frutos que osclones ICS-8 e ICS-1 apresentaram maiores acumulos de materia seca total e taxas de crescimento do fruto. Os clones SIC-23 e SIC-328 tiveram os menores valores desses parametros. Houve variacao na amplitude e na altura de curva das taxas de acumulo de materia seca total do fruto e das sementes dos diversos genotipos. A altura e a amplitude maximas foram maiores no ICS-8 e no ICS-1 e menores no SIC-328. O maior incremento de materia seca no fruto e nas sementes desses genotipos foi atribuido a uma taxa maior de acumulo e a um periodo de enchimento mais prolongado. |
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Palavras-Chave: |
Dry matter; Frutos; Growth rates; Sementes. |
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Thesagro: |
Cação; Cacau; Matéria Seca; Taxa de Crescimento. |
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Thesaurus Nal: |
clones; pods; seeds. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/19448/1/pab95_03_jul.pdf
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Marc: |
LEADER 02161naa a2200277 a 4500
001 1104250
005 2020-02-10
008 1995 bl uuuu u00u1 u #d
100 1 $aALMEIDA, A.-A. F. de
245 $aAnálise de crescimento do fruto e das sementes de sete genótipos de Theobroma Cacao L.
260 $c1995
500 $aTítulo em inglês: Growth analysis of pods and seeds of seven genotypes of Theobroma Cacao L.
520 $aO crescimento do fruto e das sementes dos clones de cacau (Theobroma cacao L.) SIAL-169, SIAL-505, SIC-23, SIC-328, ICS-1, ICS-8 e o da cultivar Catongo foram estudados em condicoes de campo, no Centro de Pesquisa do Cacau - CEPEC -, Ilheus, BA, a fim de se determinar as variacoes nas taxas de acumulo de materia seca. Dez a quinze plantas adultas dos diversos genotipos foram polinizadas manualmente, com o objetivo de se manter uma carga media de 20 frutos por planta. Durante a ontogenese do fruto, amostragens foram realizadas a intervalos regulares, perfazendo um total de quatorze coeltas nos 202 dias de duracao do experimento. A primeira coleta foi realizada 35 dias apos a polinizacao. Verificou-se, no final do periodo de desenvolvimento dos frutos que osclones ICS-8 e ICS-1 apresentaram maiores acumulos de materia seca total e taxas de crescimento do fruto. Os clones SIC-23 e SIC-328 tiveram os menores valores desses parametros. Houve variacao na amplitude e na altura de curva das taxas de acumulo de materia seca total do fruto e das sementes dos diversos genotipos. A altura e a amplitude maximas foram maiores no ICS-8 e no ICS-1 e menores no SIC-328. O maior incremento de materia seca no fruto e nas sementes desses genotipos foi atribuido a uma taxa maior de acumulo e a um periodo de enchimento mais prolongado.
650 $aclones
650 $apods
650 $aseeds
650 $aCação
650 $aCacau
650 $aMatéria Seca
650 $aTaxa de Crescimento
653 $aDry matter
653 $aFrutos
653 $aGrowth rates
653 $aSementes
700 1 $aVALLE, R. R.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 30, n. 7, p. 909-916, jul. 1995.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
05/09/2022 |
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Data da última atualização: |
05/09/2022 |
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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: |
DAMBROS, J. I.; STORCH, T. T.; PEGORARO, C.; CRIZEL, G. R.; GONÇALVES, B. X.; QUECINI, V.; FIALHO, F. B.; ROMBALDI, C. V.; GIRARDI, C. L. |
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Afiliação: |
JULIELE ILONE DAMBROS, CNPUV; TATIANE TIMM STORCH, INSTITUTO FEDERAL DE EDUCAÇÃO CIÊNCIA E TECNOLOGIA; CAMILA PEGORARO, UNIVERSIDADE FEDERAL DE PELOTAS; GISELI RODRIGUES CRIZEL, UNIVERSIDADE FEDERAL DE PELOTAS; BRENO XAVIER GONÇALVES, UNIVERSIDADE FEDERAL DE PELOTAS; VERA MARIA QUECINI, CNPUV; FLAVIO BELLO FIALHO, CNPUV; CESAR VALMOR ROMBALDI, UNIVERSIDADE FEDERAL DE PELOTAS; CESAR LUIS GIRARDI, CNPUV. |
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Título: |
Physicochemical properties and transcriptional changes underlying the quality of ?Gala? apples (Malus × domestica Borkh.) under atmosphere manipulation in long-term storage. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Journal of the Science of Food and Agriculture, online Aug. 2022. |
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DOI: |
10.1002/jsfa.12169 |
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Idioma: |
Português |
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Conteúdo: |
BACKGROUND: The year-round availability of apples (Malus × domestica Borkh.) depends on post-harvest technologies, which are essential for the retention of fruit sensory and chemical properties by delaying senescence. The effectiveness of strategies for preserving the quality of apples depends on complex interactions between the storage environment and endogenous biological factors. In the current work, we integrated instrumental, sensory, and transcriptional data to determine the role of conservation technologies cold storage, controlled atmosphere, and 1-methylcyclopropene-mediated ethylene blockage on the long-term conservation of apples. RESULTS: The results demonstrated that inhibition of the consumer's perception of the apples? ethylene content is essential for long-term cold storage, and such quality conservation can be achieved by reducing oxygen pressure. Overall appreciation of apples after storage was determined mainly by their texture, with crispness and juiciness contributing favorably, and mealiness contributing negatively. Reduced oxygen pressure and inhibition of ethylene perception exerted distinct effects on the transcription of candidate genes associated with ripening in apple. Hexose and cell-wall carbohydrate metabolism genes exhibit distinct expression patterns under storage. CONCLUSION: Inhibition of ethylene perception and reduction of relative oxygen pressure under cold storage both promote similar conservation of apple sensory traits under long-term cold storage. Texture was the main contributor to global appreciation of apples subjected to long-term storage. The conditions that were investigated were able to delay, but not fully prevent, senescence, as evidenced by physicochemical and gene expression analyses. The expression of gene-encoding enzymes involved in hexose metabolism was mainly developmentally regulated, whereas storage conditions exerted a stronger effect on the expression of genes associated with cell-wall metabolism. MenosBACKGROUND: The year-round availability of apples (Malus × domestica Borkh.) depends on post-harvest technologies, which are essential for the retention of fruit sensory and chemical properties by delaying senescence. The effectiveness of strategies for preserving the quality of apples depends on complex interactions between the storage environment and endogenous biological factors. In the current work, we integrated instrumental, sensory, and transcriptional data to determine the role of conservation technologies cold storage, controlled atmosphere, and 1-methylcyclopropene-mediated ethylene blockage on the long-term conservation of apples. RESULTS: The results demonstrated that inhibition of the consumer's perception of the apples? ethylene content is essential for long-term cold storage, and such quality conservation can be achieved by reducing oxygen pressure. Overall appreciation of apples after storage was determined mainly by their texture, with crispness and juiciness contributing favorably, and mealiness contributing negatively. Reduced oxygen pressure and inhibition of ethylene perception exerted distinct effects on the transcription of candidate genes associated with ripening in apple. Hexose and cell-wall carbohydrate metabolism genes exhibit distinct expression patterns under storage. CONCLUSION: Inhibition of ethylene perception and reduction of relative oxygen pressure under cold storage both promote similar conservation of apple sensory traits under long-term... Mostrar Tudo |
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Palavras-Chave: |
Controlled atmosphere. |
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Thesaurus NAL: |
1-methylcyclopropene; Controlled atmosphere storage; Fruit quality; Gene expression; Multivariate analysis. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1146139/1/JSciFoodAgric-2022-Dambros.pdf
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Marc: |
LEADER 02985naa a2200301 a 4500
001 2146139
005 2022-09-05
008 2022 bl uuuu u00u1 u #d
024 7 $a10.1002/jsfa.12169$2DOI
100 1 $aDAMBROS, J. I.
245 $aPhysicochemical properties and transcriptional changes underlying the quality of ?Gala? apples (Malus × domestica Borkh.) under atmosphere manipulation in long-term storage.$h[electronic resource]
260 $c2022
520 $aBACKGROUND: The year-round availability of apples (Malus × domestica Borkh.) depends on post-harvest technologies, which are essential for the retention of fruit sensory and chemical properties by delaying senescence. The effectiveness of strategies for preserving the quality of apples depends on complex interactions between the storage environment and endogenous biological factors. In the current work, we integrated instrumental, sensory, and transcriptional data to determine the role of conservation technologies cold storage, controlled atmosphere, and 1-methylcyclopropene-mediated ethylene blockage on the long-term conservation of apples. RESULTS: The results demonstrated that inhibition of the consumer's perception of the apples? ethylene content is essential for long-term cold storage, and such quality conservation can be achieved by reducing oxygen pressure. Overall appreciation of apples after storage was determined mainly by their texture, with crispness and juiciness contributing favorably, and mealiness contributing negatively. Reduced oxygen pressure and inhibition of ethylene perception exerted distinct effects on the transcription of candidate genes associated with ripening in apple. Hexose and cell-wall carbohydrate metabolism genes exhibit distinct expression patterns under storage. CONCLUSION: Inhibition of ethylene perception and reduction of relative oxygen pressure under cold storage both promote similar conservation of apple sensory traits under long-term cold storage. Texture was the main contributor to global appreciation of apples subjected to long-term storage. The conditions that were investigated were able to delay, but not fully prevent, senescence, as evidenced by physicochemical and gene expression analyses. The expression of gene-encoding enzymes involved in hexose metabolism was mainly developmentally regulated, whereas storage conditions exerted a stronger effect on the expression of genes associated with cell-wall metabolism.
650 $a1-methylcyclopropene
650 $aControlled atmosphere storage
650 $aFruit quality
650 $aGene expression
650 $aMultivariate analysis
653 $aControlled atmosphere
700 1 $aSTORCH, T. T.
700 1 $aPEGORARO, C.
700 1 $aCRIZEL, G. R.
700 1 $aGONÇALVES, B. X.
700 1 $aQUECINI, V.
700 1 $aFIALHO, F. B.
700 1 $aROMBALDI, C. V.
700 1 $aGIRARDI, C. L.
773 $tJournal of the Science of Food and Agriculture, online Aug. 2022.
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Embrapa Uva e Vinho (CNPUV) |
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