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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
10/04/2014 |
Data da última atualização: |
23/09/2023 |
Autoria: |
EASTIN, J. D.; HASKINS, F. A.; SULLIVAN, C. Y.; BAVEL, C. H. M. van. |
Título: |
Physiological aspects of crop yield. |
Ano de publicação: |
1969 |
Fonte/Imprenta: |
Madison: American Society of Agronomy, 1969 |
Páginas: |
396 p. |
Descrição Física: |
il. |
Idioma: |
Inglês |
Notas: |
Proceedings of a Symposium held at the University of Nebraska, Lincoln, 20-24 Jan., 1969. |
Conteúdo: |
Systems analysis of natural resources and crop production. Engineering for higher yields. Productivity and the morphology of crop stands: patterns with leaves. Physiological significance of internal water relations to crop yield. Light interception and radiative exchange in crop stands. Gaseous exchange in crop stands. Mechanisms of translocation of plant metabolites. Metabolic sinks. Interrelationships among photosyntesis, respiration, and movement of carbon in developing crops. Mechanisms of carbon fixation and associated physiological responses. Physiological responses to nitrogen in plants. Plant morphology and stand geometry in relation to nitrogen. Development, differentiation, and yield. Cultural manipulation for higher yields. Environmental manipulation for higher yields. Germ plasm manipulation of the future. |
Palavras-Chave: |
Lincoln; Plant; Production. |
Thesagro: |
Colheita; Fisiologia; Fotossíntese; Germoplasma; Planta; Recurso Natural; Rendimento. |
Thesaurus Nal: |
Nebraska; physiology. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 01662nam a2200313 a 4500 001 1984405 005 2023-09-23 008 1969 bl uuuu 00u1 u #d 100 1 $aEASTIN, J. D. 245 $aPhysiological aspects of crop yield. 260 $aMadison: American Society of Agronomy$c1969 300 $a396 p.$cil. 500 $aProceedings of a Symposium held at the University of Nebraska, Lincoln, 20-24 Jan., 1969. 520 $aSystems analysis of natural resources and crop production. Engineering for higher yields. Productivity and the morphology of crop stands: patterns with leaves. Physiological significance of internal water relations to crop yield. Light interception and radiative exchange in crop stands. Gaseous exchange in crop stands. Mechanisms of translocation of plant metabolites. Metabolic sinks. Interrelationships among photosyntesis, respiration, and movement of carbon in developing crops. Mechanisms of carbon fixation and associated physiological responses. Physiological responses to nitrogen in plants. Plant morphology and stand geometry in relation to nitrogen. Development, differentiation, and yield. Cultural manipulation for higher yields. Environmental manipulation for higher yields. Germ plasm manipulation of the future. 650 $aNebraska 650 $aphysiology 650 $aColheita 650 $aFisiologia 650 $aFotossíntese 650 $aGermoplasma 650 $aPlanta 650 $aRecurso Natural 650 $aRendimento 653 $aLincoln 653 $aPlant 653 $aProduction 700 1 $aHASKINS, F. A. 700 1 $aSULLIVAN, C. Y. 700 1 $aBAVEL, C. H. M. van.
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Embrapa Gado de Leite (CNPGL) |
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Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
03/07/2023 |
Data da última atualização: |
03/07/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
VIEIRA, D. A.; MESQUITA, A. C.; MARINHO, L. B.; SOUZA, V. de; AIDAR, S. de T.; CARVALHO, M. M. P. |
Afiliação: |
DANIEL AMORIM VIEIRA, Departamento de Tecnologia e Ciências Sociais/Universidade do Estado da Bahia; ALESSANDRO CARLOS MESQUITA, Departamento de Tecnologia e Ciências Sociais/Universidade do Estado da Bahia; LÍGIA BORGES MARINHO, Departamento de Tecnologia e Ciências Sociais/Universidade do Estado da Bahia; VANUZA DE SOUZA, Departamento de Tecnologia e Ciências Sociais/Universidade do Estado da Bahia; SAULO DE TARSO AIDAR, CPATSA; MARÍLIA MICKAELE PINHEIRO CARVALHO, Departamento de Tecnologia e Ciências Sociais/Universidade do Estado da Bahia. |
Título: |
Gas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Acta Scientiarum. Agronomy, v. 41, e42686, 2019. |
ISSN: |
1807-8621 |
DOI: |
10.4025/actasciagron.v41i1. 42686 |
Idioma: |
Inglês |
Conteúdo: |
The current scenario of increased water scarcity is due to climate change and directly affects food production. It is thus necessary to develop strategies to mitigate the impacts of low water availability. Therefore, the goal of the present study is to evaluate the physiological behaviour of melon cultivars under water stress. The experiment was conducted in a protected environment in the experimental Submedium region of the São Francisco River Valley in the period ranging from October to December. In this study, we used the melon cultivars 'Amarelo' and 'Piel de Sapo'. The experiment was conducted in a randomized block design with three replicates that were subdivided into plots, where the plots were comprised of four irrigation rates (50, 75, 100, and 125% of crop vapotranspiration ? CET), subplots were comprised of the two melon cultivars, and sub-subplots were comprised of samplings for physiological analyses (15, 30, and 45 days after transplanting). The parameters evaluated were stomatal conductance, transpiration, net photosynthesis, relationship CI/CA, and accumulated dry matter. Water stress reduced the stomatal conductance, transpiration, net photosynthesis, CI/CA, and accumulated dry matter. 'Piel de Sapo' showed a higher photosynthetic adjustment than 'Amarelo' melon due to the gas exchange behaviour of the former, and it was, therefore, more tolerant to water stress. |
Palavras-Chave: |
Estresse hídrico; Trocas gasosa; Vale do São Francisco. |
Thesagro: |
Cucumis Melo; Matéria Seca; Melão. |
Thesaurus NAL: |
Dry matter content. |
Categoria do assunto: |
A Sistemas de Cultivo |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1154757/1/Gas-exchanges-of-melon-under-water-stress-in-the-Submedium-region-of-the-Sao-Francisco-River-Valley-2019.pdf
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Marc: |
LEADER 02259naa a2200289 a 4500 001 2154757 005 2023-07-03 008 2019 bl uuuu u00u1 u #d 022 $a1807-8621 024 7 $a10.4025/actasciagron.v41i1. 42686$2DOI 100 1 $aVIEIRA, D. A. 245 $aGas exchanges of melon under water stress in the Submedium region of the São Francisco River Valley.$h[electronic resource] 260 $c2019 520 $aThe current scenario of increased water scarcity is due to climate change and directly affects food production. It is thus necessary to develop strategies to mitigate the impacts of low water availability. Therefore, the goal of the present study is to evaluate the physiological behaviour of melon cultivars under water stress. The experiment was conducted in a protected environment in the experimental Submedium region of the São Francisco River Valley in the period ranging from October to December. In this study, we used the melon cultivars 'Amarelo' and 'Piel de Sapo'. The experiment was conducted in a randomized block design with three replicates that were subdivided into plots, where the plots were comprised of four irrigation rates (50, 75, 100, and 125% of crop vapotranspiration ? CET), subplots were comprised of the two melon cultivars, and sub-subplots were comprised of samplings for physiological analyses (15, 30, and 45 days after transplanting). The parameters evaluated were stomatal conductance, transpiration, net photosynthesis, relationship CI/CA, and accumulated dry matter. Water stress reduced the stomatal conductance, transpiration, net photosynthesis, CI/CA, and accumulated dry matter. 'Piel de Sapo' showed a higher photosynthetic adjustment than 'Amarelo' melon due to the gas exchange behaviour of the former, and it was, therefore, more tolerant to water stress. 650 $aDry matter content 650 $aCucumis Melo 650 $aMatéria Seca 650 $aMelão 653 $aEstresse hídrico 653 $aTrocas gasosa 653 $aVale do São Francisco 700 1 $aMESQUITA, A. C. 700 1 $aMARINHO, L. B. 700 1 $aSOUZA, V. de 700 1 $aAIDAR, S. de T. 700 1 $aCARVALHO, M. M. P. 773 $tActa Scientiarum. Agronomy$gv. 41, e42686, 2019.
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