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Registro Completo
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
21/02/2018 |
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Data da última atualização: |
02/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
COELHO, D. S.; SIMOES, W. L.; SALVIANO, A. M.; MESQUITA, A. C.; ALBERTO, K. da C. |
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Afiliação: |
DANIELA S. COELHO, Instituto de Meio Ambiente e Recursos Hídricos/Unidade Regional Sertão do São Francisco. Juazeiro, BA; WELSON LIMA SIMOES, CPATSA; ALESSANDRA MONTEIRO SALVIANO, CPATSA; ALESSANDRO C. MESQUITA, Universidade do Estado da Bahia/Departamento de Tecnologia e Ciências Sociais. Juazeiro, BA; KEILA DA C. ALBERTO, UPE. |
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Título: |
Gas exchange and organic solutes in forage sorghum genotypes grown under different salinity levels. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Revista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande, v. 22, n. 4, p. 231-236, 2018. |
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ISSN: |
1807-1929 |
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DOI: |
10.1590/1807-1929/agriambi.v22n4p231-236 |
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Idioma: |
Inglês |
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Conteúdo: |
Adaptation of plants to saline environments depends on the activation of mechanisms that minimize the effects of excess ions on vital processes, such as photosynthesis. The objective of this study was to evaluate the leaf gas exchange, chlorophyll, and organic solute in ten genotypes of forage sorghum irrigated with solutions of different salinity levels. The experiment was conducted in a randomized block design, in a 10 x 6 factorial arrangement, with three replications, using ten genotypes - F305, BRS-655, BRS-610, Volumax, 1.015.045, 1.016.005, 1.016.009, 1.016.013, 1.016.015 and 1.016.031 - and six saline solutions, with electrical conductivity (ECw) of 0, 2.5, 5.0, 7.5, 10 and 12.5 dS m-1. The photosynthetic activity in forage sorghum plants reduces with increasing salinity, and this response was found in the ten genotypes evaluated. The chlorophyll and protein contents were not affected by salinity, whereas carbohydrates and amino acid contents increased with increasing EC w. Soluble sugars are essential for osmoregulation of forage sorghum due to its high content in leaves. |
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Palavras-Chave: |
Forage sorghum. |
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Thesagro: |
Clorofila; Fotossíntese; Salinidade; Sorghum Bicolor; Sorgo forrageiro. |
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Thesaurus NAL: |
Chlorophyll; Photosynthesis; Salt stress. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/1088009/1/Welson2018.pdf
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Marc: |
LEADER 02027naa a2200301 a 4500
001 2088009
005 2018-05-02
008 2018 bl uuuu u00u1 u #d
022 $a1807-1929
024 7 $a10.1590/1807-1929/agriambi.v22n4p231-236$2DOI
100 1 $aCOELHO, D. S.
245 $aGas exchange and organic solutes in forage sorghum genotypes grown under different salinity levels.$h[electronic resource]
260 $c2018
520 $aAdaptation of plants to saline environments depends on the activation of mechanisms that minimize the effects of excess ions on vital processes, such as photosynthesis. The objective of this study was to evaluate the leaf gas exchange, chlorophyll, and organic solute in ten genotypes of forage sorghum irrigated with solutions of different salinity levels. The experiment was conducted in a randomized block design, in a 10 x 6 factorial arrangement, with three replications, using ten genotypes - F305, BRS-655, BRS-610, Volumax, 1.015.045, 1.016.005, 1.016.009, 1.016.013, 1.016.015 and 1.016.031 - and six saline solutions, with electrical conductivity (ECw) of 0, 2.5, 5.0, 7.5, 10 and 12.5 dS m-1. The photosynthetic activity in forage sorghum plants reduces with increasing salinity, and this response was found in the ten genotypes evaluated. The chlorophyll and protein contents were not affected by salinity, whereas carbohydrates and amino acid contents increased with increasing EC w. Soluble sugars are essential for osmoregulation of forage sorghum due to its high content in leaves.
650 $aChlorophyll
650 $aPhotosynthesis
650 $aSalt stress
650 $aClorofila
650 $aFotossíntese
650 $aSalinidade
650 $aSorghum Bicolor
650 $aSorgo forrageiro
653 $aForage sorghum
700 1 $aSIMOES, W. L.
700 1 $aSALVIANO, A. M.
700 1 $aMESQUITA, A. C.
700 1 $aALBERTO, K. da C.
773 $tRevista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande$gv. 22, n. 4, p. 231-236, 2018.
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Embrapa Semiárido (CPATSA) |
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