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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
11/05/2020 |
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Data da última atualização: |
15/07/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LIMA, L. K. da S.; JESUS, O. N. de; SOARES, T. L.; SANTOS, I. S. dos; OLIVEIRA, E. J. de; COELHO FILHO, M. A. |
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Afiliação: |
LUCAS KENNEDY DA SILVA LIMA; ONILDO NUNES DE JESUS, CNPMF; TALIANE LEILA SOARES; IDALIA SOUZA DOS SANTOS; EDER JORGE DE OLIVEIRA, CNPMF; MAURICIO ANTONIO COELHO FILHO, CNPMF. |
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Título: |
Growth, physiological, anatomical and nutritional responses of two phenotypically distinct passion fruit species (Passiflora L.) and their hybrid under saline conditions. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Scientia Horticulturae, v. 263, 2020. |
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ISSN: |
0304-4238 |
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Idioma: |
Inglês |
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Conteúdo: |
Passion fruit is one of the main crops produced in the irrigated areas of Northeastern Brazil. However, soil salinization in this region has limited its productivity. This work aimed to compare the effects of saline stress on three populations of passion fruit (Passiflora edulis Sims, P. mucronata Lam. and the interspecific hybrid P. edulis x P. mucronata) using physiological, anatomical, nutritional, agronomic traits and application of near-infrared spectroscopy (NIRS). Plants were grown on sterile washed sand and irrigated with a nutrient solution with or without NaCl (0 or 150 mM) in a completely randomized design with eight replicates. Most of the physiological traits, such as transpiration, stomatal conductance, net photosynthetic rate, chlorophyll content and leaf osmotic potential, were negatively affected by the saline stress. There was also a negative effect for the majority of anatomical traits evaluated in the presence of NaCl, except the stomatal density and upper epidermal thickness. The NaCl also induced changes in uptake of macro- and micronutrients and decreased plant growth, fresh shoot and root weights, and dry shoot weight. Based on the principal component analysis (PCA), 18 informative traits were identified for the discrimination of the passion fruit population for saline stress. P. mucronata exhibited better salt tolerance in comparison with the other populations, especially with higher values for root traits, a lower accumulation of sodium in the leaves, and maintenance of photosynthesis, conductance and stomatal functionality. Near-infrared spectrophotometry (NIRS) allowed the separation of the parental Passiflora populations submitted to the saline treatment, opening the possibility of validating its use for screening passion fruit genotypes for tolerance of salinity. Breeding for salt tolerance in passion fruit is feasible using wild species such as P. mucronata. MenosPassion fruit is one of the main crops produced in the irrigated areas of Northeastern Brazil. However, soil salinization in this region has limited its productivity. This work aimed to compare the effects of saline stress on three populations of passion fruit (Passiflora edulis Sims, P. mucronata Lam. and the interspecific hybrid P. edulis x P. mucronata) using physiological, anatomical, nutritional, agronomic traits and application of near-infrared spectroscopy (NIRS). Plants were grown on sterile washed sand and irrigated with a nutrient solution with or without NaCl (0 or 150 mM) in a completely randomized design with eight replicates. Most of the physiological traits, such as transpiration, stomatal conductance, net photosynthetic rate, chlorophyll content and leaf osmotic potential, were negatively affected by the saline stress. There was also a negative effect for the majority of anatomical traits evaluated in the presence of NaCl, except the stomatal density and upper epidermal thickness. The NaCl also induced changes in uptake of macro- and micronutrients and decreased plant growth, fresh shoot and root weights, and dry shoot weight. Based on the principal component analysis (PCA), 18 informative traits were identified for the discrimination of the passion fruit population for saline stress. P. mucronata exhibited better salt tolerance in comparison with the other populations, especially with higher values for root traits, a lower accumulation of sodium in the leave... Mostrar Tudo |
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Thesagro: |
Maracujá. |
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Thesaurus Nal: |
Passion fruits. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02629naa a2200217 a 4500
001 2122203
005 2020-07-15
008 2020 bl uuuu u00u1 u #d
022 $a0304-4238
100 1 $aLIMA, L. K. da S.
245 $aGrowth, physiological, anatomical and nutritional responses of two phenotypically distinct passion fruit species (Passiflora L.) and their hybrid under saline conditions.$h[electronic resource]
260 $c2020
520 $aPassion fruit is one of the main crops produced in the irrigated areas of Northeastern Brazil. However, soil salinization in this region has limited its productivity. This work aimed to compare the effects of saline stress on three populations of passion fruit (Passiflora edulis Sims, P. mucronata Lam. and the interspecific hybrid P. edulis x P. mucronata) using physiological, anatomical, nutritional, agronomic traits and application of near-infrared spectroscopy (NIRS). Plants were grown on sterile washed sand and irrigated with a nutrient solution with or without NaCl (0 or 150 mM) in a completely randomized design with eight replicates. Most of the physiological traits, such as transpiration, stomatal conductance, net photosynthetic rate, chlorophyll content and leaf osmotic potential, were negatively affected by the saline stress. There was also a negative effect for the majority of anatomical traits evaluated in the presence of NaCl, except the stomatal density and upper epidermal thickness. The NaCl also induced changes in uptake of macro- and micronutrients and decreased plant growth, fresh shoot and root weights, and dry shoot weight. Based on the principal component analysis (PCA), 18 informative traits were identified for the discrimination of the passion fruit population for saline stress. P. mucronata exhibited better salt tolerance in comparison with the other populations, especially with higher values for root traits, a lower accumulation of sodium in the leaves, and maintenance of photosynthesis, conductance and stomatal functionality. Near-infrared spectrophotometry (NIRS) allowed the separation of the parental Passiflora populations submitted to the saline treatment, opening the possibility of validating its use for screening passion fruit genotypes for tolerance of salinity. Breeding for salt tolerance in passion fruit is feasible using wild species such as P. mucronata.
650 $aPassion fruits
650 $aMaracujá
700 1 $aJESUS, O. N. de
700 1 $aSOARES, T. L.
700 1 $aSANTOS, I. S. dos
700 1 $aOLIVEIRA, E. J. de
700 1 $aCOELHO FILHO, M. A.
773 $tScientia Horticulturae$gv. 263, 2020.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Unidades Centrais. Para informações adicionais entre em contato com biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
09/12/2004 |
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Data da última atualização: |
09/12/2004 |
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Autoria: |
CONTINI, E.; CRUZ, E. R. da. |
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Afiliação: |
Pesquisador do Departamento de Estudos e Pesquisas (DEP/EMBRAPA). |
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Título: |
O programa de estabilização econômica e seus reflexos sobre a agropecuária. |
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Ano de publicação: |
1986 |
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Fonte/Imprenta: |
Revista de Economia Rural, Brasilia, v.24, n.1, p.3-22, jan./mar. 1986. |
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Idioma: |
Português |
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Conteúdo: |
Discutem-se os principais efeitos do Programa de Estabilização Econômica (PEE) do Governo sobre o setor agropecuário. São analisados os efeitos sobre preços recebidos e pagos pelos agricultores, sobre o crédito rural e sobre a modernização da agricultura. Os efeitos positivos maiores do PEE recaem sobre produtores especializados em agricultura. Estima-se que, em razão da nova política governamental, haverá, nos próximos anos, uma maior pressão sobre as instituições de pesquisa por novas tecnologias. |
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Palavras-Chave: |
agricultural technology. |
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Thesagro: |
Inflação; Política Agrícola; Política Econômica; Tecnologia Agrícola. |
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Thesaurus NAL: |
agricultural policy; economic policy; inflation. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01194naa a2200229 a 4500
001 1112459
005 2004-12-09
008 1986 bl uuuu u00u1 u #d
100 1 $aCONTINI, E.
245 $aO programa de estabilização econômica e seus reflexos sobre a agropecuária.
260 $c1986
520 $aDiscutem-se os principais efeitos do Programa de Estabilização Econômica (PEE) do Governo sobre o setor agropecuário. São analisados os efeitos sobre preços recebidos e pagos pelos agricultores, sobre o crédito rural e sobre a modernização da agricultura. Os efeitos positivos maiores do PEE recaem sobre produtores especializados em agricultura. Estima-se que, em razão da nova política governamental, haverá, nos próximos anos, uma maior pressão sobre as instituições de pesquisa por novas tecnologias.
650 $aagricultural policy
650 $aeconomic policy
650 $ainflation
650 $aInflação
650 $aPolítica Agrícola
650 $aPolítica Econômica
650 $aTecnologia Agrícola
653 $aagricultural technology
700 1 $aCRUZ, E. R. da
773 $tRevista de Economia Rural, Brasilia$gv.24, n.1, p.3-22, jan./mar. 1986.
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