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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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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
06/06/2017 |
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Data da última atualização: |
06/06/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BARBOSA, R. C. A.; BRITO, M. E. B.; SÁ, F. V. da S.; SOARES FILHO, W. dos S.; FERNANDES. P. D.; SILVA, L. de A. |
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Afiliação: |
ROBERTA CHAIENE ALMEIDA BARBOSA, UFCG; MARCOS ERIC BARBOSA BRITO, UFCG; FRANCISCO VANIES DA SILVA SÁ, UFCG; WALTER DOS SANTOS SOARES FILHO, CNPMF; PEDRO DANTAS FERNANDES, UFCG; LUDERLÂNDIO DE ANDRADE SILVA, UFCG. |
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Título: |
Gas exchange of citrus rootstocks in response to intensity and duration of saline stressTrocas gasosas de porta-enxertos de citros em respos to intensity and duration of saline stress. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Semina: Ciências Agrárias, Londrina, v. 38, n. 2, p. 725-738, mar./abr. 2017. |
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ISSN: |
1679-0359 |
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Idioma: |
Português |
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Conteúdo: |
Soil and water salinity cause physiological disorders in sensitive plants, such as altered gas exchange in citrus genotypes. However, it is possible to analyse these effects and to identify genotypes tolerant to salt stress. An experiment was carried out in order to evaluate the tolerance of citrus genotypes considering the irrigation with saline water during rootstock formation. The study took place under greenhouse conditions in Pombal county, Paraiba, Brazil. A randomised block design was used, with treatments arranged in a factorial scheme (5 x 8). The two factors were: [i] five salinity levels of irrigation water (0.8, 1.6, 2.4, 3.2 and 4.0 dS m-1) and [ii] eight genotypes of citrus rootstocks: 1. ?Santa Cruz Rangupur? lime (LCRSTC); 2. common ?Sunki? mandarin (TSKC) x ?Swingle? citrumelo (CTSW) ? 028; 3. TSKC x CTSW ? 033; 4. TSKC x CTSW ? 041; 5. ?Volkamer? lemon (LVK) x ?Rangpur? lime (LCR) ? 038; 6. ?Florida Sunki? mandarin (TSKFL); 7. TSKC and 8. ?Florida? rough lemon (LRF). Gas exchange was evaluated at 15, 30 and 60 days after the beginning of the saline water application. High water salinity reduces gas exchange in citrus genotypes, which was more evident at 15 days from the beginning of stress. The genotypes ?Santa Cruz Rangpur? lime, TSKC x CTSW ? 041, LVK x LCR ? 038 and ?Florida? rough lemon exhibit a satisfactory physiological behaviour during the first 30 days of exposure to the stress, showing moderate tolerance to salt stress. The genotypes TSKC x CTSW ? 033 and common ?Sunki? mandarin are the most sensitive to salinity. MenosSoil and water salinity cause physiological disorders in sensitive plants, such as altered gas exchange in citrus genotypes. However, it is possible to analyse these effects and to identify genotypes tolerant to salt stress. An experiment was carried out in order to evaluate the tolerance of citrus genotypes considering the irrigation with saline water during rootstock formation. The study took place under greenhouse conditions in Pombal county, Paraiba, Brazil. A randomised block design was used, with treatments arranged in a factorial scheme (5 x 8). The two factors were: [i] five salinity levels of irrigation water (0.8, 1.6, 2.4, 3.2 and 4.0 dS m-1) and [ii] eight genotypes of citrus rootstocks: 1. ?Santa Cruz Rangupur? lime (LCRSTC); 2. common ?Sunki? mandarin (TSKC) x ?Swingle? citrumelo (CTSW) ? 028; 3. TSKC x CTSW ? 033; 4. TSKC x CTSW ? 041; 5. ?Volkamer? lemon (LVK) x ?Rangpur? lime (LCR) ? 038; 6. ?Florida Sunki? mandarin (TSKFL); 7. TSKC and 8. ?Florida? rough lemon (LRF). Gas exchange was evaluated at 15, 30 and 60 days after the beginning of the saline water application. High water salinity reduces gas exchange in citrus genotypes, which was more evident at 15 days from the beginning of stress. The genotypes ?Santa Cruz Rangpur? lime, TSKC x CTSW ? 041, LVK x LCR ? 038 and ?Florida? rough lemon exhibit a satisfactory physiological behaviour during the first 30 days of exposure to the stress, showing moderate tolerance to salt stress. The genotypes TSKC x CTSW ?... Mostrar Tudo |
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Palavras-Chave: |
Cirus. |
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Thesagro: |
Fruta cítrica. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02330naa a2200217 a 4500
001 2070402
005 2017-06-06
008 2017 bl uuuu u00u1 u #d
022 $a1679-0359
100 1 $aBARBOSA, R. C. A.
245 $aGas exchange of citrus rootstocks in response to intensity and duration of saline stressTrocas gasosas de porta-enxertos de citros em respos to intensity and duration of saline stress.$h[electronic resource]
260 $c2017
520 $aSoil and water salinity cause physiological disorders in sensitive plants, such as altered gas exchange in citrus genotypes. However, it is possible to analyse these effects and to identify genotypes tolerant to salt stress. An experiment was carried out in order to evaluate the tolerance of citrus genotypes considering the irrigation with saline water during rootstock formation. The study took place under greenhouse conditions in Pombal county, Paraiba, Brazil. A randomised block design was used, with treatments arranged in a factorial scheme (5 x 8). The two factors were: [i] five salinity levels of irrigation water (0.8, 1.6, 2.4, 3.2 and 4.0 dS m-1) and [ii] eight genotypes of citrus rootstocks: 1. ?Santa Cruz Rangupur? lime (LCRSTC); 2. common ?Sunki? mandarin (TSKC) x ?Swingle? citrumelo (CTSW) ? 028; 3. TSKC x CTSW ? 033; 4. TSKC x CTSW ? 041; 5. ?Volkamer? lemon (LVK) x ?Rangpur? lime (LCR) ? 038; 6. ?Florida Sunki? mandarin (TSKFL); 7. TSKC and 8. ?Florida? rough lemon (LRF). Gas exchange was evaluated at 15, 30 and 60 days after the beginning of the saline water application. High water salinity reduces gas exchange in citrus genotypes, which was more evident at 15 days from the beginning of stress. The genotypes ?Santa Cruz Rangpur? lime, TSKC x CTSW ? 041, LVK x LCR ? 038 and ?Florida? rough lemon exhibit a satisfactory physiological behaviour during the first 30 days of exposure to the stress, showing moderate tolerance to salt stress. The genotypes TSKC x CTSW ? 033 and common ?Sunki? mandarin are the most sensitive to salinity.
650 $aFruta cítrica
653 $aCirus
700 1 $aBRITO, M. E. B.
700 1 $aSÁ, F. V. da S.
700 1 $aSOARES FILHO, W. dos S.
700 1 $aFERNANDES. P. D.
700 1 $aSILVA, L. de A.
773 $tSemina: Ciências Agrárias, Londrina$gv. 38, n. 2, p. 725-738, mar./abr. 2017.
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| 2. |  | PEREIRA, A. da S. A evolução da cultura da batata no Brasil. Horticultura Brasileira, Brasília, DF, v. 29, n. 2, jul. 2011. p. S5701-S5710 Suplemento. Trabalho apresentado no 51 Congresso Brasileiro de Olericultura, 51., 2011, Viçosa, MG.| Tipo: Artigo em Anais de Congresso |
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