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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
20/03/2019 |
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Data da última atualização: |
09/01/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
XAVIER, T. M. T.; PEZZOPANE, J. E. M.; PENCHEL, R. M.; PEZZOPANE, J. R. M. |
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Afiliação: |
Talita Miranda Teixeira Xavier, Universidade Federal do Espírito Santo; José Eduardo Macedo Pezzopane, Universidade Federal do Espírito Santo; Ricardo Miguel Penchel, Fibria Celulose S. A; JOSE RICARDO MACEDO PEZZOPANE, CPPSE. |
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Título: |
Leaf water potential and gas exchange of eucalypt clonal seedlings to leaf solar protectant. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Journal of Forestry Research, v. 30, n. 1, p.57-63, 2019. |
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DOI: |
10.1007/s11676-018-0602-0 |
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Idioma: |
Inglês |
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Conteúdo: |
This experiment was carried out in acclimatized greenhouses with seedlings of two hybrid clones of Eucalyptus urophylla 9 Eucalyptus grandis. A sunscreen protector consisting of 62.5% calcium carbonate was sprayed on the seedlings at weekly intervals. Water stress was induced by suspending irrigation until the soil reached 30% available water and water was then replaced so that it returned to field capacity. Gas exchange and leaf water status were measured after 50 days. The experiment was set up in a 4 9 2 factorial randomized block design in four distinct environments: (1) temperatures less than 21.2 C and vapor pressure deficit of 0.15 kPa; (2) intermediate temperatures of 24.2 C and vapor pressure deficit of 0.69 kPa; (3) high temperatures of 27.0 C and high vapor pressure deficit of 1.4 kPa; and, (4) high temperature of 27.0 C and vapor pressure deficit below 1.10 kPa. Two leaf sun protector treatments were used, with five replications each. High atmospheric demand acted as a stress factor for the seedlings during the initial growth phase. Applications of leaf sunscreen protector provided beneficial effects in maintaining optimum water status and gas exchanges of the plants under water stress. |
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Palavras-Chave: |
Atmospheric demand; Estresse hídrico. |
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Thesagro: |
Eucalipto; Eucalyptus Grandis; Eucalyptus Urophylla. |
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Thesaurus NAL: |
Calcium carbonate; Water stress. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01996naa a2200253 a 4500
001 2107261
005 2020-01-09
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1007/s11676-018-0602-0$2DOI
100 1 $aXAVIER, T. M. T.
245 $aLeaf water potential and gas exchange of eucalypt clonal seedlings to leaf solar protectant.$h[electronic resource]
260 $c2019
520 $aThis experiment was carried out in acclimatized greenhouses with seedlings of two hybrid clones of Eucalyptus urophylla 9 Eucalyptus grandis. A sunscreen protector consisting of 62.5% calcium carbonate was sprayed on the seedlings at weekly intervals. Water stress was induced by suspending irrigation until the soil reached 30% available water and water was then replaced so that it returned to field capacity. Gas exchange and leaf water status were measured after 50 days. The experiment was set up in a 4 9 2 factorial randomized block design in four distinct environments: (1) temperatures less than 21.2 C and vapor pressure deficit of 0.15 kPa; (2) intermediate temperatures of 24.2 C and vapor pressure deficit of 0.69 kPa; (3) high temperatures of 27.0 C and high vapor pressure deficit of 1.4 kPa; and, (4) high temperature of 27.0 C and vapor pressure deficit below 1.10 kPa. Two leaf sun protector treatments were used, with five replications each. High atmospheric demand acted as a stress factor for the seedlings during the initial growth phase. Applications of leaf sunscreen protector provided beneficial effects in maintaining optimum water status and gas exchanges of the plants under water stress.
650 $aCalcium carbonate
650 $aWater stress
650 $aEucalipto
650 $aEucalyptus Grandis
650 $aEucalyptus Urophylla
653 $aAtmospheric demand
653 $aEstresse hídrico
700 1 $aPEZZOPANE, J. E. M.
700 1 $aPENCHEL, R. M.
700 1 $aPEZZOPANE, J. R. M.
773 $tJournal of Forestry Research$gv. 30, n. 1, p.57-63, 2019.
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