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| 3. |  | CAIRO, P. A. R.; OLIVEIRA, L. E. M. de; MESQUITA, A. C.; CUNHA, R. L. Atividade da rubisco e das enzimas de síntese e hidrólise de sacarose, associada à produtividade de látex, em clones de seringueira [Hevea brasiliensis (Willd ex. Adr. de Juss.) Muell.-Arg] cultivados em Lavras, MG. Ciência e Agrotecnologia, v. 33, n. 2, p. 369-376, mar./abr. 2009.| Biblioteca(s): Embrapa Amazônia Oriental. |
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Registro Completo
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
25/01/2019 |
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Data da última atualização: |
25/01/2019 |
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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: |
MESQUITA, A. C.; DANTAS, B. F.; CAIRO, P. A. R. |
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Afiliação: |
ALESSANDRO CARLOS MESQUITA; BARBARA FRANCA DANTAS, CPATSA; PAULO ARAQUÉM RAMOS CAIRO. |
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Título: |
Ecophysiology of Caatinga native species under semi-arid conditions. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Bioscience Journal, v. 34, p. 81-89, dec. 2018. |
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Idioma: |
Inglês |
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Notas: |
Supplement 1. |
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Conteúdo: |
Caatinga is a biome from the Brazilian northeastern semiarid region which needs further studies for the preservation of its native species. The aim of this study was to evaluate the physiological behavior of six native species. The experiment was arranged in six treatments (native species) and three replicates in a randomized block design. Net photosynthesis, transpiration, stomatal conductance, photosynthetic photon flux density, chlorophyll content, and soil moisture were evaluated. According to the results, Mimosa spp. had the lowest levels of chlorophyll content. In all species, water deficit caused significant decrease in transpiration rate and stomatal conductance. M urundeuva and Cnidoscolus spp. can be considered the most sensitive species to drought as changes in those variables also led to the decline in net photosynthesis. The other species can be considered more tolerant to drought, since net photosynthesis did not suffer significant decrease despite the harmful effects of water deficit on transpiration and stomatal conductance. |
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Palavras-Chave: |
Bioma Caatinga; Planta da Caatinga; Relação planta-água; Semiárido. |
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Thesagro: |
Caatinga; Espécie Nativa; Fotossíntese; Seca. |
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Thesaurus NAL: |
Drought. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/191349/1/Barbara-2018.pdf
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Marc: |
LEADER 01776naa a2200265 a 4500
001 2104815
005 2019-01-25
008 2018 bl uuuu u00u1 u #d
100 1 $aMESQUITA, A. C.
245 $aEcophysiology of Caatinga native species under semi-arid conditions.$h[electronic resource]
260 $c2018
500 $aSupplement 1.
520 $aCaatinga is a biome from the Brazilian northeastern semiarid region which needs further studies for the preservation of its native species. The aim of this study was to evaluate the physiological behavior of six native species. The experiment was arranged in six treatments (native species) and three replicates in a randomized block design. Net photosynthesis, transpiration, stomatal conductance, photosynthetic photon flux density, chlorophyll content, and soil moisture were evaluated. According to the results, Mimosa spp. had the lowest levels of chlorophyll content. In all species, water deficit caused significant decrease in transpiration rate and stomatal conductance. M urundeuva and Cnidoscolus spp. can be considered the most sensitive species to drought as changes in those variables also led to the decline in net photosynthesis. The other species can be considered more tolerant to drought, since net photosynthesis did not suffer significant decrease despite the harmful effects of water deficit on transpiration and stomatal conductance.
650 $aDrought
650 $aCaatinga
650 $aEspécie Nativa
650 $aFotossíntese
650 $aSeca
653 $aBioma Caatinga
653 $aPlanta da Caatinga
653 $aRelação planta-água
653 $aSemiárido
700 1 $aDANTAS, B. F.
700 1 $aCAIRO, P. A. R.
773 $tBioscience Journal$gv. 34, p. 81-89, dec. 2018.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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