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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
13/05/2013 |
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Data da última atualização: |
01/09/2017 |
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Autoria: |
CECHIN, I.; ROCHA, V. DE J.; FUMIS, T. DE F. |
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Afiliação: |
INÊS CECHIN, Universidade do Estado de São Paulo/Faculdade de Ciências/Departamento de Ciências Biológicas; VALÉRIA DE JESUS ROCHA, Universidade do Estado de São Paulo/Faculdade de Ciências/Departamento de Ciências Biológicas; TEREZINHA DE FÁTIMA FUMIS, Universidade do Estado de São Paulo/Faculdade de Ciências/Departamento de Ciências Biológicas. |
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Título: |
Sensitivity of yellow passion fruit to ultraviolet-B radiation. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 47, n. 10, p. 1422-1427, out. 2012. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Sensitividade do maracujazeiro?amarelo à radiação ultravioleta?B. |
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Conteúdo: |
The objective of this work was to evaluate the effects of UV-B radiation on the vegetative growth and on the gas exchange characteristics of passion fruit plants (Passiflora edulis) grown in greenhouse. The average unweighted UV-B radiation near the apex of the plants was 8 W m2 for the UV-B treatment (high UV-B), and 0.8 W m2 for the control plants (low UV-B). Plants were irradiated with UV-B for 7 hours per day, centered on solar noon, during 16 days. High UV-B radiation resulted in lower shoot dry matter accumulation per plant. The content of UV-B absorbing compounds and anthocyanins was increased in the plants exposed to high UV-B radiation, when compared with the control. UV-B radiation did not affect stomatal conductance or transpiration rate, but reduced photosynthesis and instantaneous water-use efficiency, and increased intercellular CO2 concentration. The accumulation of UV-B-absorbing compounds and anthocyanins did not effectively shield plants from supplementary UV-B radiation, since the growth and photosynthetic processes were significantly reduced. |
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Thesagro: |
Crescimento; Maracujá; Passiflora Edulis; Radiação solar. |
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Thesaurus Nal: |
Anthocyanins; Phenolic compounds; Photosynthesis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/82695/1/sensitivity-of-yellow-passion-fruit.pdf
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Marc: |
LEADER 01838naa a2200241 a 4500
001 1957703
005 2017-09-01
008 2012 bl uuuu u00u1 u #d
100 1 $aCECHIN, I.
245 $aSensitivity of yellow passion fruit to ultraviolet-B radiation.
260 $c2012
500 $aTítulo em português: Sensitividade do maracujazeiro?amarelo à radiação ultravioleta?B.
520 $aThe objective of this work was to evaluate the effects of UV-B radiation on the vegetative growth and on the gas exchange characteristics of passion fruit plants (Passiflora edulis) grown in greenhouse. The average unweighted UV-B radiation near the apex of the plants was 8 W m2 for the UV-B treatment (high UV-B), and 0.8 W m2 for the control plants (low UV-B). Plants were irradiated with UV-B for 7 hours per day, centered on solar noon, during 16 days. High UV-B radiation resulted in lower shoot dry matter accumulation per plant. The content of UV-B absorbing compounds and anthocyanins was increased in the plants exposed to high UV-B radiation, when compared with the control. UV-B radiation did not affect stomatal conductance or transpiration rate, but reduced photosynthesis and instantaneous water-use efficiency, and increased intercellular CO2 concentration. The accumulation of UV-B-absorbing compounds and anthocyanins did not effectively shield plants from supplementary UV-B radiation, since the growth and photosynthetic processes were significantly reduced.
650 $aAnthocyanins
650 $aPhenolic compounds
650 $aPhotosynthesis
650 $aCrescimento
650 $aMaracujá
650 $aPassiflora Edulis
650 $aRadiação solar
700 1 $aROCHA, V. DE J.
700 1 $aFUMIS, T. DE F.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 47, n. 10, p. 1422-1427, out. 2012.
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