Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Engenharia Agrícola e Ambiental (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662013001100011 |
Resumo: | Tabebuia aurea (Benth. & Hook. f. ex S. Moore) (Bignoniaceae) is a boreal species common in Brazil. It is used for ornamental parks and along sidewalks. Its timber is also used for furniture. The objective of this study was to evaluate the effect of nursery shading on the growth and photosynthesis of T. aurea and their photosynthetic adaptation after being transferred to direct sunlight. The T. aurea seedlings were grown under 0, 50, 70 or 95% shade. The photosynthetic active radiation and leaf gas exchange were measured over two distinct periods: 51 (young seedlings) and 70 days after having been sown under each shade treatment. Immediately after the measurements were taken, the seedlings were transferred into full sunlight and the measurements were repeated two times after 15 min and 3 days under ambient sunlight. T. aurea seedlings showed satisfactory growth up to 50% shade in the nursery, which could be verified both by growth measurement and by total biomass accumulation. Shading greater than 70% reduced the number of leaves, the leaf area and the stem diameter in relation to plants exposed to full sunlight. The results suggest that T. aurea seedlings should be grown under full sunlight or under shading up to 50% to maximize their growth in the nursery and to minimize stress when transferring the seedlings to their final planting sites. |
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Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nurseryBignoniaceaenurseryAtlantic Forestleaf gas exchangeTabebuia aurea (Benth. & Hook. f. ex S. Moore) (Bignoniaceae) is a boreal species common in Brazil. It is used for ornamental parks and along sidewalks. Its timber is also used for furniture. The objective of this study was to evaluate the effect of nursery shading on the growth and photosynthesis of T. aurea and their photosynthetic adaptation after being transferred to direct sunlight. The T. aurea seedlings were grown under 0, 50, 70 or 95% shade. The photosynthetic active radiation and leaf gas exchange were measured over two distinct periods: 51 (young seedlings) and 70 days after having been sown under each shade treatment. Immediately after the measurements were taken, the seedlings were transferred into full sunlight and the measurements were repeated two times after 15 min and 3 days under ambient sunlight. T. aurea seedlings showed satisfactory growth up to 50% shade in the nursery, which could be verified both by growth measurement and by total biomass accumulation. Shading greater than 70% reduced the number of leaves, the leaf area and the stem diameter in relation to plants exposed to full sunlight. The results suggest that T. aurea seedlings should be grown under full sunlight or under shading up to 50% to maximize their growth in the nursery and to minimize stress when transferring the seedlings to their final planting sites.Departamento de Engenharia Agrícola - UFCG2013-11-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662013001100011Revista Brasileira de Engenharia Agrícola e Ambiental v.17 n.11 2013reponame:Revista Brasileira de Engenharia Agrícola e Ambiental (Online)instname:Universidade Federal de Campina Grande (UFCG)instacron:UFCG10.1590/S1415-43662013001100011info:eu-repo/semantics/openAccessGonçalves,Eduardo RSouza,Felipe C.Santos,Luan N. dosSilva,José V.Ferreira,Vilma M.Endres,Lauricioeng2013-11-06T00:00:00Zoai:scielo:S1415-43662013001100011Revistahttp://www.scielo.br/rbeaaPUBhttps://old.scielo.br/oai/scielo-oai.php||agriambi@agriambi.com.br1807-19291415-4366opendoar:2013-11-06T00:00Revista Brasileira de Engenharia Agrícola e Ambiental (Online) - Universidade Federal de Campina Grande (UFCG)false |
dc.title.none.fl_str_mv |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery |
title |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery |
spellingShingle |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery Gonçalves,Eduardo R Bignoniaceae nursery Atlantic Forest leaf gas exchange |
title_short |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery |
title_full |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery |
title_fullStr |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery |
title_full_unstemmed |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery |
title_sort |
Morphological and photosynthetic adaptations of Tabebuia aurea seedlings in the nursery |
author |
Gonçalves,Eduardo R |
author_facet |
Gonçalves,Eduardo R Souza,Felipe C. Santos,Luan N. dos Silva,José V. Ferreira,Vilma M. Endres,Lauricio |
author_role |
author |
author2 |
Souza,Felipe C. Santos,Luan N. dos Silva,José V. Ferreira,Vilma M. Endres,Lauricio |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Gonçalves,Eduardo R Souza,Felipe C. Santos,Luan N. dos Silva,José V. Ferreira,Vilma M. Endres,Lauricio |
dc.subject.por.fl_str_mv |
Bignoniaceae nursery Atlantic Forest leaf gas exchange |
topic |
Bignoniaceae nursery Atlantic Forest leaf gas exchange |
description |
Tabebuia aurea (Benth. & Hook. f. ex S. Moore) (Bignoniaceae) is a boreal species common in Brazil. It is used for ornamental parks and along sidewalks. Its timber is also used for furniture. The objective of this study was to evaluate the effect of nursery shading on the growth and photosynthesis of T. aurea and their photosynthetic adaptation after being transferred to direct sunlight. The T. aurea seedlings were grown under 0, 50, 70 or 95% shade. The photosynthetic active radiation and leaf gas exchange were measured over two distinct periods: 51 (young seedlings) and 70 days after having been sown under each shade treatment. Immediately after the measurements were taken, the seedlings were transferred into full sunlight and the measurements were repeated two times after 15 min and 3 days under ambient sunlight. T. aurea seedlings showed satisfactory growth up to 50% shade in the nursery, which could be verified both by growth measurement and by total biomass accumulation. Shading greater than 70% reduced the number of leaves, the leaf area and the stem diameter in relation to plants exposed to full sunlight. The results suggest that T. aurea seedlings should be grown under full sunlight or under shading up to 50% to maximize their growth in the nursery and to minimize stress when transferring the seedlings to their final planting sites. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-11-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662013001100011 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662013001100011 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1415-43662013001100011 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Departamento de Engenharia Agrícola - UFCG |
publisher.none.fl_str_mv |
Departamento de Engenharia Agrícola - UFCG |
dc.source.none.fl_str_mv |
Revista Brasileira de Engenharia Agrícola e Ambiental v.17 n.11 2013 reponame:Revista Brasileira de Engenharia Agrícola e Ambiental (Online) instname:Universidade Federal de Campina Grande (UFCG) instacron:UFCG |
instname_str |
Universidade Federal de Campina Grande (UFCG) |
instacron_str |
UFCG |
institution |
UFCG |
reponame_str |
Revista Brasileira de Engenharia Agrícola e Ambiental (Online) |
collection |
Revista Brasileira de Engenharia Agrícola e Ambiental (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Engenharia Agrícola e Ambiental (Online) - Universidade Federal de Campina Grande (UFCG) |
repository.mail.fl_str_mv |
||agriambi@agriambi.com.br |
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1750297682381897728 |