Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditions
Physiological and biochemical aspects of assai palm during seed germination and early seedling growth were investigated. Seeds collected from plants growing in flooded and upland forests were used to determine the influence of normoxic (aerobic) and anoxic (anaerobic) conditions in germination and t...
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| Format: | Article |
| Language: | English |
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Sociedade de Investigações Florestais
2010-12-01
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| Series: | Revista Árvore |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-67622010000600010&lng=en&tlng=en |
| _version_ | 1819274966860824576 |
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| author | José Francisco de Carvalho Gonçalves Renata Braga Souza Lima Andreia Varmes Fernandes Eduardo Euclydes de Lima e Borges Marcos Silveira Buckeridge |
| author_facet | José Francisco de Carvalho Gonçalves Renata Braga Souza Lima Andreia Varmes Fernandes Eduardo Euclydes de Lima e Borges Marcos Silveira Buckeridge |
| author_sort | José Francisco de Carvalho Gonçalves |
| collection | DOAJ |
| description | Physiological and biochemical aspects of assai palm during seed germination and early seedling growth were investigated. Seeds collected from plants growing in flooded and upland forests were used to determine the influence of normoxic (aerobic) and anoxic (anaerobic) conditions in germination and the initial and average time of development in the roots and shoots. After 75 days, seedlings germinated under normoxia were transferred to trays and submitted to flooding. Seed reserves (lipids, proteins, soluble sugars and starch) were monitored for quiescent and germinated seeds maintained under normoxic and anoxic conditions, as well as after 5, 10 and 20 days of seedling growth. Alcohol dehydrogenase (ADH) activity was quantified in roots and leaves of seedlings without or with flooding (partial and total). Seeds were not able to germinate under anoxia. Different strategies of storage mobilization of lipids, proteins, soluble sugars and starch were observed in seeds of each environment. ADH activity was induced by anoxia, with the highest level observed in the leaves. This study showed that, under normoxic conditions, the best developmental performance of assai palm seeds, from flooded or upland forest areas, during germination was associated with primary metabolites mobilization and seedling flooding tolerance with increased ADH activity. We conclude that the assai palm is well adapted to the anoxic conditions provoked by flooding. |
| first_indexed | 2024-12-23T23:16:50Z |
| format | Article |
| id | doaj.art-26b6886d1de84a90b30d3487a8aad8fa |
| institution | Directory Open Access Journal |
| issn | 1806-9088 |
| language | English |
| last_indexed | 2024-12-23T23:16:50Z |
| publishDate | 2010-12-01 |
| publisher | Sociedade de Investigações Florestais |
| record_format | Article |
| series | Revista Árvore |
| spelling | doaj.art-26b6886d1de84a90b30d3487a8aad8fa2022-12-21T17:26:29ZengSociedade de Investigações FlorestaisRevista Árvore1806-90882010-12-013461045405310.1590/S0100-67622010000600010S0100-67622010000600010Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditionsJosé Francisco de Carvalho Gonçalves0Renata Braga Souza Lima1Andreia Varmes Fernandes2Eduardo Euclydes de Lima e Borges3Marcos Silveira Buckeridge4Instituto Nacional de Pesquisas da AmazôniaInstituto Nacional de Pesquisas da AmazôniaInstituto Nacional de Pesquisas da AmazôniaUniversidade Federal de ViçosaUniversidade de São PauloPhysiological and biochemical aspects of assai palm during seed germination and early seedling growth were investigated. Seeds collected from plants growing in flooded and upland forests were used to determine the influence of normoxic (aerobic) and anoxic (anaerobic) conditions in germination and the initial and average time of development in the roots and shoots. After 75 days, seedlings germinated under normoxia were transferred to trays and submitted to flooding. Seed reserves (lipids, proteins, soluble sugars and starch) were monitored for quiescent and germinated seeds maintained under normoxic and anoxic conditions, as well as after 5, 10 and 20 days of seedling growth. Alcohol dehydrogenase (ADH) activity was quantified in roots and leaves of seedlings without or with flooding (partial and total). Seeds were not able to germinate under anoxia. Different strategies of storage mobilization of lipids, proteins, soluble sugars and starch were observed in seeds of each environment. ADH activity was induced by anoxia, with the highest level observed in the leaves. This study showed that, under normoxic conditions, the best developmental performance of assai palm seeds, from flooded or upland forest areas, during germination was associated with primary metabolites mobilization and seedling flooding tolerance with increased ADH activity. We conclude that the assai palm is well adapted to the anoxic conditions provoked by flooding.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-67622010000600010&lng=en&tlng=enDesidrogenase alcoólicaAnoxia e normoxia e Mobilização de reservas |
| spellingShingle | José Francisco de Carvalho Gonçalves Renata Braga Souza Lima Andreia Varmes Fernandes Eduardo Euclydes de Lima e Borges Marcos Silveira Buckeridge Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditions Revista Árvore Desidrogenase alcoólica Anoxia e normoxia e Mobilização de reservas |
| title | Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditions |
| title_full | Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditions |
| title_fullStr | Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditions |
| title_full_unstemmed | Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditions |
| title_short | Physiological and biochemical characterization of the assai palm (Euterpe oleracea Mart.) during seed germination and seedling growth under aerobic and anaerobic conditions |
| title_sort | physiological and biochemical characterization of the assai palm euterpe oleracea mart during seed germination and seedling growth under aerobic and anaerobic conditions |
| topic | Desidrogenase alcoólica Anoxia e normoxia e Mobilização de reservas |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-67622010000600010&lng=en&tlng=en |
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