Investigation of dormancy and storage potential of seeds of yellow passion fruit
Abstract: Passiflora actinia Hooker is a passion fruit species native to Brazil, typically found in the Atlantic and Araucaria Forests. It has economic relevance (edible fruit) and medicinal value (sedative and anxiolytic properties), in addition to being used for vegetative propagation, as rootstock for other Passiflora species. This study aimed at investigating the occurrence of dormancy in P. actinia seeds, and at evaluating their storage potential. The germination test considered different combinations of temperature and lighting regimes, whereas seed dormancy was assessed using different germination-inducing treatments (tegument cutting, warm water immersion, and gibberellin application). Seed viability during storage was also appraised. The results showed that seed germination should be conducted on paper at the alternating temperature of 20-30 °C, without lighting. Also, newly-harvested seeds presented physical and physiological dormancies. The immersion of seeds in water at 40 °C or 50 °C (for 5 or 10 minutes) proved to be efficient in breaking the physical dormancy. Physiological dormancy, in turn, was successfully interrupted by applying 100 mg. L-1 of gibberellic acid on the substrate paper. The storage of seeds under refrigeration, inside hermetically sealed polyethylene packaging, preserved their physiological quality for up to nine months.
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ABRATES - Associação Brasileira de Tecnologia de Sementes
2019
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oai:scielo:S2317-153720190003003672019-09-06Investigation of dormancy and storage potential of seeds of yellow passion fruitGrzybowski,Camila Ribeiro de SouzaSilva,Rosemeire Carvalho daBelniaki,Andreza CerioniPanobianco,Maristela Passiflora actinia fruit-bearing species germination gibberellin propagation Abstract: Passiflora actinia Hooker is a passion fruit species native to Brazil, typically found in the Atlantic and Araucaria Forests. It has economic relevance (edible fruit) and medicinal value (sedative and anxiolytic properties), in addition to being used for vegetative propagation, as rootstock for other Passiflora species. This study aimed at investigating the occurrence of dormancy in P. actinia seeds, and at evaluating their storage potential. The germination test considered different combinations of temperature and lighting regimes, whereas seed dormancy was assessed using different germination-inducing treatments (tegument cutting, warm water immersion, and gibberellin application). Seed viability during storage was also appraised. The results showed that seed germination should be conducted on paper at the alternating temperature of 20-30 °C, without lighting. Also, newly-harvested seeds presented physical and physiological dormancies. The immersion of seeds in water at 40 °C or 50 °C (for 5 or 10 minutes) proved to be efficient in breaking the physical dormancy. Physiological dormancy, in turn, was successfully interrupted by applying 100 mg. L-1 of gibberellic acid on the substrate paper. The storage of seeds under refrigeration, inside hermetically sealed polyethylene packaging, preserved their physiological quality for up to nine months.info:eu-repo/semantics/openAccessABRATES - Associação Brasileira de Tecnologia de SementesJournal of Seed Science v.41 n.3 20192019-07-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372019000300367en10.1590/2317-1545v41n3214892 |
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Grzybowski,Camila Ribeiro de Souza Silva,Rosemeire Carvalho da Belniaki,Andreza Cerioni Panobianco,Maristela |
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Grzybowski,Camila Ribeiro de Souza Silva,Rosemeire Carvalho da Belniaki,Andreza Cerioni Panobianco,Maristela Investigation of dormancy and storage potential of seeds of yellow passion fruit |
author_facet |
Grzybowski,Camila Ribeiro de Souza Silva,Rosemeire Carvalho da Belniaki,Andreza Cerioni Panobianco,Maristela |
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Grzybowski,Camila Ribeiro de Souza |
title |
Investigation of dormancy and storage potential of seeds of yellow passion fruit |
title_short |
Investigation of dormancy and storage potential of seeds of yellow passion fruit |
title_full |
Investigation of dormancy and storage potential of seeds of yellow passion fruit |
title_fullStr |
Investigation of dormancy and storage potential of seeds of yellow passion fruit |
title_full_unstemmed |
Investigation of dormancy and storage potential of seeds of yellow passion fruit |
title_sort |
investigation of dormancy and storage potential of seeds of yellow passion fruit |
description |
Abstract: Passiflora actinia Hooker is a passion fruit species native to Brazil, typically found in the Atlantic and Araucaria Forests. It has economic relevance (edible fruit) and medicinal value (sedative and anxiolytic properties), in addition to being used for vegetative propagation, as rootstock for other Passiflora species. This study aimed at investigating the occurrence of dormancy in P. actinia seeds, and at evaluating their storage potential. The germination test considered different combinations of temperature and lighting regimes, whereas seed dormancy was assessed using different germination-inducing treatments (tegument cutting, warm water immersion, and gibberellin application). Seed viability during storage was also appraised. The results showed that seed germination should be conducted on paper at the alternating temperature of 20-30 °C, without lighting. Also, newly-harvested seeds presented physical and physiological dormancies. The immersion of seeds in water at 40 °C or 50 °C (for 5 or 10 minutes) proved to be efficient in breaking the physical dormancy. Physiological dormancy, in turn, was successfully interrupted by applying 100 mg. L-1 of gibberellic acid on the substrate paper. The storage of seeds under refrigeration, inside hermetically sealed polyethylene packaging, preserved their physiological quality for up to nine months. |
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ABRATES - Associação Brasileira de Tecnologia de Sementes |
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2019 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372019000300367 |
work_keys_str_mv |
AT grzybowskicamilaribeirodesouza investigationofdormancyandstoragepotentialofseedsofyellowpassionfruit AT silvarosemeirecarvalhoda investigationofdormancyandstoragepotentialofseedsofyellowpassionfruit AT belniakiandrezacerioni investigationofdormancyandstoragepotentialofseedsofyellowpassionfruit AT panobiancomaristela investigationofdormancyandstoragepotentialofseedsofyellowpassionfruit |
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