Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germination
ABSTRACT Copaifera oblongifolia is a recurrent plant species in degraded areas yet there is little information about its seed biology and interactions with fungi. The aims of this study were to identify the fungal community (endophytic and non-endophytic) associated with C. oblongifolia seeds and to test the effects of these different fungal species on germination. In general, germination of C. oblongifolia seeds was high (about 85 %), initiating four days after sowing and continuing for a total of 20 days. External asepsis with sodium hypochlorite did not influence germinability of C. oblongifolia. Seed infestation with Aspergillus niger, A. flavus, Mucor sp. and Rhizopus stolonifer did not affect the time required for germination, however, infection with A. flavus negatively affected germination percentage. Endophytic fungi were not isolated from C. oblongifolia seeds, suggesting that this species does not transmit endophytic fungi vertically. Therefore, C. oblongifolia can be classified in Class 3 with regard to the transmission and presence of endophytes.
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Sociedade Botânica do Brasil
2019
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oai:scielo:S0102-330620190001001792019-05-16Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germinationFernandes,Elio GomesValério,Henrique MaiaDuarte,Karen Luiza RodriguesCapuchinho,Lauany Matos de NovaisFagundes,Marcílio endophytic classification endophytic fungi saprophytic fungi seed germination seed-fungus interactions ABSTRACT Copaifera oblongifolia is a recurrent plant species in degraded areas yet there is little information about its seed biology and interactions with fungi. The aims of this study were to identify the fungal community (endophytic and non-endophytic) associated with C. oblongifolia seeds and to test the effects of these different fungal species on germination. In general, germination of C. oblongifolia seeds was high (about 85 %), initiating four days after sowing and continuing for a total of 20 days. External asepsis with sodium hypochlorite did not influence germinability of C. oblongifolia. Seed infestation with Aspergillus niger, A. flavus, Mucor sp. and Rhizopus stolonifer did not affect the time required for germination, however, infection with A. flavus negatively affected germination percentage. Endophytic fungi were not isolated from C. oblongifolia seeds, suggesting that this species does not transmit endophytic fungi vertically. Therefore, C. oblongifolia can be classified in Class 3 with regard to the transmission and presence of endophytes.info:eu-repo/semantics/openAccessSociedade Botânica do BrasilActa Botanica Brasilica v.33 n.1 20192019-03-01info:eu-repo/semantics/othertext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062019000100179en10.1590/0102-33062018abb0100 |
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Fernandes,Elio Gomes Valério,Henrique Maia Duarte,Karen Luiza Rodrigues Capuchinho,Lauany Matos de Novais Fagundes,Marcílio |
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Fernandes,Elio Gomes Valério,Henrique Maia Duarte,Karen Luiza Rodrigues Capuchinho,Lauany Matos de Novais Fagundes,Marcílio Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germination |
author_facet |
Fernandes,Elio Gomes Valério,Henrique Maia Duarte,Karen Luiza Rodrigues Capuchinho,Lauany Matos de Novais Fagundes,Marcílio |
author_sort |
Fernandes,Elio Gomes |
title |
Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germination |
title_short |
Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germination |
title_full |
Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germination |
title_fullStr |
Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germination |
title_full_unstemmed |
Fungi associated with Copaifera oblongifolia (Fabaceae) seeds: occurrence and possible effects on seed germination |
title_sort |
fungi associated with copaifera oblongifolia (fabaceae) seeds: occurrence and possible effects on seed germination |
description |
ABSTRACT Copaifera oblongifolia is a recurrent plant species in degraded areas yet there is little information about its seed biology and interactions with fungi. The aims of this study were to identify the fungal community (endophytic and non-endophytic) associated with C. oblongifolia seeds and to test the effects of these different fungal species on germination. In general, germination of C. oblongifolia seeds was high (about 85 %), initiating four days after sowing and continuing for a total of 20 days. External asepsis with sodium hypochlorite did not influence germinability of C. oblongifolia. Seed infestation with Aspergillus niger, A. flavus, Mucor sp. and Rhizopus stolonifer did not affect the time required for germination, however, infection with A. flavus negatively affected germination percentage. Endophytic fungi were not isolated from C. oblongifolia seeds, suggesting that this species does not transmit endophytic fungi vertically. Therefore, C. oblongifolia can be classified in Class 3 with regard to the transmission and presence of endophytes. |
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Sociedade Botânica do Brasil |
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2019 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062019000100179 |
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