Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flower
The abundance and distribution of resources for pollinators modulate the reproduction of plants. This study attempted to determine whether and how the fruiting success of Tibouchina trichopoda flowers varies due to plant size, number of flowers produced, distance between individuals and cardinal ori...
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| Format: | Article |
| Language: | English |
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Sociedade Botânica do Brasil
2013-03-01
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| Series: | Acta Botânica Brasílica |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000100014 |
| _version_ | 1818595231965118464 |
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| author | Fabiano Rodrigo da Maia Tiago Simões Malucelli Isabela Galarda Varassin |
| author_facet | Fabiano Rodrigo da Maia Tiago Simões Malucelli Isabela Galarda Varassin |
| author_sort | Fabiano Rodrigo da Maia |
| collection | DOAJ |
| description | The abundance and distribution of resources for pollinators modulate the reproduction of plants. This study attempted to determine whether and how the fruiting success of Tibouchina trichopoda flowers varies due to plant size, number of flowers produced, distance between individuals and cardinal orientation of the flowers. From July 2009 to February 2010, we conducted monthly evaluations of 21 plants in an area of regenerating forest within the Atlantic Forest biome, located near the municipality of Antonina, in southern Brazil. Floral density was monitored weekly. During the study period, the species bloomed twice: once during the cool, dry season, showing an extended flowering period with scattered flowering individuals; and once during the hot, rainy season, showing a brief flowering period with a high density of flowering individuals. Plant size was not found to influence fruiting success. There was greater production of flowers and fruits during the brief flowering period. The extent of the floral display positively affected the fruiting success of the flowers, the effect being greater when the density of flowers was low and tending to stabilize at higher densities. The northern-facing portions of tree crowns produced more flowers and therefore had greater fruiting success than did the southern-facing portions. However, the proportion of fruits produced per flower was the same. |
| first_indexed | 2024-12-16T11:12:44Z |
| format | Article |
| id | doaj.art-40f191bd8cc346ad83fb896c1c01b4fa |
| institution | Directory Open Access Journal |
| issn | 0102-3306 1677-941X |
| language | English |
| last_indexed | 2024-12-16T11:12:44Z |
| publishDate | 2013-03-01 |
| publisher | Sociedade Botânica do Brasil |
| record_format | Article |
| series | Acta Botânica Brasílica |
| spelling | doaj.art-40f191bd8cc346ad83fb896c1c01b4fa2022-12-21T22:33:42ZengSociedade Botânica do BrasilActa Botânica Brasílica0102-33061677-941X2013-03-01271142146Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flowerFabiano Rodrigo da MaiaTiago Simões MalucelliIsabela Galarda VarassinThe abundance and distribution of resources for pollinators modulate the reproduction of plants. This study attempted to determine whether and how the fruiting success of Tibouchina trichopoda flowers varies due to plant size, number of flowers produced, distance between individuals and cardinal orientation of the flowers. From July 2009 to February 2010, we conducted monthly evaluations of 21 plants in an area of regenerating forest within the Atlantic Forest biome, located near the municipality of Antonina, in southern Brazil. Floral density was monitored weekly. During the study period, the species bloomed twice: once during the cool, dry season, showing an extended flowering period with scattered flowering individuals; and once during the hot, rainy season, showing a brief flowering period with a high density of flowering individuals. Plant size was not found to influence fruiting success. There was greater production of flowers and fruits during the brief flowering period. The extent of the floral display positively affected the fruiting success of the flowers, the effect being greater when the density of flowers was low and tending to stabilize at higher densities. The northern-facing portions of tree crowns produced more flowers and therefore had greater fruiting success than did the southern-facing portions. However, the proportion of fruits produced per flower was the same.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000100014resource allocationAtlantic Rainforestplant-pollinator interactionspopulation densityfloral longevity |
| spellingShingle | Fabiano Rodrigo da Maia Tiago Simões Malucelli Isabela Galarda Varassin Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flower Acta Botânica Brasílica resource allocation Atlantic Rainforest plant-pollinator interactions population density floral longevity |
| title | Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flower |
| title_full | Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flower |
| title_fullStr | Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flower |
| title_full_unstemmed | Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flower |
| title_short | Ecological factors affecting the fruiting success of a Tibouchina trichopoda (DC.) Baill. (Melastomataceae) flower |
| title_sort | ecological factors affecting the fruiting success of a tibouchina trichopoda dc baill melastomataceae flower |
| topic | resource allocation Atlantic Rainforest plant-pollinator interactions population density floral longevity |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000100014 |
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