Fenofases reprodutivas, biologia floral e qualidade de sementes de Moquiniastrum polymorphum (Cabrera) G. Sancho. no sudoeste do Paraná
The study of native tree species, it is important to improvement of methodologies and the development of new technologies for the recovery of degraded forest ecosystems. The specie Moquiniastrum polymorphum (Cabrera) G. Sancho, popularly known as cambará, is a pioneer specie. This species is conside...
| Autor principal: | Corrêa, Bruno Jan Schramm |
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| Formato: | Trabalho de Conclusão de Curso (Graduação) |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná
2020
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.utfpr.edu.br/jspui/handle/1/11095 |
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| Resumo: |
The study of native tree species, it is important to improvement of methodologies and the development of new technologies for the recovery of degraded forest ecosystems. The specie Moquiniastrum polymorphum (Cabrera) G. Sancho, popularly known as cambará, is a pioneer specie. This species is considered important in restoration projects of riparian forests, due to its characteristics of soil conservation, litter and shading for secondary species. the present study had as objective to evaluate the reproductive phenology, floral visitors and germination of the specie in the area of forest restoration. Were 12 trees distributed in four plots of the Experimental Unit UNEPE) “Restauração Ecológica de Matas Ciliares” located on the farm of the Universidade Tecnológica Federal do Paraná, in the Municipality of Dois Vizinhos. Phenological observations of the individuals were performed fortnightly for analysis on flowering and fruiting, concomitantly observed, recorded and identified to the incidence of floral visitors. The seeds (cypselas) will be collected for germination test (8 replicates of 25 seeds per matrix), in order to obtain percentage of germination and average germination time . It was also carried out the analysis of the water content and weight of one thousand seeds for species. The flowers of M poymorphum present before and between 7 and 10 o'clock in the morning. Visitors of the species are of various orders and the highest frequency of visits occurs around 9am. The matrices showed flowering from January to April, while fruiting occurred between February and June. The moisture content and the weight of one thousand seeds presented data on the characteristics of the seeds. Twinning of the cypselas showed a low correlation between collection times, while there was no significant difference between the matrices. The work contributed to the behavioral characterization of the species in the study area. |
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