Methods to overcome of the dormancy in murici (Byrsonima verbascifolia Rich) seeds

Autores

  • Paula Sperotto Alberto IFGoiano - Campus Rio Verde
  • Fabiano Guimarães Silva IFGoiano/Campus Rio Verde
  • Juliana Silva Rodrigues Cabral IFGoiano - Campus Rio Verde
  • Juliana de Fátima Sales IFGoiano - Campus Rio Verde
  • Flávia Dionísio Pereira IFGoiano - Campus Rio Verde

DOI:

https://doi.org/10.5433/1679-0359.2011v32n3p1014

Palavras-chave:

Germination, Medicinal plants, Savannah fruit bearing trees.

Resumo

The great agricultural development in the Brazilian savannah brought with it the reduction of its natural vegetation, which has been quickly lost, especially due to extractive exploitation by man. Murici (Byrsonima verbascifolia Rich) is a fruit bearing plant of great medicinal importance in the savannah; however, its propagation is hindered by the fact that the seeds have low germination and seedling emergence in the field is slow. This study evaluated the effect of different dormancy breakage methods in murici seeds. Therefore, were evaluated effect of different temperatures; soaking in gibberellic acid and water; chemical and mechanical scarification and two types of substrate (distilled water and KNO3). Treatments were arranged in a randomized block design. Records made daily on the number of germinated seeds were used to determine the germination percentage and germination speed index. Among the methods evaluated, giberellic acid at 2,309.46 ?M gave the greatest seed germination percentage, especially when the germination paper was moistened with KNO3.

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Biografia do Autor

Paula Sperotto Alberto, IFGoiano - Campus Rio Verde

Estudante de graduação, IC/ CNPq, Rio Verde, GO.

Fabiano Guimarães Silva, IFGoiano/Campus Rio Verde

Prof. do Instituto Federal Goiano campus Rio Verde. Rod. Sul Goiana Km 01, Zona Rural, Rio Verde, GO.

Juliana Silva Rodrigues Cabral, IFGoiano - Campus Rio Verde

Estudante de graduação, IC/ CNPq, Rio Verde, GO.

Juliana de Fátima Sales, IFGoiano - Campus Rio Verde

Prof. do Instituto Federal Goiano campus Rio Verde. Rod. Sul Goiana Km 01, Zona Rural, Rio Verde, GO.

Flávia Dionísio Pereira, IFGoiano - Campus Rio Verde

Pós- Doutoranda – PNPD/COMIGO-CAPES.

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Publicado

2011-08-10

Como Citar

Alberto, P. S., Silva, F. G., Rodrigues Cabral, J. S., Sales, J. de F., & Pereira, F. D. (2011). Methods to overcome of the dormancy in murici (Byrsonima verbascifolia Rich) seeds. Semina: Ciências Agrárias, 32(3), 1014–1020. https://doi.org/10.5433/1679-0359.2011v32n3p1014

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