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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945

Resumo

SOARES, Joyce Dória Rodrigues et al. Anatomical and cytometric characterization in biribazeiro (Rollinia mucosa [Jacq.]). Rev. Bras. Frutic. [online]. 2014, vol.36, n.spe1, pp.272-280. ISSN 0100-2945.  https://doi.org/10.1590/S0100-29452014000500032.

The biribazeiro (Rollinia mucosa [Jacq.]) is a native fruit of Central America and South America that stands out from the other species of the genus because it has large and edible fruits. Considering that little is known about the anatomy of the plant, the type of reserve of the seed, as well as little is known about the DNA content of species of Annonaceae family, this study aimed to characterize seeds histochemically and seedlings anatomically, and determine DNA content of biribazeiro (Rollinia mucosa [Jacq.]). The seedlings were obtained from seeds collected in the Amazon region by Embrapa Roraima and then, sent to UFLA, Federal University of Lavras, Minas Gerais State. The pulp of the fruits were extracted and the seeds were previously washed and sown in trays of 48 cells containing sawdust as substrate, remaining in a germination chamber at 30ºC for 90 days. A histochemical analysis, anatomical characterization and determination of DNA content of the plants obtained were made. The main conclusions of this research were: (1) the seeds of Biribazeiro (Rollinia mucosa) present mainly lipid reserve, (2) The cross-sections of the leaf blade indicate dorsiventral organization, hypostomatic with paracitic stomata and trichomes on both sides of the sheet (3) the leaves of biribazeiro have on average 4.77 pg of DNA.

Palavras-chave : Anonaceae; anatomy; histochemistry; flow cytometry.

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