SciELO - Scientific Electronic Library Online

 
vol.28 número1Desempenho e uniformidade da distribuição de água de um pivô centralEstudo microscópico da madeira de sete-capotes, campomanesia guazumaefolia (camb.) Berg., Myrtaceae índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Ciência Rural

versão impressa ISSN 0103-8478

Resumo

COELHO, Liliana Gressler May  e  BATTISTIN, Alice. Citogenetics studies in five native species of Adesmia DC. (Leguminosae-Faboideae) in the Rio Grande do Sul, Brazil. Cienc. Rural [online]. 1998, vol.28, n.1, pp. 41-45. ISSN 0103-8478.  http://dx.doi.org/10.1590/S0103-84781998000100007.

Populations of Adesmia DC. species bicolores and psoraleoides series, nativo from Rio Grande do Sul, Brazil, were studied to determine the chromosome numbers (in 11 populations of 5 species) and Karyotypes (in 5 of these population in 4 species). All species studied regarding to the chromosome numbers were diploid (2n=2x=20) and in A. incana var. incana besides two diploid races there was one tetraploid race (2n=4x=40). A. incana should not be considered as a tetraploid species, as has been considered in the literature. A. bicolor 9614 seemed to be more ancient among the analized populations due to the high Karyotype symmetry. A. tristis seemed be more recent among the analysed populations due to the karyotype was highly asymmetry.

Palavras-chave : Adesmia DC; chromosomic number; karyotype.

        · resumo em Português     · texto em Português     · pdf em Português