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|Type:||Artigo de periódico|
|Title:||Chromosome studies in Brazilian species of Campomanesia Ruiz & Pavon and Psidium L. (Myrtaceae Juss.)|
|Abstract:||In this work, we carried out chromosome counts of four species of Campomanesia (C. adamantium, C. guaviroba, C. phaea and C pubescens) and four of Psidum (P. acutangulum, P. cattleyanum, P. cinereum and P. guajava) from different populations. In Campomanesia, 2n=22 was found in all of the species analyzed, and no polyploidy was seen, For Psidium, only P. guajava had 2n=22 and another three species had 2n=44. No abnormalities in meiosis were observed. High levels of pollen stainability (> 80%) was seen in all species. About 50% of Myrtinae species were polyploid, indicating the importance of polyploidy in the evolution of this group.|
Myrtoideae and Polyploidy
|Editor:||Univ Florence Botany Inst|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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