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Background A great interest exists in the production of hybrid plants of the genus Passiflora given the beauty and exotic features of its flowers which have ornamental value. Hybrid paternity confirmation is therefore important for assuring germplasm origin, and is typically carried out by molecular marker segregation. The aim of this study was to karyotypically characterize the chromosome heritance...
Morphological characterization and genetic parameter estimation were performed in four progenies obtained by backcrossing the donor genitor Passiflora sublanceolata and four recurrent genitor F1 HD13 hybrids (P. sublanceolata vs. P. foetida). The use of two different germination methodologies showed the existence of significant differences between the germination potential of two-way crossing, indicating...
Thirteen wild species of Passiflora were analyzed using conventional and CMA/DA/DAPI staining to evaluate the karyotype diversity between and within the subgenus Decaloba and Passiflora. The karyotypic features indicate that both subgenera have a conserved chromosome number, as reported before for several species. Submetacentric (sm) chromosomes were found in species from both subgenera, suggesting...
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