Intergeneric Hybrids between Weigela and Diervilla (Caprifoliaceae)

Evolution of fruit and seed characters in the Diervilla and Lonicera clades (Caprifoliaceae, Dipsacales).

BACKGROUND AND AIMS The Diervilla and Lonicera clades are members of the family Caprifoliaceae (Dipsacales sensu Donoghue et al., 2001, Harvard Papers in Botany 6: 459-479). So far, the intergeneric relationships of the Lonicera clade and the systematic position of Heptacodium remain equivocal. By studying fruit and seed morphology and anatomy, an attempt is made to clarify these issues. In add...

A Summary of Intergeneric New World Quail Hybrids, and a New Intergeneric Hybrid Combination

[Genomic in situ hybridization in intergeneric hybrids between Raphanus sativus and Brassica oleracea].

Genomic in situ hybridization (GISH) was applied to study the meiosis of F1 plants from intergeneric hybrids between radish (Raphanus sativus, 2n=18, RR) and cabbage (Brassica oleracea, 2n=18, CC). The result showed that its somatic cells had the expected chromosomes, RC, 2n=18; but the pollen mother cells (PMCs) were different. There were three main kinds of PMCs. The first one was RC (2n=18),...

Analysis of the Meiotic Segregation in Intergeneric Hybrids of Tilapias

Tilapia species exhibit a large ecological diversity and an important propensity to interspecific hybridisation. This has been shown in the wild and used in aquaculture. However, despite its important evolutionary implications, few studies have focused on the analysis of hybrid genomes and their meiotic segregation. Intergeneric hybrids between Oreochromis niloticus and Sarotherodon melanothero...

Different timing and spatial separation of parental chromosomes in intergeneric somatic hybrids between Brassica napus and Orychophragmus violaceus.

Experimental and newly formed hybrids and polyploids generated by wide crosses usually show varying degrees of cytological instability. The spatial separation of parental genomes and uniparental chromosome elimination in hybrid cells has been reported in many hybrids from plants and animals. Herein, the behavior of parental genomes in intergeneric somatic hybrids between Brassica napus and Oryc...