Sökning: "Compositae"
Visar resultat 1 - 5 av 8 avhandlingar innehållade ordet Compositae.
1. Seed dormancy and germination in an ecological context : comparative studies of annual weeds
Sammanfattning : Germination ecology studies, i.e. studies of interactions between characteristics of the seeds and environmental circumstances, provide understanding of spatial and temporal patterns of emergence of wild species, as weeds in the field. A large number of species have seed dormancy, i. LÄS MER
2. Studies in the Inuleae-Inulinae (Compositae)
Sammanfattning : .... LÄS MER
3. Taxonomy of Relhania and Rosenia (Compositae)
Sammanfattning : .... LÄS MER
4. Palynology of Hypochoeridinae and Scolyminae (Compositae)
Sammanfattning : Pollen grains of 35 species representing all 7 genera of the subtribe Hypochoeridinae, and Scolymus hispanicus of the subtribe Scolyminae were examined by LM, SEM and TEM. The pollen grains of annual species are usually smaller than those of perennial ones. The Hypochoeridinae possesses essentially tricolpororate,echinolophate pollen grains. LÄS MER
5. Embryological studies in the Compositae. 1-3
Sammanfattning : .... LÄS MER