ISHS Acta Horticulturae 288: VI International Symposium on Pollination
COMPARATIVE POLLINATION ECOLOGY OF TWO RARE DUTCH GENTIANA SPECIES, IN RELATION TO POPULATION SIZE |
| Authors: | T. Petanidou, Hans C.M. den Nijs, A. C. Ellis-Adam |
| Abstract:
Gentiana pneumonanthe and G. cruciata need a pollination vector to secure their reproductive success, although no genetical barrier prevents selfing. Their pollination is mainly carried out by bumblebees (Bombus pascuorum). There is a dramatic reduction in reproductive output for both species when population size (number of flowering individuals) decreases too much. | |
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