publication . Article . Other literature type . 2014

Sexual Hieracium pilosella plants are better inter-specific, while apomictic plants are better intra-specific competitors

Bernhard Schmid; Ueli Grossniklaus;
Open Access
  • Published: 01 Jan 2014 Journal: Perspectives in Plant Ecology, Evolution and Systematics, volume 16, pages 43-51 (issn: 1433-8319, Copyright policy)
  • Publisher: Elsevier BV
  • Country: Switzerland
Abstract
Abstract Apomixis, asexual reproduction through seeds, occurs in over 40 plant families. This widespread phenomenon can lead to the fixation of successful genotypes, resulting in a fitness advantage. On the other hand, apomicts are expected to lose their fitness advantage if the environment changes because of their limited evolutionary potential, which is due to low genetic variability and the potential accumulation of deleterious somatic mutations. Nonetheless, some apomicts have been extremely successful, for example certain apomictic accessions of Hieracium pilosella L. from New Zealand, where the plant is invasive. Here, we investigate whether the success of...
Subjects
free text keywords: Department of Plant and Microbial Biology, Institute of Evolutionary Biology and Environmental Studies, Zurich-Basel Plant Science Center, 570 Life sciences; biology, 590 Animals (Zoology), 580 Plants (Botany), Apomixis, Sexuality, Inter-specific competition, Intra-specific competition, Invasiveness, Plant Science, Ecology, Evolution, Behavior and Systematics
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