Objective
Over the last three centuries many species have been dispersed beyond their natural geographic limits by humans, but to our knowledge no reproductive isolation has been demonstrated for such neo-allopatric species. Centaurea solstitialis and C. sulphurea have overlapping distributions in their native and non-native ranges. Our preliminary results show that seed production of Californian inflorescences of both species, treated with pollen from Spanish populations of the same species, was 52% and 44% lower, respectively, than inflorescences pollinated with Californian pollen, suggesting that rapid reproductive isolation may have occurred between native and non-native ranges. Reproductive isolation between Californian and Spanish populations of C. solstitialis was 68% of the reproductive isolation for interspecific hybridization among these three species. Considering the large numbers of neo-allopatric species our results are unlikely to be unique. We already have seeds from Turkey and Georgia, the geographical speciation origin of the species; Spain, the last native range before the colonization of the Americas; Chile, the first American country to be colonized; and California, where the species present the most agressive invasive behavior and higher densities. With these seeds, we plan to obtain an F1 free of maternal effects and to cross-pollinate them to detect levels of reproductive isolation either pre-existing or newly developed in the non-native ranges. We will study the type of incompatibility by means of the study of pollen growth. We also plan to conduct reciprocal transplant experiments in Spain and California to study plant behavior in natural conditions (biomass, pollinator attraction, flower and seed production, herbivory) and to calculate phenotypic plasticity indexes for plants from both regions on both regions. Finally we will study the genetic structure of the populations to try to correlate it with the detected reproductive barriers.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP7-PEOPLE-2012-CIG
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Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MC-CIG - Support for training and career development of researcher (CIG)
Coordinator
3004-531 COIMBRA
Portugal
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.