Effect of floral display on reproductive success in terrestrial orchids

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F06%3A00006540" target="_blank" >RIV/60076658:12310/06:00006540 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Effect of floral display on reproductive success in terrestrial orchids
Original language description
Almost one-third of all species in the family Orchidaceae offer no reward to insect pollinators. In the absence of a reward, floral display (number of flowers), may be the most important component of insect attraction but the role of floral display in capsule production of both deceptive (nectarless) and rewarding (nectariferous) orchids has not yet been satisfactorily explored. Based on our theoretical considerations, we propose and test here the following hypotheses: (i) deceptive species flower earlier than rewarding ones, (ii) reproductive success in deceptive species is lower than that in rewarding ones, (iii) reproductive success is independent of the number of flowers in the inflorescence in both deceptive and rewarding orchids. Our data supported hypotheses (i) and (ii). In 9 out of our 12 populations of deceptive species and in 10 out of 12 populations of rewarding species we found support for our hypothesis (iii).
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EH - Ecology - communities
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2006
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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