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dc.contributor.authorFlinn, Kathryn M.en_US
dc.contributor.authorSnow, Allison A.en_US
dc.coverage.spatialUMBS Campusen_US
dc.coverage.spatialUMBS Stationen_US
dc.date.accessioned2007-06-14T23:02:35Z
dc.date.available2007-06-14T23:02:35Z
dc.date.issued1999en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/54832
dc.description.abstractPollinator foraging behavior can be a major selective force on flower color polymorphisms in plant populations. Pollinators may prefer one color morph to another, increasing its relative reproductive success, or they may remain constant to either morph, effecting assortative mating. In wild radish, Raphanus raphanistrum, these behaviors affect not only the frequencies of flower color traits, but also the persistence of crop genes in wild populations, as white-flowered plants in predominantly yellow-flowered populations may indicate past hybridization with crop radish, R. sativus. A diversity of pollinators was observed in two artificial and two natural poulations in northern Michigan, and relative abundances and visitation rates were measured to estimate the relative importance of each taxon as it varied with time and site. Overall pollinator visitation was slightly but significantly biased toward the yellow-flowered morph in one of the two garden plots. Several taxa, including cabbage butterflies and syrphid flies, showed consistent preferences for yellow-flowered plants, although the preferences of most taxa were more variable. The majority also showed consistent but weak constancy toward the yellow-flowered morph. Site-, time- and taxon-specific preferences may thus combine to preserve low frequencies of white flowers in wild radish populations.en_US
dc.format.extent451564 bytes
dc.format.extent3144 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.relation.haspartGraphen_US
dc.relation.haspartTable of Numbersen_US
dc.subjectUndergraduate Research Exper.en_US
dc.subject.otherVASCULARen_US
dc.subject.otherPLANTSen_US
dc.subject.otherINSECTSen_US
dc.subject.otherINVERTEBRATESen_US
dc.subject.otherPOLLINATIONen_US
dc.subject.otherFLOWERen_US
dc.subject.otherVISITATIONen_US
dc.subject.otherREPRODUCTIONen_US
dc.subject.otherGENEen_US
dc.subject.otherFLOWen_US
dc.subject.otherSUCCESSen_US
dc.subject.otherCOLORen_US
dc.titleEffects of pollinator preference on flower color polymorphism in wild radish, Raphanus raphanistrum (Brassicaceae).en_US
dc.typeWorking Paperen_US
dc.subject.hlbsecondlevelNatural Resource and Environmenten_US
dc.subject.hlbtoplevelScienceen_US
dc.contributor.affiliationumBiological Station, University of Michiganen_US
dc.contributor.affiliationumcampusAnn Arboren_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/54832/1/3273.pdfen_US
dc.description.filedescriptionDescription of 3273.pdf : Access restricted to on-site users at the U-M Biological Station.en_US
dc.owningcollnameBiological Station, University of Michigan (UMBS)


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