When it pays to cheat: Examining how generalized food deception increases male and female fitness in a terrestrial orchid
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Mendeley | Further Information

{"title"=>"When it pays to cheat: Examining how generalized food deception increases male and female fitness in a terrestrial orchid", "type"=>"journal", "authors"=>[{"first_name"=>"Ryan P.", "last_name"=>"Walsh", "scopus_author_id"=>"56303394300"}, {"first_name"=>"Helen J.", "last_name"=>"Michaels", "scopus_author_id"=>"7004904450"}], "year"=>2017, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-85011278118", "sgr"=>"85011278118", "doi"=>"10.1371/journal.pone.0171286", "pui"=>"614240263", "isbn"=>"1111111111", "issn"=>"19326203"}, "id"=>"eda0492a-8648-3173-b217-63166ec99364", "abstract"=>"© 2017 Walsh, Michaels. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.Background: Experimental manipulations of floral nectar in food deceptive species can reveal insights into the evolutionary consequences of the deceptive strategy. When coupled to pollen tracking, the effects of the deceptive pollination syndrome on both male and female reproductive success may be quantified. Attraction of pollinators in deceit-pollinated species often relies on producing a conspicuous floral display which may increase visibility to pollinators, but inturn may increase within plant selfing. Methodology: To understand the role of deception in Orchidaceae reproduction we studied Cypripedium candidum. All species of the Cypripedium genus employ a generalized food deceptive pollination strategy and have been suggested as a model system for the study of pollinator deception. We conducted a nectar addition experiment that randomly assigned the four plants closest to a transect point to receive one of four histochemical dyes. Two individuals selected for nectar addition in each of altogether 25 blocks received 2μl of 25% sucrose solution in the labellum of each flower, while two others received no artificial nectar. Number of fruits produced, fruit mass and fruit abortion were scored at the end of the four-month experiment. Results: Nectar addition increased (p<0.0001) self-pollination and pollen discounting by nearly 3x, while plants not receiving nectar had greater (p<0.0001) numbers of non-self pollinia deposited and lower rates of pollen discounting. There was a non-significant (p = 0.0645) trend for deceptive plants to set more fruit, while presence of nectar did not affect pollen export. Conclusions: This study demonstrates the adaptive advantages of food deception by showing a concurrent reduction in particular male and female functions when a food reward is restored to a deceptive flower. We found generalized food deception to not only decrease inbreeding depression in the system, but concurrently have no effect on pollinator attraction and fruit set when compared with rewarding flowers. Copyright:", "link"=>"http://www.mendeley.com/research/it-pays-cheat-examining-generalized-food-deception-increases-male-female-fitness-terrestrial-orchid", "reader_count"=>20, "reader_count_by_academic_status"=>{"Unspecified"=>4, "Researcher"=>4, "Student > Ph. D. Student"=>2, "Student > Master"=>5, "Other"=>2, "Student > Bachelor"=>1, "Lecturer"=>1, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>4, "Researcher"=>4, "Student > Ph. D. Student"=>2, "Student > Master"=>5, "Other"=>2, "Student > Bachelor"=>1, "Lecturer"=>1, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>4, "Environmental Science"=>3, "Biochemistry, Genetics and Molecular Biology"=>1, "Agricultural and Biological Sciences"=>10, "Business, Management and Accounting"=>1, "Psychology"=>1}, "reader_count_by_subdiscipline"=>{"Psychology"=>{"Psychology"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>10}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>4}, "Environmental Science"=>{"Environmental Science"=>3}}, "reader_count_by_country"=>{"Brazil"=>1}, "group_count"=>0}

Scopus | Further Information

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