Impact of enhanced ultraviolet-B radiation on flower, pollen, and nectar production
Intensified ultraviolet-B radiation or UV-B (wavelengths between 280 and 320 nm) can delay flowering and diminish lifetime flower production in a few plants. Here we studied the effects of enhanced UV-B on floral traits crucial to pollination and pollinator reproduction. We observed simultaneous flo...
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| Veröffentlicht in: | American journal of botany 1999-01, Vol.86 (1), p.108-114 |
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| creator | Sampson, Blair J. Cane, James H. |
| description | Intensified ultraviolet-B radiation or UV-B (wavelengths between 280 and 320 nm) can delay flowering and diminish lifetime flower production in a few plants. Here we studied the effects of enhanced UV-B on floral traits crucial to pollination and pollinator reproduction. We observed simultaneous flowering responses of a new crop plant, Limnanthes alba (Limnathaceae), and a wildflower, Phacelia campanularia (Hydrophyllaceae), to five lifetime UV-B dosages ranging between 2.74 and 15.93 kJ·m-2·d-1. Floral traits known to link plant pollination with bee host preference, host fidelity and larval development were measured. Intensified UV-B had no overall effect on nectar and pollen production of L. alba and P. campanularia flowers. A quadratic relationship between UV-B and nectar sugar production occurred in P. campanularia and showed that even subambient UV-B dosages can be deleterious for a floral trait. Other floral responses to UV-B were more dramatic and idiosyncratic. As UV-B dosage increased, L. alba plants were less likely to flower, but suffered no delays in flowering or reductions to lifetime flower production for those that did flower. Conversely, an equal proportion of P. campanularia plants flowered under all UV-B treatments, but these same plants experienced delayed onset to bloom and produced fewer flowers at greater UV-B intensities. Therefore, intensified UV-B elicits idiosyncratic responses in flowering phenology and flower production from these two annual plants. Diurnal patterns in nectar and pollen production strongly coincided with fluctuating humidity and only weakly with UV-B dosage. Overall, our results indicated that intensified UV-B can alter some flowering traits that impinge upon plant competition for pollinator services, as well as plant and pollinator reproductive success. |
| doi_str_mv | 10.2307/2656959 |
| format | Article |
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Here we studied the effects of enhanced UV-B on floral traits crucial to pollination and pollinator reproduction. We observed simultaneous flowering responses of a new crop plant, Limnanthes alba (Limnathaceae), and a wildflower, Phacelia campanularia (Hydrophyllaceae), to five lifetime UV-B dosages ranging between 2.74 and 15.93 kJ·m-2·d-1. Floral traits known to link plant pollination with bee host preference, host fidelity and larval development were measured. Intensified UV-B had no overall effect on nectar and pollen production of L. alba and P. campanularia flowers. A quadratic relationship between UV-B and nectar sugar production occurred in P. campanularia and showed that even subambient UV-B dosages can be deleterious for a floral trait. Other floral responses to UV-B were more dramatic and idiosyncratic. As UV-B dosage increased, L. alba plants were less likely to flower, but suffered no delays in flowering or reductions to lifetime flower production for those that did flower. Conversely, an equal proportion of P. campanularia plants flowered under all UV-B treatments, but these same plants experienced delayed onset to bloom and produced fewer flowers at greater UV-B intensities. Therefore, intensified UV-B elicits idiosyncratic responses in flowering phenology and flower production from these two annual plants. Diurnal patterns in nectar and pollen production strongly coincided with fluctuating humidity and only weakly with UV-B dosage. Overall, our results indicated that intensified UV-B can alter some flowering traits that impinge upon plant competition for pollinator services, as well as plant and pollinator reproductive success.</description><identifier>ISSN: 0002-9122</identifier><identifier>EISSN: 1537-2197</identifier><identifier>DOI: 10.2307/2656959</identifier><identifier>PMID: 21680350</identifier><identifier>CODEN: AJBOAA</identifier><language>eng</language><publisher>United States: Botanical Soc America</publisher><subject>APPLICATION RATES ; AZUCARES ; Bees ; BIOLOGICAL DEVELOPMENT ; BIOLOGICAL DIFFERENCES ; BIOLOGICAL RHYTHMS ; BIOSINTESIS ; BIOSYNTHESE ; BIOSYNTHESIS ; DESARROLLO BIOLOGICO ; DEVELOPPEMENT BIOLOGIQUE ; DIFERENCIAS BIOLOGICAS ; DIFFERENCE BIOLOGIQUE ; DOSE D'APPLICATION ; DOSIS DE APLICACION ; Ecology ; ETAPAS DE DESARROLLO DE LA PLANTA ; FECUNDITY ; FENOLOGIA ; FERTILIDAD ; FERTILITE ; FERTILITY ; FLEUR ; FLORACION ; FLORAISON ; FLORES ; FLOWERING ; FLOWERS ; Flowers & plants ; Honey bees ; HOST RANGE ; HOSTS ; HOTE ; HUESPEDES ; HUMEDAD RELATIVA ; HUMIDITE RELATIVE ; Hydrophyllaceae ; Insect pollination ; Insect reproduction ; LARVAE ; LARVAS ; LARVE ; Limnanthaceae ; Limnanthes ; LIMNANTHES ALBA ; NECTAR ; PHACELIA ; PHACELIA CAMPANULARIA ; PHENOLOGIE ; PHENOLOGY ; PLANT DEVELOPMENTAL STAGES ; Plants ; POLEN ; POLINIZACION ; POLINIZADORES ; POLLEN ; POLLINATION ; POLLINATORS ; POLLINISATEUR ; POLLINISATION ; RADIACION ULTRAVIOLETA ; RAYONNEMENT ULTRAVIOLET ; RELATIVE HUMIDITY ; RITMOS BIOLOGICOS ; RYTHME BIOLOGIQUE ; SPECIES DIFFERENCES ; STADE DE DEVELOPPEMENT VEGETAL ; SUCRES ; SUGARS ; TEMPS ; TIEMPO ; TIME ; ULTRAVIOLET RADIATION ; ultraviolet‐B radiation</subject><ispartof>American journal of botany, 1999-01, Vol.86 (1), p.108-114</ispartof><rights>Copyright 1999 Botanical Society of America, Inc.</rights><rights>1999 Botanical Society of America</rights><rights>Copyright Botanical Society of America, Inc. Jan 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4478-472452e25ad6a674abf0cc328b4b9a9fc5670ad998ca445dd138ec1f951cf7e3</citedby><cites>FETCH-LOGICAL-c4478-472452e25ad6a674abf0cc328b4b9a9fc5670ad998ca445dd138ec1f951cf7e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/2656959$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/2656959$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,1416,1432,27923,27924,45573,45574,46408,46832,58016,58249</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21680350$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sampson, Blair J.</creatorcontrib><creatorcontrib>Cane, James H.</creatorcontrib><title>Impact of enhanced ultraviolet-B radiation on flower, pollen, and nectar production</title><title>American journal of botany</title><addtitle>Am J Bot</addtitle><description>Intensified ultraviolet-B radiation or UV-B (wavelengths between 280 and 320 nm) can delay flowering and diminish lifetime flower production in a few plants. Here we studied the effects of enhanced UV-B on floral traits crucial to pollination and pollinator reproduction. We observed simultaneous flowering responses of a new crop plant, Limnanthes alba (Limnathaceae), and a wildflower, Phacelia campanularia (Hydrophyllaceae), to five lifetime UV-B dosages ranging between 2.74 and 15.93 kJ·m-2·d-1. Floral traits known to link plant pollination with bee host preference, host fidelity and larval development were measured. Intensified UV-B had no overall effect on nectar and pollen production of L. alba and P. campanularia flowers. A quadratic relationship between UV-B and nectar sugar production occurred in P. campanularia and showed that even subambient UV-B dosages can be deleterious for a floral trait. Other floral responses to UV-B were more dramatic and idiosyncratic. As UV-B dosage increased, L. alba plants were less likely to flower, but suffered no delays in flowering or reductions to lifetime flower production for those that did flower. Conversely, an equal proportion of P. campanularia plants flowered under all UV-B treatments, but these same plants experienced delayed onset to bloom and produced fewer flowers at greater UV-B intensities. Therefore, intensified UV-B elicits idiosyncratic responses in flowering phenology and flower production from these two annual plants. Diurnal patterns in nectar and pollen production strongly coincided with fluctuating humidity and only weakly with UV-B dosage. Overall, our results indicated that intensified UV-B can alter some flowering traits that impinge upon plant competition for pollinator services, as well as plant and pollinator reproductive success.</description><subject>APPLICATION RATES</subject><subject>AZUCARES</subject><subject>Bees</subject><subject>BIOLOGICAL DEVELOPMENT</subject><subject>BIOLOGICAL DIFFERENCES</subject><subject>BIOLOGICAL RHYTHMS</subject><subject>BIOSINTESIS</subject><subject>BIOSYNTHESE</subject><subject>BIOSYNTHESIS</subject><subject>DESARROLLO BIOLOGICO</subject><subject>DEVELOPPEMENT BIOLOGIQUE</subject><subject>DIFERENCIAS BIOLOGICAS</subject><subject>DIFFERENCE BIOLOGIQUE</subject><subject>DOSE D'APPLICATION</subject><subject>DOSIS DE APLICACION</subject><subject>Ecology</subject><subject>ETAPAS DE DESARROLLO DE LA PLANTA</subject><subject>FECUNDITY</subject><subject>FENOLOGIA</subject><subject>FERTILIDAD</subject><subject>FERTILITE</subject><subject>FERTILITY</subject><subject>FLEUR</subject><subject>FLORACION</subject><subject>FLORAISON</subject><subject>FLORES</subject><subject>FLOWERING</subject><subject>FLOWERS</subject><subject>Flowers & plants</subject><subject>Honey bees</subject><subject>HOST RANGE</subject><subject>HOSTS</subject><subject>HOTE</subject><subject>HUESPEDES</subject><subject>HUMEDAD RELATIVA</subject><subject>HUMIDITE RELATIVE</subject><subject>Hydrophyllaceae</subject><subject>Insect pollination</subject><subject>Insect reproduction</subject><subject>LARVAE</subject><subject>LARVAS</subject><subject>LARVE</subject><subject>Limnanthaceae</subject><subject>Limnanthes</subject><subject>LIMNANTHES ALBA</subject><subject>NECTAR</subject><subject>PHACELIA</subject><subject>PHACELIA CAMPANULARIA</subject><subject>PHENOLOGIE</subject><subject>PHENOLOGY</subject><subject>PLANT DEVELOPMENTAL STAGES</subject><subject>Plants</subject><subject>POLEN</subject><subject>POLINIZACION</subject><subject>POLINIZADORES</subject><subject>POLLEN</subject><subject>POLLINATION</subject><subject>POLLINATORS</subject><subject>POLLINISATEUR</subject><subject>POLLINISATION</subject><subject>RADIACION ULTRAVIOLETA</subject><subject>RAYONNEMENT ULTRAVIOLET</subject><subject>RELATIVE HUMIDITY</subject><subject>RITMOS BIOLOGICOS</subject><subject>RYTHME BIOLOGIQUE</subject><subject>SPECIES DIFFERENCES</subject><subject>STADE DE DEVELOPPEMENT VEGETAL</subject><subject>SUCRES</subject><subject>SUGARS</subject><subject>TEMPS</subject><subject>TIEMPO</subject><subject>TIME</subject><subject>ULTRAVIOLET RADIATION</subject><subject>ultraviolet‐B radiation</subject><issn>0002-9122</issn><issn>1537-2197</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNp90l1r1TAcBvAgijtO8QuoBGF6s2pem-RyG1MnAy82r8P_pOlOD2lzlrSWfXszetxAUAiEkB_PQ14Qek3JJ8aJ-sxqWRtpnqAVlVxVjBr1FK0IIawylLED9CLnbVkaYdhzdMBorQmXZIWuLvoduBHHFvthA4PzDZ7CmOBXF4Mfq1OcoOlg7OKAy2hDnH06xrsYgh-OMQwNHrwbIeFdis3k7uFL9KyFkP2r_XyIrr-cX599qy5_fL04O7msnBBKV0IxIZlnEpoaaiVg3RLnONNrsTZgWidrRaAxRjsQQjYN5do72hpJXas8P0Qfl9jSfDv5PNq-y86HAIOPU7a65PNaK1Hkh_9KqrgskBT4_i-4jVMayiEso1Jrbgx97HUp5px8a3ep6yHdWUrs_WvY_WsU-W4fN6173zy4P9dfQLWAuQv-7l859uT7KSOU6OLfLH6bx5ge8x76jpbtTXezmbvkbe4hhNJO7TzPurbULjFvF9dCtHCTumx_XlFjDCGqfBn-Gyw2r0I</recordid><startdate>199901</startdate><enddate>199901</enddate><creator>Sampson, Blair J.</creator><creator>Cane, James H.</creator><general>Botanical Soc America</general><general>Botanical Society of America</general><general>Botanical Society of America, Inc</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>199901</creationdate><title>Impact of enhanced ultraviolet-B radiation on flower, pollen, and nectar production</title><author>Sampson, Blair J. ; Cane, James H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4478-472452e25ad6a674abf0cc328b4b9a9fc5670ad998ca445dd138ec1f951cf7e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>APPLICATION RATES</topic><topic>AZUCARES</topic><topic>Bees</topic><topic>BIOLOGICAL DEVELOPMENT</topic><topic>BIOLOGICAL DIFFERENCES</topic><topic>BIOLOGICAL RHYTHMS</topic><topic>BIOSINTESIS</topic><topic>BIOSYNTHESE</topic><topic>BIOSYNTHESIS</topic><topic>DESARROLLO BIOLOGICO</topic><topic>DEVELOPPEMENT BIOLOGIQUE</topic><topic>DIFERENCIAS BIOLOGICAS</topic><topic>DIFFERENCE BIOLOGIQUE</topic><topic>DOSE D'APPLICATION</topic><topic>DOSIS DE APLICACION</topic><topic>Ecology</topic><topic>ETAPAS DE DESARROLLO DE LA PLANTA</topic><topic>FECUNDITY</topic><topic>FENOLOGIA</topic><topic>FERTILIDAD</topic><topic>FERTILITE</topic><topic>FERTILITY</topic><topic>FLEUR</topic><topic>FLORACION</topic><topic>FLORAISON</topic><topic>FLORES</topic><topic>FLOWERING</topic><topic>FLOWERS</topic><topic>Flowers & plants</topic><topic>Honey bees</topic><topic>HOST RANGE</topic><topic>HOSTS</topic><topic>HOTE</topic><topic>HUESPEDES</topic><topic>HUMEDAD RELATIVA</topic><topic>HUMIDITE RELATIVE</topic><topic>Hydrophyllaceae</topic><topic>Insect pollination</topic><topic>Insect reproduction</topic><topic>LARVAE</topic><topic>LARVAS</topic><topic>LARVE</topic><topic>Limnanthaceae</topic><topic>Limnanthes</topic><topic>LIMNANTHES ALBA</topic><topic>NECTAR</topic><topic>PHACELIA</topic><topic>PHACELIA CAMPANULARIA</topic><topic>PHENOLOGIE</topic><topic>PHENOLOGY</topic><topic>PLANT DEVELOPMENTAL STAGES</topic><topic>Plants</topic><topic>POLEN</topic><topic>POLINIZACION</topic><topic>POLINIZADORES</topic><topic>POLLEN</topic><topic>POLLINATION</topic><topic>POLLINATORS</topic><topic>POLLINISATEUR</topic><topic>POLLINISATION</topic><topic>RADIACION ULTRAVIOLETA</topic><topic>RAYONNEMENT ULTRAVIOLET</topic><topic>RELATIVE HUMIDITY</topic><topic>RITMOS BIOLOGICOS</topic><topic>RYTHME BIOLOGIQUE</topic><topic>SPECIES DIFFERENCES</topic><topic>STADE DE DEVELOPPEMENT VEGETAL</topic><topic>SUCRES</topic><topic>SUGARS</topic><topic>TEMPS</topic><topic>TIEMPO</topic><topic>TIME</topic><topic>ULTRAVIOLET RADIATION</topic><topic>ultraviolet‐B radiation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sampson, Blair J.</creatorcontrib><creatorcontrib>Cane, James H.</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sampson, Blair J.</au><au>Cane, James H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of enhanced ultraviolet-B radiation on flower, pollen, and nectar production</atitle><jtitle>American journal of botany</jtitle><addtitle>Am J Bot</addtitle><date>1999-01</date><risdate>1999</risdate><volume>86</volume><issue>1</issue><spage>108</spage><epage>114</epage><pages>108-114</pages><issn>0002-9122</issn><eissn>1537-2197</eissn><coden>AJBOAA</coden><abstract>Intensified ultraviolet-B radiation or UV-B (wavelengths between 280 and 320 nm) can delay flowering and diminish lifetime flower production in a few plants. Here we studied the effects of enhanced UV-B on floral traits crucial to pollination and pollinator reproduction. We observed simultaneous flowering responses of a new crop plant, Limnanthes alba (Limnathaceae), and a wildflower, Phacelia campanularia (Hydrophyllaceae), to five lifetime UV-B dosages ranging between 2.74 and 15.93 kJ·m-2·d-1. Floral traits known to link plant pollination with bee host preference, host fidelity and larval development were measured. Intensified UV-B had no overall effect on nectar and pollen production of L. alba and P. campanularia flowers. A quadratic relationship between UV-B and nectar sugar production occurred in P. campanularia and showed that even subambient UV-B dosages can be deleterious for a floral trait. Other floral responses to UV-B were more dramatic and idiosyncratic. As UV-B dosage increased, L. alba plants were less likely to flower, but suffered no delays in flowering or reductions to lifetime flower production for those that did flower. Conversely, an equal proportion of P. campanularia plants flowered under all UV-B treatments, but these same plants experienced delayed onset to bloom and produced fewer flowers at greater UV-B intensities. Therefore, intensified UV-B elicits idiosyncratic responses in flowering phenology and flower production from these two annual plants. Diurnal patterns in nectar and pollen production strongly coincided with fluctuating humidity and only weakly with UV-B dosage. Overall, our results indicated that intensified UV-B can alter some flowering traits that impinge upon plant competition for pollinator services, as well as plant and pollinator reproductive success.</abstract><cop>United States</cop><pub>Botanical Soc America</pub><pmid>21680350</pmid><doi>10.2307/2656959</doi><tpages>7</tpages></addata></record> |
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| ispartof | American journal of botany, 1999-01, Vol.86 (1), p.108-114 |
| issn | 0002-9122 1537-2197 |
| language | eng |
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| source | JSTOR Archive Collection A-Z Listing; Wiley Free Content; EZB-FREE-00999 freely available EZB journals; Wiley Online Library All Journals |
| subjects | APPLICATION RATES AZUCARES Bees BIOLOGICAL DEVELOPMENT BIOLOGICAL DIFFERENCES BIOLOGICAL RHYTHMS BIOSINTESIS BIOSYNTHESE BIOSYNTHESIS DESARROLLO BIOLOGICO DEVELOPPEMENT BIOLOGIQUE DIFERENCIAS BIOLOGICAS DIFFERENCE BIOLOGIQUE DOSE D'APPLICATION DOSIS DE APLICACION Ecology ETAPAS DE DESARROLLO DE LA PLANTA FECUNDITY FENOLOGIA FERTILIDAD FERTILITE FERTILITY FLEUR FLORACION FLORAISON FLORES FLOWERING FLOWERS Flowers & plants Honey bees HOST RANGE HOSTS HOTE HUESPEDES HUMEDAD RELATIVA HUMIDITE RELATIVE Hydrophyllaceae Insect pollination Insect reproduction LARVAE LARVAS LARVE Limnanthaceae Limnanthes LIMNANTHES ALBA NECTAR PHACELIA PHACELIA CAMPANULARIA PHENOLOGIE PHENOLOGY PLANT DEVELOPMENTAL STAGES Plants POLEN POLINIZACION POLINIZADORES POLLEN POLLINATION POLLINATORS POLLINISATEUR POLLINISATION RADIACION ULTRAVIOLETA RAYONNEMENT ULTRAVIOLET RELATIVE HUMIDITY RITMOS BIOLOGICOS RYTHME BIOLOGIQUE SPECIES DIFFERENCES STADE DE DEVELOPPEMENT VEGETAL SUCRES SUGARS TEMPS TIEMPO TIME ULTRAVIOLET RADIATION ultraviolet‐B radiation |
| title | Impact of enhanced ultraviolet-B radiation on flower, pollen, and nectar production |
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