Results 101 to 110 of about 81,827 (312)

Long‐term demography and spatial genetic structure reveal mechanisms of Sassafras albidum population persistence through clonality

American Journal of Botany, EarlyView.
Abstract Premise Vegetative regeneration is a key mechanism of woody plant persistence in forest ecosystems, and the coupled roles of basal sprouting and clonal growth in shaping long‐term population dynamics have been understudied. Basal sprouting replaces stems at fixed ramet locations, whereas clonal growth via root suckering produces spatially ...
J. T. Michel, Jonathan P. Evans, Skyler J. Fox, Ashley B. Morris   +3 more
wiley   +1 more source

The role of cone volatiles and thermogenesis in the pollination of Encephalartos cycads with particular reference to E.villosus

, 2011
Includes abstract.Includes bibliographical references.Pollination systems of cycads usually involve obligate mutualisms in which the cycad taxa depend on between one and three insect pollinators.
Suinyuy, Terence Nkwanwir
core  

Pollination by long‐proboscid horseflies and its implications for reproductive isolation among coflowering Satyrium orchids in South Africa

American Journal of Botany, EarlyView.
Abstract Premise Floral adaptations to pollinators can drive lineage diversification and promote coexistence of species. We investigated the reproductive biology of Satyrium longicolle, a South African orchid that we hypothesized to belong to a long‐proboscid horsefly pollination guild and examined overlap of pollinators and floral traits among ...
Steven D. Johnson, Matthew Moir, Ethan Newman, Timotheüs Van der Niet   +3 more
wiley   +1 more source

Mosquitoes Pollinating Orchids [PDF]

Science, 1913
n ...
openaire   +3 more sources

A horizon scan of future threats and opportunities for pollinators and pollination

, 2016
Background. Pollinators, which provide the agriculturally and ecologically essential service of pollination, are under threat at a global scale. Habitat loss and homogenisation, pesticides, parasites and pathogens, invasive species, and climate change ...
Sarina Jepsen, Jane C. Stout, Lynn V Dicks (13593814), Brown, Mark J. F., Stout, Jane Catherine, Claire Kremen (147400), Katherine C.R. Baldock, Stout, Jane C., Robert J Paxton, Kremen, Clare, Stout, Jane C, Robert J. Paxton, Brown, Mark JF, Claire Kremen, David E Pattemore (16235201), Marie-Pierre Chauzat, Dicks, Lynn V., Brown, Mark, Lynn V. Dicks, Breno M Freitas (16235198), Jepsen, Sarina, Katherine C R Baldock, Baldock, Katherine C. R., Colleen L Seymour (16235204), Jilian Li (299768), Kremen, Claire, Jilian Li, Breno M Freitas, Seymour, Colleen L., Schweiger, Oliver, Colleen L Seymour, Marie-Pierre Chauzat (483982), Dave Goulson (4460962), Simon G Potts (3341207), Potts, Simon G, Seymour, Colleen L, Simon G Potts, Dave Goulson, Li, Jilian, David E. Pattemore, Colleen L. Seymour, Freitas, Breno M., Robert J Paxton (16081157), Brown, Mark J.F., Mark JF Brown, Brown, Mark J. F, Katherine C R Baldock (16235195), Dicks, Lynn V, David E Pattemore, Freitas, Breno M, Pattemore, David E., Baldock, Katherine C. R, Sarina Jepsen (11719027), Paxton, Robert J, Jane C Stout (16169279), Paxton, Robert J., Chauzat, Marie-Pierre, Lynn V Dicks, Andrew B Barron (8773178), Breno M. Freitas, Oliver Schweiger, Jane C Stout, Barron, Andrew B., Baldock, Katherine CR, Barron, Andrew B, Baldock, Katherine, Mark J F Brown (16163399), Baldock, Katherine C.R., Neumann, Peter, Andrew B. Barron, Mark J.F. Brown, Andrew B Barron, Goulson, Dave, Peter Neumann (15632), Potts, Simon G., Peter Neumann, Pattemore, David E, Simon G. Potts, Oliver Schweiger (163093)   +78 more
core   +1 more source

Butterflies and moths - agents of pollinator-mediated selection and species separation in the two closely related carnations "Dianthus carthusianorum" and "D. sylvestris" [PDF]

, 2009
Angiosperms represent the most diverse and dominant group of plant organisms. With more than 250’000 species worldwide they outnumber by far other plant groups like mosses, ferns or gymnosperms. Flowering plants conquered the world’s terrestrial habitats
Bloch, Daniel
core   +1 more source

Allergic Rhinitis Amplifies Asthma Risk in Patients With Chronic Rhinosinusitis: A Large‐Scale Retrospective Cohort Analysis

International Forum of Allergy &Rhinology, EarlyView.
ABSTRACT Background Chronic rhinosinusitis (CRS) and allergic rhinitis (AR) are two highly prevalent airway diseases in the United States. While the coexistence of CRS and asthma is well recognized, less is known about the development of new‐onset asthma in CRS, particularly in the context of comorbid AR. This study assessed the impact of CRS and AR on
Austin J. Lee, Mohamad R. Chaaban
wiley   +1 more source

Optimized Selenium‐Doped Nanocomposites for Enhanced Polymer Gel Performance in Permeability Reduction

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Excessive water production in mature oil fields necessitates robust shut‐off treatments, yet conventional polymer gels often fail under high‐temperature and high‐salinity conditions. This study aims to enhance gel thermal stability and mechanical strength by incorporating selenium‐doped Ag/AgO–ZnO nanocomposites synthesized via a novel green ...
Fadhil F. Sead, Farag M. A. Altalbawy, M. Sudhakara Reddy, Badri Narayan Sahu, Sridharan Sundharam, Sanjeev Kumar, Atreyi Pramanik, Aseel Smerat, Fatimah Pashtun   +8 more
wiley   +1 more source

The pollination requirement of the field bean (vicia faba)

, 1960
Many of the flowers on field bean plants fail to produce pods even when fully pollinated. When insect pollination is prevented pod production on the lowest inflorescences, which normally produce most pods, is reduced but a compensatory increase on the ...
Wort, D. A., Riedel, I. B. M.
core   +1 more source

Development and Characterization of ZnO‐Filled and Maleic Anhydride‐Compatibilized PP/SEBS Blends for 3D‐Printing Filaments

Journal of Applied Polymer Science, EarlyView.
PP/SEBS/MA/ZnO filaments produced by bench‐top single‐screw extrusion show refined morphology, increased crystallinity, improved thermal robustness, and preliminary FFF printability, demonstrating a practical route for functional filament development. ABSTRACT Currently, single‐screw extrusion offers a versatile and accessible route to produce polymer ...
Chiara das Dores do Nascimento, Cesar Aguzzoli, Everton Granemann Souza, Ana Cristina Beitia Kraemer Moraes, Fabricio Celso, Patricia Oliveira Schmitt, Lincoln Audrew Cordeiro, Fernanda Langone, Marlon Bender Bueno Rodrigues, Luana Vaz Tholozan, Neftali Lenin Villarreal Carreno, André Luiz Missio, Amanda Dantas de Oliveira   +12 more
wiley   +1 more source