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The Center for Pollinator Research

  • Pennsylvania's Pollinators
    • Pennsylvania's Pollinators
    • What is a pollinator?
    • Checklist of PA Bees
    • Become a Beekeeper
  • Bee Health
    • Bee Health
    • Habitat Loss
    • Diseases
    • Diagnostic Labs
    • Pesticides
    • Climate Change
    • Pennsylvania Pollinator Protection Plan (P4)
    • Beescape
    • Bee Winterwise
  • Landscaping for Pollinators
    • Landscaping for Pollinators
    • What to Plant
    • Nesting Sites
    • Pollinator Habitat Certification
  • Resource Library
    • Resource Library
    • Classroom Materials
    • Image Library
  • Research
    • Research
    • Research Laboratories
    • The Penn State Honey and Pollen Diagnostic Lab
    • BeeShiny
    • Student Research Awards
    • Funding and Gifts
    • Conferences
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    • Our People
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  4. Andrew Stephenson

Andrew Stephenson

  • Email as4@psu.edu
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Dr. Stephenson's research focuses on the ecology and evolution of plant reproduction. Current projects include studies of the effects of growing conditions (soil nutrients, mycorrhizal infection levels, and herbivory) on the number, size, chemical composition, and performance of pollen, the effects of inbreeding on pollen performance, and in vivo pollen selection for tolerance to high temperatures. Our experimental approaches to these problems range from greenhouse and garden studies employing quantitative genetic designs through the use of morphological, biochemical, and molecular genetic markers to the deployment of a variety of physiological, developmental, and molecular techniques.

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