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Front Plant Sci. 2018 Sep 26;9:1357. doi: 10.3389/fpls.2018.01357. eCollection 2018.

Crop Domestication Alters Floral Reward Chemistry With Potential Consequences for Pollinator Health.

Frontiers in plant science

Paul A Egan, Lynn S Adler, Rebecca E Irwin, Iain W Farrell, Evan C Palmer-Young, Philip C Stevenson

Affiliations

  1. Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden.
  2. Department of Biology, University of Massachusetts Amherst, Amherst, MA, United States.
  3. Department of Applied Ecology, North Carolina State University, Raleigh, NC, United States.
  4. Royal Botanic Gardens, Kew, Richmond, United Kingdom.
  5. Natural Resources Institute, University of Greenwich, London, United Kingdom.

PMID: 30319666 PMCID: PMC6169423 DOI: 10.3389/fpls.2018.01357

Abstract

Crop domestication can lead to weakened expression of plant defences, with repercussions for herbivore and pathogen susceptibility. However, little is known about how domestication alters traits that mediate other important ecological interactions in crops, such as pollination. Secondary metabolites, which underpin many defence responses in plants, also occur widely in nectar and pollen and influence plant-pollinator interactions. Thus, domestication may also affect secondary compounds in floral rewards, with potential consequences for pollinators. To test this hypothesis, we chemically analysed nectar and pollen from wild and cultivated plants of highbush blueberry (

Keywords: Bombus impatiens; Vaccinium; crop evolution; domestication; floral rewards; phytochemicals; pollinator health; pollinator-pathogen interactions

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