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2021 Update: Dust experiment

In summer 2021, we began a project to look at the effect of dust on reproduction of Echinacea. We randomly assigned treatments of ‘dust’ or ‘no dust’ to 41 heads in ExPt2 that were on first or second-day of flowering at the onset of our treatments. For ‘dust’ plants, we applied ~1g dust with a sifter to the top of each head at least once every three days until the heads were no longer flowering. Team Dust consisted of Emma, Alex, Kennedy, Mia, and I. We harvested the treatment heads at the end of the season. Unfortunately, we were only able to harvest 18 seedheads due to rodent herbivory. We will evaluate their seed set in Winter 2022.

  • Start year: 2021
  • Location: ExPt2
  • Overlaps with: None
  • Data collected: We collected style persistence data from treatment seedheads. Data has been double-entered and verified and is located in Dropbox/teamEchinacea2021/teamDust/p2DustTreatments_de.csv
  • Samples or specimens collected: We collected 18 seedheads, which are currently in the R. Shaw Lab in the Ecology building at UMN.
  • Products: None yet!

You can read more about the dust experiment in flog entries from summer 2021.

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