Flowering Time Diversification and Dispersal in Central Eurasian Wild Wheat Aegilops tauschii Coss.: Genealogical and Ecological Framework
2008

Flowering Time Variation in Central Eurasian Wild Wheat

Sample size: 200 publication Evidence: high

Author Information

Author(s): Matsuoka Yoshihiro, Takumi Shigeo, Kawahara Taihachi

Primary Institution: Fukui Prefectural University

Hypothesis

How is flowering time variation structured in Aegilops tauschii?

Conclusion

The study found significant geographic clines in flowering time, with early-flowering accessions primarily from southern habitats and late-flowering accessions from northern habitats.

Supporting Evidence

  • Flowering time varied from 144.0 to 190.0 days among accessions.
  • Significant longitudinal and latitudinal clines in flowering time were detected.
  • The early-flowering phenotype evolved in two intraspecific lineages.

Takeaway

This study looked at how long it takes wild wheat to flower in different places, finding that where the wheat grows affects how quickly it flowers.

Methodology

The study analyzed chloroplast DNA and conducted a common garden experiment with 200 accessions to assess flowering time variation.

Limitations

The study may not account for all environmental factors affecting flowering time variation.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pone.0003138

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