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Sears' goatgrass

Scientific Name: Aegilops searsii

Family: Poaceae

Category: Monocot

Growth:

Duration:

Other Names:

       

Aegilops searsii (Sears' Goatgrass)

Aegilops searsii, commonly known as Sears' goatgrass, is a wild relative of wheat belonging to the grass family. This page provides information about its taxonomy, distribution, and other characteristics.

Taxonomy and Nomenclature

  • Scientific Name: Aegilops searsii M. Feldman &amp M. Kislev
  • Common Name: Sears' goatgrass
  • Rank: Species
  • Family: Poaceae (grasses, gramines)
  • Genus: Aegilops L. (goatgrass)
  • Synonyms:
    • Sitopsis searsii (Feldman &amp Kislev) .Lve
    • Triticum searsii Feldman &amp Kislev

Distribution and Habitat

While the text doesn't explicitly detail the geographic distribution of Aegilops searsii, it implies that it can tolerate minimum temperatures a few degrees below zero and can be grown outdoors in the spring. The plant is potentially associated with areas around China Spring and wheat-growing regions.

Morphological Characteristics and Growth Habits

  • Growth Habit: Graminoid
  • Duration: The text does not specify if it is annual, perennial, etc.

Genetic Information

Aegilops searsii is a diploid wild relative of wheat. Research has focused on transferring genes from Aegilops searsii into wheat to improve its genetic diversity, including genes related to grain softness and resistance to certain diseases. Studies have involved the manipulation of goatgrass chromatin within the wheat genome.

Interactions with Other Organisms

Aegilops searsii is closely related to wheat and jointed goatgrass. Research has explored gene flow between Aegilops searsii and wheat, particularly concerning traits like disease resistance. It is also mentioned in connection with the evolutionary variation of an aromatic alcohol dehydrogenase in wheat and goatgrass species.

Further Information

  • The text references research by Sears, E.R., Kihara, Kimber and others.
  • GenBank is mentioned in relation to high molecular weight glutenin subunits of Aegilops searsii.