The exported winter rye form evolved in co-cultivation with spring-sown seasonal crops in Finland where the slash-and-burn and riihi traditions selected against the rachis brittleness of the weedy rye - Ahokas, Hannu (Interdisciplinary biology, agriculture, linguistics and antiquities, ISSN 1795-3650, 2009)
Keywords: Colonialism; esihistoria; etymologia; historia; kansatiede; kaskiviljely; kasvit; kasvitiede; lainasanat; maanviljely; maatalous; nimet; ruis; siitepölyanalyysi; viljakasvit; viljanviljely; viljely; viljelykasvit; Suomi; Bromus secalinus; ergot; feral rye; külmit; loan words; plough; riihikuivaus; ruiskattara; seed trade; Thule; zyungorka rye