Six-rowed barley originated from a mutation in a homeodomain-leucine zipper I-class homeobox gene.
Proc Natl Acad Sci U S A. 2007 Jan 23;104(4):1424-9. doi: 10.1073/pnas.0608580104. Epub 2007 Jan 12.
Proc Natl Acad Sci U S A. 2007.
PMID: 17220272
Free PMC article.