Abstract
Inbred lines have been extracted from a barley cross between Dissa (six-row ear type) and Sabarlis (two-row ear type) by single seed descent (SSD) and by the H. bulbosum doubled haploid (DH) technique. Estimates of the additive genetic variation from DH and SSD have been compared and demonstrate association between the V-v locus, which conditions ear type, and agronomically important characters. Characters contributing to plant height and biomass production are located near the V-v locus on barley chromosome 2I. The significance of the behaviour of such quantitative trait loci (QTL) and possible applications to plant breeding are discussed.
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