Abstract
This study was conducted at two locations, The first was at University of Mosul, college of Agriculture Forestry the second was at Salah al Din governorate during the 2009-2010 season using new twenty four naked barley entries introduced from the International Center for Agricultural Research in the Dry Areas (ICARDA) in addition to the locally grown variety Rihane-3 under rain fed conditions in IRAQ. The characters studied were number of days to 50 % flowering, maturity date, plant height, spike length, number of grains / spike, number of spikes/ m2 , grain yield (kg/ha), biological yield (kg/ha), harvest index, 1000-grain weight. Entries were significantly different for all the characters. Phenotypic and genetic variances were highly significant for all the characters and therefore selection can be used for superior entry. Broad-sense heritability estimates were high for all the characters while there estimated were medium for harvest index character Mosul location and number of days to 50 % flowering character at Salah al Din location. The expected genetic advance values were high for number of grains / spike and harvest index for both locations.
