Table 1 Average, minimum (min) and maximum (max) values and trait heritability of CDC Cowboy, CDC Rattan and hulless RILs for the following traits. The experiment was conducted under field and greenhouse conditions.

‡ LW1 = Leaf width of the first leaf, LA1 = Leaf area of the first leaf, LDW1 = Leaf dry weight of the first leaf, LW2 = leaf width of the second leaf, LA2 = Leaf area of the second leaf, LDW2 = Leaf dry weight of the second leaf, SLA1 = Specific leaf area of the first leaf, SLA2 = Specific leaf area of the second leaf.