Figure 2. Interlinking Strategy 1 using superior lines from the subpopulation started 1 yr before the subpopulation under consideration, exemplified for two-stage testcross selection. RE, recombination; TC1 and TC2, first and second testcross evaluation, respectively.
Figure 3. Interlinking Strategy 2 using superior lines from the subpopulation started 1 yr after the subpopulation under consideration, exemplified for two-stage testcross selection. RE, recombination; TC1 and TC2, first and second testcross evaluation, respectively.
Figure 4. Annual genetic gain with interlinking Strategies 1 and 2 under the standard ratio of variance components (Scenario II) as a function of the proportion of lines selected from staggered Subpopulation j (PJ). An arrow () identifies the maximum for each recurrent selection procedure.