Figure 5. TV626 soybean yield following treatment with three rates of quinclorac at three growth stages in 1990, 1991, and 1992. V1 = unifoliolate leaves expanded, V5 = 4 trifoliolate leaves expanded, and R1 = initial bloom (10% of plants with blooms). Means within a year having the same letter(s) do not differ at P = 0.05 according to DMRT.