Figure 3. Expression of Cry1A in terminal leaves for 8 transgenic varieties planted at two sites: A) Silt-loam soil, Site#1; B) Clay soil, Site#2. All varieties examined were "DP" or "NuCOTN" (see Table 1). Blue line, NuCOTN 33B; red line, DP 458B/RR; black lines, 6 additional Bt varieties.