Demand-Driven Technologies for Sustainable Maize ... - IITA

215Table 9. Total P exported in grain of maize following soybean genotypes previously grown under low and high P conditions at three locations 1 .LocationShika Fashola DaviéGenotype 0P 15P 2 RP TSP 0P 15P RP TSP 0P 15P RP TSPTGm1251 2.75 4.90 4.47 6.40 1.91 1.83 3.28 3.13 7.83 10.38 9.71 9.30TGm1420 1.56 4.26 5.28 4.55 2.24 4.71 2.67 4.87 7.35 9.82 17.19 12.84TGm1511 1.41 4.95 5.82 4.11 3.07 6.86 3.53 4.82 7.94 7.79 6.21 12.76TGm0944 1.68 7.94 4.53 4.12 1.76 4.04 4.08 3.56 11.33 14.28 11.40 13.13TGm1039 1.22 4.20 4.43 4.98 1.27 3.25 2.55 3.01 8.45 8.78 7.66 10.98TGm1196 1.67 4.29 6.39 4.46 1.55 2.54 1.77 2.59 9.79 11.21 9.63 11.83TGm1293 1.24 4.61 4.59 4.97 1.39 4.34 2.93 3.85 8.28 11.93 10.14 12.70TGm1360 1.56 2.97 4.72 3.84 1.94 3.02 3.06 3.66 8.78 9.67 8.95 10.83TGm1419 2.42 5.90 3.69 4.60 2.01 2.82 1.99 2.53 9.51 9.12 9.79 13.53TGm1540 1.64 3.84 4.46 6.24 3.45 4.96 2.15 2.70 9.53 18.50 11.14 10.72TGm1566 1.28 4.75 6.73 3.38 1.42 3.45 2.72 5.01 10.33 13.01 9.22 10.93TGm1576 2.56 3.93 4.00 4.05 2.53 5.06 2.01 2.88 8.22 9.59 8.86 12.62TGx1456-2E 0.75 6.24 4.26 5.13 2.26 5.19 3.61 4.88 9.04 12.11 13.38 11.46Mean (Soybean) 1.67 4.83 4.87 4.60 2.06 4.01 2.80 3.65 8.95 11.25 10.25 11.82Maize 1.06 4.54 4.37 2.66 1.54 2.91 3.15 4.69 8.92 10.60 9.16 8.25SEM 3 (P x Genotype) 0.85 1.06 2.17Mean (P) 1.63 b 4.81 a 4.84 a 4.46 a 2.02 b 3.93 a 2.82 b 3.73 a 8.95 b 11.20 a 10.17 ab 11.79 a1 Data represent means of 2003 maize trial following 2002 soybean genotypes,2 15 kg P ha-1applied at maize planting, and3 SEM, the standard error of the mean; Mean values followed by the same letter are not signifi cantly different at P ≤ 0.05 bySEM for the location.