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

74Table 7. Estimates of general combining ability (GCA) effects for grain yield (kg/ha) of 10 inbred lines evaluated in diallel crosses in Strigainfestedplots at Abuja, Mokwa, Ina, and Angaradébou in 2001 and 2002.InbredLinesAbuja2001Mokwa2001Ina2001Angar2001Zd 282 574.0*** 556.4*** -70.8 ns 254.3** 936.4*** 412.8 ns -670.6*** -272.4*Zd 290 815.7*** -197.2 ns 4.0 ns -169.0* 785.9*** 632.4* -120.6 ns 358.5*Zd 467 443.1** 306.6* 39.3 ns 108.3 ns -156.0 ns 552.6* 583.2** 505.4**Zd 472 228.7 ns 150.8 ns 112.7* 71.7 ns 611.8** 869.4** 249.3ns 236.7 nsZd 551 507.2** 156.3 ns 186.7*** 20.3 ns 679.5** 834.9** 344.4* 679.2***TZL TC 87 273.8* 188.3 ns -127.5** 96.6 ns 365.0 ns 757.5** 441.6** 358.3*9450 -259.5 ns -84.2 ns 175.3*** -161.4 ns -289.4 ns -194.8 ns 57.8 ns 55.5 nsAbuja2002Mokwa2002Ina2002Angar20029006 -754.5*** -93.3 ns -147.0** 15.8 ns -1020.4*** -610.9* -628.8*** -226.4 ns1393 -378.9** -169.9 ns -4.4 ns 136.3 ns -359.9 ns -857.6** 318.5* -518.7***5057 -1449.5*** -813.9*** -168.4*** -372.9*** -1553.1*** -2396.2*** -574.7** -1176.1***L.S.D (0.05) 299.7 292.3 90.9 187.7 426.6 572.1 335.9 297.0LSD= Least signifi cant difference between effects of two crosses having no parents in common, Angar= Angaradébou.*, **, *** Signifi cantly different from zero at the 0.05, 0.01 and 0.001 probability levels, respectively. ns = not signifi cant.