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

69Table 3. Mean squares of grain yield, number of ears/plant, host damage score, and number of emerged Striga plants at 10 weeks afterplanting from a combined ANOVA for diallel crosses of ten inbred lines tested at Abuja and Mokwa (Nigeria) from 2001 to 2002.Grain yield/infested plotGrain yield/non-infested plotNumber ofears/plantHostdamagescore/plotNumber ofemergedStriga plants/plotSource of variation DF038**Env 3 48884428.5** 233554927.2**64.70** 283773.83**0.13**Rep (Env) 8 5074519.3** 5858086.6**10.05** 10084.47**0.72**GCA 9 22601742.1** 3002618.8**43.01** 46175.48**0.04*SCA 35 1155360.9* 1653445.9*1.76 ns 1905.38 ns0.07*GCA × Env 27 2181696.8** 1332177.7*5.17** 5006.82*0.02SCA × Env 105 606019.4 ns 831048.7 ns ns 1.33ns 1774.35 ns0.02Pooled error 352 507519.6 915553.00.91 2150.98Env= Environment; Rep= Replicate; GCA= General combining ability; SCA= Specifi c combining ability.*, **, Signifi cant at the 0.05 and 0.01 probability levels, respectively; ns = not signifi cant.