Abstract
Five Genotype of maize were used in this study were planted in autiem seoson of 2009 by using arandomiz complete blook design with three replication . The aim of this study was study the effect of sowing dates on yield and yield components of five maize genotypes. Results showed that sowing plants on 30th july give the highest earlength (23cm ), row number perear( 18 row ) weight of 1000 kernels ( 325 gm), and total grain yield (11.5 t / ha ) . grain yield per hectare ( 11.5 t/ ha ) by sowing during 30 July.