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Response of Cotton (Gossypium hirsutum L.) Cultivar (Barac 67/B) to Sowing Dates under Normal Irrigation Conditions at New Halfa, Sudan

Field experiments were conducted at New Halfa Research Farm, Agricultural Research Corporation (ARC), Sudan during the two consecutive seasons, (2008/2009 and 2009/2010), to study the effect of sowing date on growth, yield and yield components of cotton cultivar (Barac 67B), under irrigation conditions. Six sowing dates (Mid June, first July, mid-July, 1st August, mid-August and end August) were used in this study. Randomized Complete Block design with four replications was used. Observations on seed cotton yield and some agronomic parameters were recorded. Data for each season and combined were statistically analyzed using MSTAT-C. Results indicated that, sowing date significantly affected for all characters under study. It was concluded that, earlier sowing (mid June - mid July) resulted in higher number of bolls/plant. Mid June had longer period to maturity, taller plants (cm) and higher seed cotton yield (kantar/fed).