Abstract
This study was conducted in the lath house at Horticulture and Landscape Department , College of Agriculture and Forestry , University of Mosul , during 2011 season to study the effect of foliar spray of three concentration of Seaweed extract " Algareen" ( 0, 1 and 2 ml.L) and three concentrations of Urea ( 0, 0.25 and 0.50%) fertilizer on vegetative growth of Pistacia khinjuk transplant . All treatments applied Three times at 5/4, 20/4 and 5/5/2011. Results indicated that all the treatments led to improve vegetative growth of transplant as compared with control . The more effective treatments was the interaction treatment between 2 ml/L of Algareen+ 0.50%of Urea fertilizer which caused a significant increase in the mean of transplant hight , number of leaves per seedling , leaf area , fresh and dry weight of leaves as compared with the control. A significant increase recorded in both diameter of main stem and percentage of chlorophyll pigment by applied of 2ml.L of Algareen + 0.25% of Urea .Sometime foliar spray of 0.25% of Urea fertilizer gave hight increase in interned length characteristics.
