The Effect of artifical leachate and aqueous leachate of leaves Myrtus and Citrus on Seed germination and growth of Two Ornamental Plants Centaurea and Godetia

( , , ) . ( , , ) ( ) , . () ( , , ) ( , , ) .This study was includes Green house experiment to invegestigate allelopathic effect of artifical leachate and aqueous leachate of leaves (Myrtus , citrus , Myrtus and citrus) on seed germination and growth of two different kinds of ornamental plants (Centaurea Cyanus L. and Godetia grandiflora L.).The results indicates a difference in allelopathic Effects of artifical leachate leaves (Myrtus , Citrus , Myrtus and Citrus) caused reduction in Root length (Godetia and Centaureal in all treatments also showed increase on seedling growth and seed germination of the ornamental plants , the results showed that artifical leachate of citrus caused less effects.The effects of aqueous leachate leaves (Myrtus , Citrus , Myrtus and Citrus) showed increase between treatments in dry weight. The centurea plant showed drecrease in Root length when treated by aqueous leachate leaves (Myrtus , Citrus , Myrtus and Citrus) .