الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Two experiments were undertaken during the two seasons of 1984/85 and 1985/86. The first experiment aimed to study the effect of the light periods treatments on the growth and flowering of the aster plants. The second experiment aimed to study the effect of some growth regulators on the growth and flowering of the plants.