الفهرس 
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Abstract
The Main Objective Of This Investigation Is To Evaluate 48 Lines Representing Seven Wheat Mutant Types Which Are Isolated From The Local Wheat Variety Giza 155 After Irradiation By Gamma Rays. The Pedigree Method Is Used From M2(1972)Cill M6(1977) Generation. The Evaluation Involves Grain Yield Along With Certain Morphological, Physiological Technoloigical Characteristics, Their Reactions To The Three Rusts And The Response Of The Pest 25 Mutant Lines, Selected In M4 To Two Nitrogen Fertilizer Levels For Grain Yield Per Plant.