الفهرس 
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Abstract
The experiments were carried out during 2007,2008,2009 in the floriculture and ornamental horticulture research branch, antoniades garden, alexandria, egypt.
The investigation was conducted to study empirically the effects of different gamma- rays doses, from co-60 source on the M1- and M2- generations of canna indica, L. produced from irradiated rhizomes.