الفهرس 
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Abstract
This study was carried out with the objective of finding given differences between the crop varieties under test at various stages of growth. The necessity for such information was to assist identifying these varieties in the quality control and certification tests. Nine rice varieties (Oryza sativa L.) were subjected to certain examinations. These varieties were G.171, G.172, G.176, Sabeiny, Nabatat Asmar and Agami, which belong to the Japonica group, and G.175, G.181 and Red Seed which belong to the Indica group.