التغيرات في بعض الصبغات النباتية خلال نمو و نضج ثمانية أصناف من نخيل التمر Phoenix dactylifera L

Abstract EN

This study was conducted during the 2006 growing season in the date palm Research Center / University of Basra view to examining the content of chlorophyll and carotene through phases Alkamri and Khalal of eight cultivars of dates palm (Hallawi, Sayer, Am Adehin , Maktoum, Albraim, Albarhi , lilwy, El Khadraoui) results showed dye Chlorophyll is the ruling at the stage Alkamri and all group were cultivar Sayer significant superiority on all group in the content of the plants described in phases Alkamri was recorded (18.12, 4.94) mg / 100 gm dry weight respectively to the total content of chlorophyll.

While the content of chlorophyll A, B (0.52, 1.43) and (8.44, 4.46) for the two phases of growth and (Alkamri, Khalal) respectively, while each of the above cultivars excellence Hallawi, Sayer and El Khadraoui, who did not witness them significant differences in content of carotene in the Alkamri compared with the other cultivars .Either at the stage of Alkamri has exceeded significant cultivars (Hallawi, Albraim, Albarhi ) in content of carotene.