تأثير التكييس و مستخلص عرق السوس على الفعالية الانزيمية لانزيمي (الانفرتيزوالسليوليز )‎ و بعض الصفات الكيميائية لثمار نخيل التمر Phoenix dactylifera L. صنفي الساير و الحلاويّ

Abstract EN

The present study was carried out at a private orchard , in Abu-Al-Khaseeb region – Basrah, during the season of 2008 .The aim was to investigate the effect of bunches bagging by brown papar and spraying of liquorice extract at three concentrations of ( 0 , 5 , 8 ) g l−1,Treatment the trees was done 50 days after Pollination , The study included the interaction effect of all factors on activity of enzymes (invertase and cellulose) and percentage of total and reducing sugars and sucrose of two date palm cultivars ( Sayer and Hillawi ) .

The results were summarized as follows: treatment of bagging bunches, treatment of spraying with 5 g l−1 liquorice extract and Sayer cultivar increased activity of invertase and cellulase and total and reducing sugars significantly,but sucrose decreased significantly compared with other treatments, interaction effect between the factors were the treatment of bagging Sayer bunches and the treatment of spraying bagging bunches with 5 g l−1 liquorice extract significantly increased activity of invertase and cellulase significantly compared with other treatments,while did not significant interaction effect between the factors on study properties compared with other treatments.