Effect of Spraying Seaweed Extract on Improving the Vegetative Growth and Productivity of Jujube Trees

Abstract

This study was conducted in one of the orchards of Al-Hartha region, north of Basra province, to demonstrate the importance of seaweed extract for two cultivars of jujube Al-Tufahi and Al-Bambawi trees. Three concentrations of the extract were used, and a complete random block design was used. The results showed that Al-Bambawi cultivar had a significantly excelled in the length and size of the fruit at the maturity stage, as it recorded 37.21 mm and 12.44 cm 3, respectively, compared to the Al-Tufahi cultivar, which recorded 35.98 mm and 11.75 cm 3. It also shows the Al-Tufahi cultivar in the fresh and dry weight of the fruit at the ripening stage was excelled, as it recorded (15.539 and 12.22) g, in addition to the percentage of vitamin C, total soluble solids, and total acidity. The values were (163.24 mg.100g-1, 19.38, and 0.3932) and giving it the best values, in a significant way, for each of the percentage of maturity and set, with yields of 95.83%, 13.91%, and 46.18 kg. The results of the study also showed that the concentration of 8 ml.L-1 was excelled in most of studies traits. The results also showed a clear significant effect of the bi-interaction on studies traits.