Young offshoots of date palm cv.
Bream (2 – 3 years old) were chosen and
detached from the mother tree. Offshoots
were dissected acropetaly until the shoot
tips appeared. Shoot tips of 3 cm (apical
meristem with soft inner leaves) were
excised with immature fiber 2 cm in
diameter and then dipped in autioxidant
solution consisted of 150 mg/L cirtic acid
plus 100 mg/L ascorbic acid (Tisserat 1991).