Effect of sulfur and glutathione treatment on some anatomical characteristics of the tissue date palm leaves Phoenix dactylifera L. Barhi cultivar under heat stress

The study was conducted in one of the orchards located in the south of Basra Governorate / Iraq. In the growing season of 2021 to show the effect of adding sulfur at a concentration of (0, 1, 2) kg / seedling and glutathione at a concentration of (0, 100 and 200) mg / liter and their interactions in reducing the damage caused by heat stress on the anatomical characteristics of the leaves of the palm tree cuttings of the cultivar Barhi, and the results showed the superiority of the treatment (2 kg S × (200 mg/L GSH) in the average length and width of the vascular bundle and thickness of wood and bark and on the comparison treatment which recorded (252.1, 177.7, 84.8 and 65.6) µm, respectively,