EFFECT OF SPRAYING WITH Α -TOCOPHEROL AND EXTRACT OF BLACK CUMIN SOAKED ON THE VEGETATIVE AND FLOWERING GROWTH OF FREESIA HYBRID L.

The experiment was conducted during the agricultural season 2021-2022 in lathhouse covered with a saran cover belonging to the Department of Horticulture and Landscaping Engineering at the College of Agriculture / University of Basrah, To study the effect of spraying with α -tocopherol and extract of soaked black cumin on the vegetative and flowering growth of Freesia hybrid L. for spraying with α -tocopherol at a concentration of (0,60,120) mg.l and extract of soaked black bean (80,40,g.g.liter־¹ of traits Vegetative growth and flowering, by three sprays between one spray and another 15 days. The results showed that spraying plants with Α -tocopherol at a concentration of 120 mg.L-1 improved all indicators of vegetative and flowering growth, which included (plant height, number of leaves, leaf area, vase life, flowering period, number of florets and length of inflorescence. As for spraying plants with black cumin extract infused at a concentration of 80 g.L־¹, a significant effect on (plant height, leaf area, number of leaves, vase life, flowering period, number of florets and stalk flower length, As for the bi-interactions between alpha-tocopherol at a concentration of 120 mg.L-1 and black cumin extract infused at a concentration of 80 g.L-1, it gave the highest rates compared to the control plants.