EFFECT OF PLANT DENSITY AND SOME VITAMINS, AS WELL AS, ACTIVE YEAST ON SWEET BASIL (OCIMUM BASILICUM) PLANT. A- VEGETATIVE GROWTH CHARACTERS

This investigation was conducted to investigate the effect of plant density (145, 105, 80 and 65 plants/14.5 m2) and some vitamins (vit. B1, vit. C, vit. E) and active yeast on vegetative growth traits of Ocimum basilicum plants. Results showed that decreasing plant density led to increase number of branches/plant/cut, leaf area/plant/cut, herb fresh and dry weights/plant/cut and yield of herb (fresh and dry) per plant per season, while, plant height was decreased. Moreover, the herb fresh and dry weights/fed were increased with the highest density (145 plants/14.5 m2). All used treatments of vitamins and active yeast significantly increased all previous characters of vegetative growth. Active yeast followed by collection of vitamins (vit. B1 + vit. C + vit. E) resulted in the highest values in this concern. All vegetative growth characters per plant were the most effective treatments on the lowest plant density × active yeast or vit. B1 + vit. C + vit. E while, the highest values per fed were obtained with higher density in combination with active yeast or vit. B1 + vit. C + vit. E.