TY - BOOK AU - Ayman Ibrahim Eldousouky Soliman AU - Afaf Mahmoud Elsayed Habib , AU - Mohamed Mahmoud Elzefzafy , AU - Tarek Aboudahab Mohamed , TI - Study of some phytochemical constituents and biological activities of eriocephalus africanus l. plant by tissue culture technique / PY - 2019/// CY - Cairo : PB - Ayman Ibrahim Eldousouky Soliman , KW - Acclimatization KW - Callus formation KW - Volatile oils N1 - Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Ornamental Horticulture; Issued also as CD N2 - Shoot tips were used as explants for growth and development of Eriocephalus africanus L. plant in this study. The results showed that, B5 medium gave the best results in most of growth measurements when culturing the shoot tips explants which grown in 2000 lux. 2.00mg/l BAP recorded the highest values in survival percentage 93.33%, shootlets number/cluster 16.50 and shootlet strength 4.50. Use 4.00mg/l GA3 in medium was more effect in the elongation of shootlets ER -