The importance of medicinal plants, its economy, growing techniques, the importance of secondary materials and its variability, to teach the general principles of growing some plants of economic importance for Turkey.

The importance of medicinal plants, classification, economic, ecological requirements, culture, post-harvest operations, drugs, the importance of secondary metabolites, variability of effective substances, features of essential oils, its obtaining, determine of the quality in drugs, Introduction to plants containing essential oil, morphological, growing and consumption to some plants of including family Apiaceae, Asteraceae, Lamiaceae, and Ranunculaceae.