Alternative crops, plum tomato, oil, fiber, sugar, aromatic, medicinal, flavoring and dyeing crops (sunflower, canola, safflower, sesame, castor bean, jatropha, flax, hemp, sisal, kenaf, stevia, saffron, oregano, rosemary, thyme, lavender, peppermint, sage, licorice, lemon balm, chamomile, valerian, foxglove, St John’s wort, purple cornflowers, hyssop, caper, coriander, anise, cumin, fennel, dittany of Crete, mountain tea, basil, hop etc).  Taxonomy, origin and evolution, economic importance and uses, cultivation trends (in Greece and in the world), morphology, development and physiology, climatic and soil adaptation, cultivation zones, breeding trends (desirable traits, varieties and cultivars), cultivation techniques (rotation, soil cultivation, sowing, inorganic nutrition and fertilization, water requirements and irrigation, weed control, maturation and harvesting). Pests and diseases.