Wild plants 4. Foreign trees and shrubs, their lifespan and diseases 5. Characteristics and differences of the wood and how to treat it. Natural ways of reproduction and propagation. Artificial insemination of a female palm with the inflorescence of a male plant.
Plants develope out of seeds, by themselves or out of parts of another plant.
Some plants use only one of the mentioned ways, while others use some of them. Grafting and budding. The first make the plant desirable as foodstuff, the latter are important for the preservation of the species, which makes them conflicting processes. About the changes caused by culture that plants have to cope with. Plants growing too close have a negative impact on each other due to the arising shortage of nutriments.