Asexual reproduction is the regeneration of a new plant through a process that does not involve sexual union of male and female gametes, development of a zygote and then seed germination (i.e. sexual reproduction). From a propagation standpoint, asexual reproduction does not involve mixing of genes and results in a plant that is genotypically the same as the parent plant.
Types of asexual reproduction include: apomixis, cuttings, grafting, layering and tissue culture.
Cuttings
Layering
Grafting
Tissue culture