fertilization

lannoitus

hedelmöitys The act or process of rendering fertile.
The act of fecundating or impregnating animal or vegetable gametes; especially, the process by which in flowers the pollen renders the ovule fertile, or an analogous process in flowerless plants; fecundation; impregnation.
{{quote-magazine|year=2013|month=May-June|author=http://www.americanscientist.org/authors/detail/katrina-g-claw Katrina G. Claw