Selfed is a term used in genetics to describe the process of self-pollination. It refers to when a plant fertilizes itself, rather than relying on cross-pollination from another plant. Synonyms for selfed include autogamous, self-fertilizing, and self-pollinating. Other related terms include self-compatible, which describes a plant's ability to fertilize itself, and self-incompatible, which describes a plant's inability to fertilize itself. Understanding these terms is essential for plant breeders, as it allows them to manipulate the genetics of a plant to improve its characteristics. By selecting for plants that are self-compatible, for example, breeders can ensure successful self-pollination, leading to more predictable and efficient breeding results.