self-pollinated s fertilized by its own pollen Usage(s) First of all, cotton is self-pollinated rather than wind-pollinated, so that the spread of the Bt gene is of less concern. For inbreeding, the tassels and silk are protected by paper bags until maturity, and the plants are then self-pollinated by hand. Many crops, like rice, are mostly self-pollinated. Synonym(s) self-fertilized self-fertilised