Pollen performance traits reveal prezygotic nonrandom mating and interference competition in <i>Arabidopsis thaliana</i>

Abstract

The lack of differences in postzygotic processes coupled with direct observation of pollen performance traits indicates that nonrandom mating in Arabidopsis thaliana is prezygotic, due mostly to differential pollen germination and pollen tube growth rates. Finally, this study unambiguously demonstrates the existence of interference competition.