RosaceaeFacePrunusFragariaPotentillaMalusSorbusSpiraeaGeumSelf-Incompatibility in Flowering PlantsPyrusErwinia amylovoraPlant Components, AerialRosaGenome, PlantRosalesPollenFruitPolyploidyFlowersRibonucleasesPhylogenyExpressed Sequence TagsGeneticsGenes, PlantChromosomes, PlantPollinationTriterpenes