RosaceaeArthus ReactionPrunusFragariaPotentillaMalusSorbusSpiraeaGeumSelf-Incompatibility in Flowering PlantsPyrusErwinia amylovoraPlant Components, AerialRosaGenome, PlantRosalesPollenBlood-Aqueous BarrierFruitPolyploidyFlowersGout SuppressantsRibonucleasesPhylogenyExpressed Sequence TagsGeneticsChromosomes, PlantGenes, PlantPollinationTriterpenes