CytokininsZeatinKinetinPlants, Genetically ModifiedIsopentenyladenosinePlant Growth RegulatorsPlant RootsPlant LeavesPlant ShootsPlant ProteinsArabidopsisGenes, PlantIndoleacetic AcidsArabidopsis ProteinsGene Expression Regulation, PlantMeristemPlant StemsPlant DevelopmentSeedlingPlants, ToxicTobaccoAlkyl and Aryl TransferasesPlant ExtractsXylemPlant StructuresPlant TumorsDNA, PlantAdenineNaphthaleneacetic AcidsPlants, MedicinalPlant CellsSeedsAbscisic AcidZea maysPlant ImmunityEthylenesHelleborusFlowers