Table 2.

Proteobacteria genera assigned to OTUs which were found to be enriched in the rhizosphere of tall and semi-dwarf cultivars.

Height	Class	Genus
Tall	Alphaproteobacteria	Bradyrhizobium, Brevundimonas, Devosia,
		Methylobacterium, Rhizobium, Rhizomicrobium,
		Skermanella, Sphingomonas, Sphingopyxis,
		Variibacter, uncultured Caulobacteraceae,
		unclassified Aurantimonadaceae, unclassified Rhizobiaceae,
		unclassified Rickettsiales and unclassified Sphingomonadaceae
	Betaproteobacteria	Massilia, Nitrosospira, Verticia, Variovorax,
		uncultured order B1-7BS, unclassified Oxalobacteraceae and
		unclassified Comamonadaceae
	Deltaproteobacteria	Bacteriovorax
	Gammaproteobacteria	Dyella, Klebsiella, Lysobacter,
		Pseudomonas, Rhodanobacter and Stenotrophomonas
Semi-dwarf	Betaproteobacteria	Uncultured Alcaligenaceae and uncultured Nitrosomonadaceae
	Deltaproteobacteria	Haliangium, Phaselicystidaceae and uncultured Myxococcales
	Gammaproteobacteria	Polycyclovorans and uncultured Xanthomonadales