Table 3.

Wild-type Pseudomonas savastanoi strains used in cross-pathogenicity tests.

Pathovar	Host of isolation	Strains a					Country of isolation	Isolation year	Reference/Original source
		CECT	CFBP	ICMP	NCPPB	Other
pv. fraxini	Fraxinus excelsior		1663	4347	1006		United Kingdom	1961	Janse (1981)
			5062 b	7711			Netherlands	1978	Janse (1991)
pv. nerii	Nerium oleander					Psn23/ESC23	Italy	2004	Tegli et al. (2011)
			5067 b	16943	3278		Spain	2007	Janse (1991)
				13781		ITM310	Italy	Before 1985	Sisto et al. (2007)/N.S. Iacobellis
				16944	3334		France	1984	D.E. Stead
pv. retacarpa	Retama sphaerocarpa	4861 b	5512	16945	4050		Spain	1996	Álvarez et al. (1998)
pv. savastanoi	Olea europaea	5024			3335		France	1984	Pérez-Martínez et al. (2007)/D.E. Stead
			1670 b	4352	639		Serbia	1959 c	D. Sutic
						DAPP-PG722	Italy	2007	Hosni et al. (2011)
						PseNe107	Nepal	2007	Balestra et al. (2009)
				13519			New Zealand	1997	J.M. Young
		5021		1411	1344d	ICPB PS170	USA	1961	E.E. Wilson
	Nerium oleander					0485_9	USA	1985	Azad & Cooksey (1995)
				13786		ITM601	Italy	1985	Morea et al., 1989/N.S. Iacobellis

^aStrains used in this study for experimental analyses are highlighted in bold. CECT, Colección Española de Cultivos Tipo; CFBP, Collection Française de Bactéries Phytopathogènes; ICMP, International Collection of Microorganisms from Plants; NCPPB, National Collection of Plant Pathogenic Bacteria; ITM, Istituto Tossine e Micotossine da Parassiti Vegetali Collection (Bari, Italy); DAPP, Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università degli Studi di Perugia (Perugia, Italy); ICPB, International Collection of Phytopathogenic Bacteria.

^bPathotype isolates; P. savastanoi pv. savastanoi CFBP 1670 is considered both P. savastanoi type strain and P. savastanoi pv. savastanoi pathotype strain.

^cYear of addition to NCPPB.