TABLE 1.

Phenotype characteristics of eight Xanthomonas citri strains (Jaciani, 2012).

Strain (short name)	Year	Origin	Pathogenicity on: Host	Pigment production	Swingle citrumelo	Hamlin sweet orange	Mexican lime	Persian lime	Rangpur lime	Lemon	Grapefruit	Cleopatra mandarin	Cravo mandarin	Ponkan mandarin
XauB 1561	1981	Argentina	Lemon	No	−	−	±	−	−	−	−	−	−	±
XauB 1566	1990	Argentina	Lemon	No	+	−	−	−	−	−	±	−	−	−
XauC 535	2000	Brazil	Mexican lime	Yes	+	+	++	−	−	−	−	−	+	±
XauC 763	1981	Brazil	Mexican lime	No	++	±	+++	±	−	±	±	±	+	±
XauC 867	2002	Brazil	Mexican lime	No	++	±	+	±	−	−	−	±	±	±
XauC 1559	1981	Brazil	Mexican lime	No	++	±	+++	±	−	±	±	±	++	+
XauC 1609	2009	Brazil	Swingle citrumelo	Yes	+	±	+	−	−	−	−	−	±	−
Xac306 or A306	1997	Brazil	Sweet orange	No	++++	+++	++++	+++	++++	++	+++	++	+++	+++

−, non-pathogenic (absence of symptom); ±, not aggressive (slight eruption at the wound site and no necrosis or water-soaking); +, weakly aggressive (limited necrosis and no water-soaking); ++, moderately aggressive (small necrosis and limited water-soaking); +++, aggressive (large necrosis surrounded by a water-soaking margin); ++++, highly aggressive (extensive necrosis surrounded by a water-soaking margin).