Table 7.

Characteristics of Phytophthora taxa infecting orchids.

Phytophthora sp.	Clade	Host	Infected tissue	Sex	A/Pg	Papillate	Author(s) and year
Phytophthora nicotianae	1	Polyphagous including many orchids hosts	Root/ foliage	He	A	P	Breda de Haan (1896)
Phytophthora cactorum	1b	Polyphagous including many orchids hosts	Root/ foliage	Ho	P	P	Schröter (1886)
Phytophthora multivesiculata	2	Specific on Cymbidium orchids	foliage	Ho	A	NP/SP	Ilieva et al. (1998)
Phytophthora meadii	2a	Polyphagous including Vanilla orchid host	Fruits /foliage/root	Ho	A	P	McRae (1918)
Phytophthora capsici	2b	Polyphagous including Vanilla host	Fruits/ foliage/root	He	A	P	Leonian (1922)
Phytophthora palmivora	4	Polyphagous including many orchid hosts	Flower/ foliage/root	He	A	P	Butler (1910)
Phytophthora megasperma	6b	Polyphagous including Cymbidium orchid host	roots	Ho	P	NP	Drechsler (1931)
Phytophthora cinnamomi	7b	Polyphagous including Cymbidium orchid host	Roots/foliage	He	A	NP	Rands (1922)
Phytophthora erythroseptica	8a	Polyphagous including Cymbidium orchid host	roots	Ho	A	NP	Pethybridge (1913)
Phytophthora citricola	2	Polyphagous including Pleione orchid host	Foliage/roots/whole plant	Ho	P	SP	Sawada (1927)
Phytophthora. tropicalis	2b	Polyphagous including Vanilla orchid host	Foliage/root/vine	He	A	P	Aragaki and Uchida (2001)

He = heterothallic, Ho = Homothallic, p = papillate, NP = non-papillate, SP = semi-papillate.