Table 5.
Host range of Phytophthora cactorum (Leb. and Cohn) Schröeter within Orchidaceae.
| Host | Disease caused | Geographical distribution |
|---|---|---|
| Aerides | Black rot | Florida USA (Alfieri et al., 1994) |
| Ascocenda | Black rot | Florida USA (Alfieri et al., 1994) |
| Brassavola | Black rot | Florida USA (Alfieri et al., 1994; Simone and Burnett, 1995 |
| Brassocattleya | Black rot of leaf and heart rot | Florida USA (Cating et al., 2008) |
| Brassolaeliocattleya sp. | Root rot and black rot | Florida, USA (Alfieri et al., 1984) |
| Cattleya aurantiaca | Roots and rhizome rot | Costa Rica (Claudio, 2003) |
| Cattleya dowiana | Roots and rhizome rot | Costa Rica (Claudio, 2003) |
| Cattleya hybrids | Black rot, roots and pseudobulb rot, leaf blight | Florida USA (Cating et al., 2008), Costa Rica (Claudio, 2003) |
| Cattleya sp. | Burning or black rot of orchids, Leaf blight | Philippines (Schwarz, 1927); Brazil (Pereira et al., 1993; Mendes et al., 1998); Cuba (Arnold,1986); Florida USA (Burnett, 1957; Burnett, 1965; Simone and Burnett, 1995; McMillan et al., 2010) |
| Cattleya skinneri | Roots and rhizome rot | Costa Rica (Claudio, 2003) |
| Cymbidium sp. | Black rot, leaf blight | Hawaii, USA (Uchida and Aragaki, 1991; Uchida, 1994) |
| Dendrobium sp. | Black rot | Florida USA (Alfieri et al., 1994) |
| Epidendrum sp. | Black rot, leaf blight | Florida, USA (Alfieri et al., 1984) |
| Galeandra baueri | Root rot and black rot | Florida, USA (Miller, 1990) |
| Gongora | Black rot | Florida USA (Alfieri et al., 1994) |
| Grammatophyllum sp. | Stem rot, Leaf blight | Philippines (Erwin and Ribeiro, 1996) |
| Laelia | Black rot, pseudobulb rot | Florida USA (Simone, and Burnett, 1995) |
| Laeliocattleya sp. | Root rot, black rot of leaf and heart rot | Hawaii, USA (Raabe et al., 1981); Florida USA (Simone and Burnett, 1995; Cating et al., 2008) |
| Masdevallia sp. | Roots and rhizome rot | Costa Rica (Claudio, 2003) |
| Maxillaria | Black rot | Florida USA (Alfieri et al., 1994) |
| Miltonia | Black rot | Florida USA (Alfieri et al., 1994) |
| Oncidium | Black rot | Florida USA (Alfieri et al., 1994) |
| Paphiopedilum sp. | Black rot | Florida USA (Alfieri et al., 1994) |
| Rhynchostylis sp. | Black rot | Florida USA (Alfieri et al., 1994) |
| Schomburgkia | Black rot | Florida, USA (Alfieri et al., 1994; Simone and Burnett, 1995); |
| Schomburgkia undulata | Roots and rhizome rot | Costa Rica (Claudio, 2003) |
| Sobralia macrantha | Roots and rhizome rot | Costa Rica (Claudio, 2003) |
| Vanda sp. | Stem and leaf rot; pseudobulb rot, leaf blight | Florida, USA (Alfieri et al., 1984); Philippines (Erwin and Ribeiro, 1996) |
| Vanda coerulea | Black rot, stem, and leaf blight | India (Erwin and Ribeiro, 1996) |