Name and publication
Phytophthora afrocarpa T. Bose and J.M. Hulbert (2021)
Bose T, Hulbert JM, Burgess TI, Paap T, Roets F, Wingfield MJ. 2021. Two novel Phytophthora species from the southern tip of Africa. Mycological Progress 20 (6): 755–767.
name refers to the tree Afrocarpus falcatus (syn. Podocarpus falcatus) from which the isolates were recovered
Type: SOUTH AFRICA, Diepwalle Forest, Western Cape Province, from rhizosphere soil of Afrocarpus falcatus (− 33.956555, 23.152709), January 2017, JM Hulbert, holotype PREM63082
Ex-type: culture PPRI 28450 = CMW 54630 = CBS 147467
Sequences of ex-type in manuscript: ITS MT762306, ß-tubulin MT762324, HSP90 MT762333, coxI MT762315
Position in ITS phylogenetic tree
Colonies and cardinal temperatures
Slow growing species with cottony, chrysanthemum pattern on CA and V8A, stellate on PDA, and immersed on MEA. Minimum growth temperature 4°C, optimum 25°C, and maximum 30°C.
Conditions for growth and sporulation
Sporangia were non-papillate, persistent, and predominantly ovoid to elongated ovoid in shape with internal extended proliferation. Sporangia averaged 28 x 18.6 µm (overall range 13.3–49.5 x 7.4–31.2 µm). Sporangiophores simple.Hyphal swellings present. Chlamydospores present.
Sterile in culture.
Most typical characters
South Africa, Diepwalle Forest, Western Cape Province, from rhizosphere soil of Afrocarpus falcatus, 2017, JM Hulbert, CBS 147467; CBS 147590; CBS 147468
Hosts and distribution
Distribution: South Africa
Disease note: no diseases recorded
Hosts: Afrocarpus falcatus
Additional references and links
Fact sheet author
Treena Burgess, Ph.D., Phytophthora Science and Management, Harry Butler Institute, Murdoch University