Name and publication

Phytophthora parsiana  Mostowf., D.E.L. Cooke & Banihash. (2008)

Mostowfizadeh-Ghalamfarsa R, Cooke DEL, and Banihashemi Z. 2008. Phytophthora parsiana sp. nov., a new high-temperature tolerant species. Mycological Research 112: 783–794.

Corresponding author: rmostofi@shirazu.ac.ir

Nomenclature

from Mostowfizadeh-Ghalamfarsa et al. (2008)

Mycobank

MB511268

Etymology

named after the Farsi name of Persia, the region from which it was first isolated and described

Typification

Type: IRAN, Bushehr Province, Shabankareh, isolated from crown of common fig (Ficus carica) by Z. Banihashemi in 1991, SUC25 (X-2-91); holotypus IMI 395329

Ex-type: SUC25

Sequences for ex-type in original manuscript: SUC25 (type) deposited as C25: ITS AY659739, β-tub AY659746, Ef-1a AY659753, Cox AY659759

Ex-type in other collections

(ET) CABI IMI 395329, SUC25, SCRP791 (Cooke), WPC P15164, S&T BL 47 (Abad), 47C3 (Hong)

Molecular identification

Voucher sequences for barcoding genes (ITS rDNA and COI) of the ex-type (see Molecular protocols page)

Phytophthora parsiana isolate CPHST BL 47 (= P15164 WPC) = ITS rDNA MG865562, COI MH136952

Voucher sequences for Molecular Toolbox with seven genes (ITS, β-tub, COI, EF1α, HSP90, L10, and YPT1

(see Molecular protocols page) (In Progress)

Voucher sequences for Metabarcoding High-throughput Sequencing (HTS) Technologies [Molecular Operational Taxonomic Unit (MOTU)]

(see Molecular protocols page) (In Progress)

Sequences with multiple genes for ex-type in other sources

• NCBI: Phytophthora parsiana CPHST BL 47
• NCBI: Phytophthora parsiana P15164
• NCBI: Phytophthora parsiana C25
• EPPO-Q-bank: Phytophthora parsiana
• BOLDSYSTEMS: Phytophthora parsiana (barcoding COI & ITS)

Position in multigenic phylogeny with 7 genes (ITS, β-tub, COI, EF1α, HSP90, L10, and YPT1)

Clade clade:
a taxonomic group of organisms classified together on the basis of homologous features traced to a common ancestor
9a

Morphological identification

adapted from Mostowfizadeh-Ghalamfarsa et al. (2008)

Colonies and cardinal temperatures

Colony colony:
assemblage of hyphae which usually develops form a single source and grows in a coordinated way
morphology on V-8 agar, and potato dextrose agar with rosette pattern, and malt extract agar with no distinctive pattern. Minimum temperature for growth 9°C, optimum 24–30°C, maximum 33°C.

Asexual phase

SporangiaSporangia:
sac within which zoospores form, especially when water is cooled to about 10°C below ambient temperature; in solid substrates, sporangia usually germinate by germ tubes
nonpapillatenonpapillate:
pertaining to the production of a non-distinct, or inconspicuous, papilla at the distal end of the sporangium (cf. papillate and semipapillate)
; persistentpersistent:
pertaining to sporangia that remain attached to the sporangiophore and do not separate or detach easily (cf. caducous)
; ovoidovoid:
egg-shaped, with the widest part at the base of the sporangium and the narrow part at the apex
, obpyriformobpyriform:
inversely pear-shaped, i.e. with the widest part at the point of attachment (cf. pyriform)
, ellipsoidellipsoid:
refers to a solid body that forms an ellipse in the longitudinal plane and a circle in cross section; many fungal spores are ellipsoidal or elliptic
, some with irregular shapes, and some with tapered bases (36–77 L X 22–50 W µm); proliferating internally in simple and nested proliferationnested proliferation:
a type of internal proliferation where a new sporangium develops successively inside the old sporangium after it has emptied
; originated in unbranched and rarely in simple sympodial sporangiophores. Hyphal swellings subglobose, elongate. ChlamydosporesChlamydospores:
an asexual spore with a thickened inner wall that is delimited from the mycelium by a septum; may be terminal or intercalary, and survives for long periods in soil
absent??.

Sexual phase

Heterothallic. Oogonia smooth-walled; antheridiaantheridia:
the male gametangium; a multinucleate, swollen hyphal tip affixed firmly to the wall of the female gametangium (the oogonium)
amphigynousamphigynous:
pertaining to the sexual stage in which the antheridium completely surrounds the stalk of the oogonium (cf. paragynous)
; oosporesoospores:
zygote or thick-walled spore that forms within the oogonium after fertilization by the antheridium; may be long-lived
apleroticaplerotic:
pertaining to a mature oospore that does not fill the oogonium; i.e. there is room left between the oospore wall and oogonium wall (cf. plerotic)
.

Additional specimen(s) evaluated

Phytophthora parsiana ex-type CPHST BL 47, duplicate of P15164 (World Phytophthora Collection), which is a duplicate of the ex-type SUC25

Hosts and distribution

Distribution: widespread based on scattered reports
Substrate: soil around roots
Disease note: crown rot
Host: associated with diverse hardwoods

Retrieved February 01, 2018 from U.S. National Fungus Collections Nomenclature Database.

Additional info:
Substrate: trunk

Additional references and links

 

• SMML USDA-ARS: Phytophthora parsiana
• EPPO Global Database: Phytophthora parsiana
• Forest Phytophthoras of the world: Phytophthora parsiana
• CABI Digital Library: Phytophthora parsiana
• Encyclopedia of Life (EOL): Phytophthora parsiana
• Index Fungorum (IF): Phytophthora parsiana

 

• Google All Phytophthora parsiana
• Google Images Phytophthora parsiana
• Google Scholar Phytophthora parsiana

Fact sheet author

Z. Gloria Abad, Ph.D., USDA-APHIS-PPQ-S&T Plant Pathogen Confirmatory Diagnostics Laboratory (PPCDL), United States of America.