Name and publication
Phytophthora litchii (C.C. Chen ex W.H. Ko, H.S. Chang, H.J. Su, C.C. Chen & L.S. Leu) Voglmayr, Göker, Riethm. & Oberw., comb. nov. (2007)
Göker M, Voglmayr H, Riethmüller A, and Oberwinkler F. 2007. How do obligate parasites evolve? A multi-gene phylogenetic analysis of downy mildews. Fungal Genet. Biol. 44: 105–122.
Editorial comment in Index Fungorum:
See also Phytophthora litchii (C.C. Chen ex W.H. Ko, H.S. Chang, H.J. Su, C.C. Chen & L.S. Leu) P.K. Chi, X.P. Pang & R. Liu, [Proceedings of the Annual Meeting of the Chinese Phytopathological Society]: 72–73 (1981), nom. inval., Art. 33.4, basionym not indicated and bibliographic reference omitted (original publication not seen).
Basionym: Peronophythora litchii C.C. Chen ex W.H. Ko, H.S. Chang, H.J. Su, C.C. Chen & L.S. Leu 1978 (Index Fungorum)
from Göker et al. (2007)
≡ Peronophythora litchii C.C. Chen ex W.H. Ko, H.S. Chang, H.J. Su, C.C. Chen & L.S. Leu, Mycologia 70: 381 (1978) [MB344384]
≡ Phytophthora litchii (C.C. Chen ex W.H. Ko, H.S. Chang, H.J. Su, C.C. Chen & L.S. Leu) P.K. Chi, X.P. Pang & R. Liu (1981) [MB532800]
Neotype: TAIWAN, from diseased litchi (Litchi chinensis Sonn.) fruits in Taiwan, TAI 4800 (dried dead culture) deposited at Herbarium of Department of Botany, National Taiwan University, Taiepei, Taiwan (from Ko et al. 1978)
Ex-neotype: ATCC 34595 (from Ko et al. 1978)
NOTE: TAI 4800 and ATCC 34595 were deposited as the type and ex-type of Peronophythora litchii (Ko et al. 1978). It is not clear if this isolate exists at ATCC.
Selected specimen(s) by Gloria Abad:
CPHST BL 48G = P15218 (WPC)
CPHST BL 145 = P19950 (WPC)
Selected specimen(s) in other collections
CPHST BL 48G (Abad) = P15218 (WPC) = ATCC 34595 = Pero-1, CBS 100.81, AR-178, MG 33-3
NOTE: CBS 100.81 used in Goker et al. (2007) (C. W Kao, Nan-tou - Taiwan, CBS H-15618)
Voucher sequences for barcoding genes (ITS rDNA and COI) of selected specimens (see Molecular protocols page)
Sequences for selected specimen in other sources
- NCBI: Phytophthora litchii CPHST BL 48G
- NCBI: Phytophthora litchii CPHST BL 145
- NCBI: Phytophthora litchii CBS 100.81
- Phytophthora Database: Phytophthora litchii
- EPPO-Q-bank: Phytophthora litchii CBS 100.81
- BOLDSYSTEMS: Phytophthora litchii (barcoding COI & ITS)
Position in ITS phylogenetic tree
Colonies and cardinal temperatures
Colony morphology after 7 days of growth on V8 agar, potato-dextrose agar and malt extract with no distinct pattern. Minimum temperature for growth is 12°C, optimum 27–28°C, and maximum 30°C.
Conditions for growth and sporulation
Sporangia readily produced in V-8 agar flooded with 10% soil solution. Oospores rarely produced in culture media, except in hemp seed agar with fatty acids. Phytophthora litchii can easily grow in culture media like many species of Phytophthora.
Sporangia papillate; caducous with short pedicel; globose, ovoid, ellipsoid (20–33 L x 16–22 W µm), produced in typical compound sympodial erected sporangiophores that resemble those produced in downy mildews. Hyphal swellings with finger-like shape. Chlamydospores absent.
Most typical characters
Phytophthora litchii is characterized by the production of typical compound sympodial erected sporangiophores that resemble those produced in downy mildews.
Phytophthora litchii CPHST BL 48G, duplicate of P15218 (World Phytophthora Collection) (selected specimen)
CPHST BL 145, duplicate of P19950 (World Phytophthora Collection)
Hosts and distribution
Distribution: Asia, Europe (Netherlands)
Disease note: blossom blight
Host: Litchi chinensis (Sapindaceae)
Retrieved January 31, 2018 from U.S. National Fungus Collections Nomenclature Database.
Additional references and links
- Phytophthora DATABASE: Phytophthora litchii
- EPPO-Q-bank: Phytophthora litchii
- SMML USDA-ARS: Phytophthora litchii
- EPPO Global Database: Not available
- CABI Invasive Species Compendium: Phytophthora litchii
- Encyclopedia of Life (EOL): Phytophthora litchii
- Index Fungorum (IF): Phytophthora litchii
- Plantwise Knowledge Bank: Phytophthora litchii
- Google All Phytophthora litchii
- Google Images Phytophthora litchii
- Google Scholar Phytophthora litchii
Fact sheet author
Z. Gloria Abad, Ph.D., USDA-APHIS-PPQ-S&T Beltsville Laboratory, United States of America