Phytophthora honggalleglyana (in progress - Abad et al. 2023b; previously P. hydropathica)
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Phytophthora spp. in subclade 9a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. honggalleglyana Ex-type ATCC MYA-4460 = S&T BL 68. Gloria Abad, USDA S&T.
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Phytophthora spp. in subclade 9a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. honggalleglyana Ex-type ATCC MYA-4460 = S&T BL 68. Gloria Abad, USDA S&T.
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Name and publication
Phytophthora hydropathica Hong and Gallegly (2010)
Hong CX, Gallegly ME, Richardson PA, Kong P, Moorman GW, Lea-Cox JD, and Ross DS. 2010. Phytophthora hydropathica, a new pathogen identified from irrigation water, Rhododendron catawbiense and Kalmia latifolia. Plant Pathology 59: 913–921.
Nomenclature
from Hong et al. (2010)
Mycobank
Etymology
‘Hydro’ and ‘pathica’ refer to the waterborne and pathogenic nature, respectively, of this species.
Typification
Type: UNITED STATES OF AMERICA collected from irrigation water of ornamentals by H. Hong in Virginia in 2000 (Typus: 5D1, Holotypus ATCC MYA-4460 and VTMH 11736)
Ex-type: ATCC MYA-4460 and VTMH 11736
Sequences for ex-type in original manuscript: 5D1 = ITS rDNA EU583793, β-tub GQ260069, TEF GQ260061, NADH GQ260065
NOTES: Nom. inval., Art. 40.7 (Melbourne) Index Fungorum ID514043. Original publication incorrectly cites 1 type (5D1) and 2 holotypes (ATCC MYA-4460 and VTMH 11736) Art 8.1.
Selected specimen in other collections
(ET) ATCC MYA-4460, WPC P19616, S&T BL 68 (Abad), 5D1 (Hong), p366 (Gallegly)
Hosts and distribution
Distribution: Europe (Italy, Spain), North America (USA: CT, MD, TN, VA)
Substrate: all plant parts
Disease note: damping off, root rot, fruit rot, etc.
Host: diverse hosts, particularly Kalmia latifolia (Ericaceae)
Retrieved January 31, 2018 from U.S. National Fungus Collections Nomenclature Database.
Additional info:
Host: Rhododendron catawbiense
Additional references and links
Fact sheet author
Z. Gloria Abad, Ph.D., USDA-APHIS-PPQ-S&T Plant Pathogen Confirmatory Diagnostics Laboratory (PPCDL), United States of America.
