Gallery

Image Type

Morphological Structure

Clades


per page:


page:

   of 45  

Phytophthora pseudosyringae

Phytophthora pseudosyringae (ex-type CPHST BL 51G) sexual phase: slightly aplerotic oospore with paragynous antheridium and knotted hyphae; photo by Vickie Brewster, USDA-APHIS-PPQ.

Phytophthora pseudosyringae

Phytophthora pseudosyringae (ex-type CPHST BL 51G) sexual phase: slightly aplerotic oospore with paragynous antheridium and knotted hyphae; photo by Vickie Brewster, USDA-APHIS-PPQ.

Phytophthora pseudosyringae

Phytophthora pseudosyringae (ex-type CPHST BL 51G) sexual phase: slightly aplerotic oospore with paragynous antheridium and knotted hyphae; photo by Vickie Brewster, USDA-APHIS-PPQ.

Phytophthora pseudotsugae
Phytophthora spp. in subclade 1a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. pseudotsugae Ex-type NRRL 64376 = S&T BL 51. Gloria Abad, USDA S&T.

Phytophthora pseudotsugae
Phytophthora spp. in subclade 1a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. pseudotsugae Ex-type NRRL 64376 = S&T BL 51. Gloria Abad, USDA S&T.
Phytophthora pseudotsugae

Phytophthora pseudotsugae (CPHST BL 51) colonies of the ex-type grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ

Phytophthora psychrophila
Phytophthora spp. in Clade 3: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. psychrophila Ex-type CBS 803.95 = S&T BL 52. Gloria Abad, USDA S&T.
Phytophthora psychrophila
Phytophthora spp. in Clade 3: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. psychrophila Ex-type CBS 803.95 = S&T BL 52. Gloria Abad, USDA S&T.

Phytophthora quercetorum
Phytophthora spp. in Clade 4: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. quercetorum Ex-type CBS 121119 = S&T BL 52G. Gloria Abad, USDA S&T.
Phytophthora quercetorum
Phytophthora spp. in Clade 4: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. quercetorum Ex-type CBS 121119 = S&T BL 52G. Gloria Abad, USDA S&T.
Phytophthora quercetorum

Phytophthora quercetorum (CPHST BL 52G) colonies of the ex-type grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ

Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) asexual and sexual phases: (a) papillate persistent ovoid sporangium originated in unbranched sporangiophore, (b) coralloid mycelia, (c–g) smooth-walled oogonia with paragynous antheridia and aplerotic oospores, (e–g) oogonia with comma-shaped tapered bases; photos by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) asexual phase: papillate persistent ovoid sporangium originated in unbranched sporangiophore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) sexual phase: smooth-walled oogonium with paragynous antheridium and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) sexual phase: smooth-walled oogonium with comma-shaped tapered base, paragynous antheridium, and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) sexual phase: smooth-walled oogonium with comma-shaped tapered base, paragynous antheridium, and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) asexual phase: coralloid mycelia; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) sexual phase: smooth-walled oogonium with comma-shaped tapered base, paragynous antheridium, and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercetorum

Phytophthora quercetorum (ex-type CPHST BL 52G) sexual phase: smooth-walled oogonium with paragynous antheridium and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina
Phytophthora spp. in Clade 12: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. quercina Ex-type CBS 784.95 = S&T BL 110. Gloria Abad, USDA S&T.

Phytophthora quercina
Phytophthora spp. in Clade 12: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. quercina Ex-type CBS 784.95 = S&T BL 110. Gloria Abad, USDA S&T.
Phytophthora quercina

Phytophthora quercina (CPHST BL 110) colony of the ex-type grown for 7 days on (a) V8 agar (b) potato dextrose agar (c) malt extract agar; photos by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual and sexual phases (a), asexual phase (b–h): (b–e) papillate persistent sporangia originated in unbranched sporangiophores, (b) globose, (c) ovoid, (d) obpyriform, (d–f) with elongated necks; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) sexual phase: (a–g) smooth-walled oogonia with aplerotic golden yellow oospores, (a) with paragynous antheridia, (a, b, d) abundant mycelia close to the gametangia, and (e–g) with elongated oogonia (typical for the species); photos by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora quercina

Phytophthora quercina (CPHST-BL 53G, selected specimen) asexual and sexual phase: (a, b) colony grown for 7 days in PDA and V-8 agar, (c, d) papillate sporangia, (d) with elongated neck, (e–h) smooth-walled oogonia with paragynous antheridia and plerotic oospores; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual phase: obpyriform papillate persistent sporangium with elongated neck, originated in unbranched sporangiophore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual phase: globose papillate persistent sporangium originated in unbranched sporangiophore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual phase: persistent sporangium with elongated neck; photo by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual and sexual phases: oospores and persistent sporangia; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual phase: irregular shaped sporangium, originated in unbranched sporangiophore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual phase: papillate persistent sporangium with elongated neck, originated in unbranched sporangiophore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora quercina

Phytophthora quercina (ex-type CPHST BL 110) asexual phase: ovoid papillate persistent sporangium originated in unbranched sporangiophore; photo by Gloria Abad, USDA-APHIS-PPQ.