Phytophthora pini

Phytophthora pini (ex-type CPHST BL 48) asexual phase formed on V8 agar flooded with soil extract: sporangium originated in single long sporangiophore, oospores at bottom; photo by G.Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia
Phytophthora spp. in subclade 6b: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. pinifolia Ex-type CBS 122924 = S&T BL 49. Gloria Abad, USDA S&T.

Phytophthora pinifolia
Phytophthora spp. in subclade 6b: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. pinifolia Ex-type CBS 122924 = S&T BL 49. Gloria Abad, USDA S&T.

Phytophthora pinifolia

Phytophthora pinifolia colonies 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 pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species (a–h): (a, b) mycelia and hyphal swellings; (c–h) sporangia; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species: nonpapillate sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species: nonpapillate sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species: mycelia and hyphal swellings; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species: nonpapillate sporangium releasing spores; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species: mycelia and hyphal swellings; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species: nonpapillate sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pinifolia

Phytophthora pinifolia (ex-type CPHST BL 49) asexual phase of the sterile species: nonpapillate sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)
Phytophthora spp. in subclade 7b: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. pisi selected specimen CBS 130350 = S&T BL 133. Gloria Abad, USDA S&T.

Phytophthora pisi (in progress - Abad et al. 2023b)
Phytophthora spp. in subclade 7b: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. pisi selected specimen CBS 130350 = S&T BL 133. Gloria Abad, USDA S&T.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (CPHST BL 133) 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 pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) asexual phase: (a, b, d) semipapillated sporangia, (c) hyphal swellings, (d, e) sporangia with hyphal swellings; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase (a–g): (a) abundant feature bodies produced in agar media, (b–e) smooth-walled oogonia with amphigynous antheridia and aplerotic oospores, (f) large-lobed amphigynous antheridium, (g) evanescent-lobed amphigynous antheridium; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase: smooth-walled oogonium with amphigynous antheridium and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) asexual phase: hyphal swellings; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase: abundant oospore production in agar media; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase: smooth-walled oogonium with amphigynous antheridium and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase: smooth-walled oogonium with amphigynous antheridium and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase: smooth-walled oogonia with amphigynous antheridia and aplerotic oospores; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) asexual phase: semipapillated sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) asexual phase: semipapillated sporangia and hyphal swellings; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) asexual phase: semipapillated sporangium and hyphal swellings; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase: evanescent-lobed amphigynous antheridium and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) asexual phase: semipapillated sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pisi (in progress - Abad et al. 2023b)

Phytophthora pisi (ex-type CPHST BL 133) sexual phase: large-lobed amphigynous antheridium and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora pistaciae
Phytophthora spp. in subclade 7b: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. pistaciae Ex-type CBS 137185 = S&T BL 99. Gloria Abad, USDA S&T.

Phytophthora pistaciae
Phytophthora spp. in subclade 7b: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. pistaciae Ex-type CBS 137185 = S&T BL 99. Gloria Abad, USDA S&T.

Phytophthora pistaciae

Phytophthora pistaciae (CPHST BL 99) 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