Table 1 Phytophthora species and isolates used in this study

P. cactorum

PCC-07-001*

Fragaria

OR

P. Reeser¹

P. cactorum

PCC-07-003

Panax

OR

P. Reeser¹

P. cactorum

PCC-07-004

Fragaria

OR

P. Reeser¹

P. cambivora

PCM-07-001*

Fagus

OR

P. Reeser¹

P. cambivora

PCM-07-002

Photinia

OR

P. Reeser¹

P. cambivora

PCM-07-003

Ulmus

OR

P. Reeser¹

P. cinnamomi

PCN-07-002*

Vaccinium

OR

P. Reeser¹

P. cinnamomi

JP-06-0006

Pinus

OR

J. Parke²/N. Grünwald³

P. cinnamomi

JP-06-0217

soil/substrate

OR

J. Parke²/N. Grünwald³

P. citrophthora

PCR-07-001

Picea

OR

P. Reeser¹

P. citrophthora

PCR-07-003

Rhododendron

OR

P. Reeser¹

P. citrophthora

PCR-07-005*

Pieris

OR

P. Reeser¹

P. foliorum^†

JP-08-070

Pieris

OR

J. Parke²/N. Grünwald³

P. foliorum^†

P-04-001*

azalea

TN

K. Lamour⁴

P. kernoviae^†

PK-05-001

unknown

UK

C. Brasier⁵

P. kernoviae^†

PH-05-005

Annona

NZ

M. Coffey⁶

P. kernoviae^†

PK-05–002*

unknown

UK

C. Brasier⁵

P. lateralis^†

PL-0X-001

unknown

CA

E. Hansen¹

P. lateralis^†

PL-05-004

Chamaecyparis

OR

M. Garbelotto⁷

P. lateralis^†

PL-06-009

Chamaecyparis

WA

E. Hansen¹

P. lateralis^†

PL-06-003*

Chamaecyparis

CAN

E. Hansen¹

P. nemorosa^†

PN-07-002

Lithocarpus

OR

E. Hansen¹

P. nemorosa^†

P-07-034

Camellia

OR

J. Parke²/N. Grünwald³

P. nemorosa^†

P-06-010*

Pieris

OR

N. Osterbauer

P. nicotianae

PNI-07-001

Forsythia

OR

P. Reeser¹

P. nicotianae

PNI-07-002*

Malva

OR

P. Reeser¹

P. nicotianae

PNI-07-005

Daphne

OR

P. Reeser¹

P. plurivora

PCT-07-002*

nursery

OR

P. Reeser¹

P. plurivora

JP-07-0251

Kalmia

OR

J. Parke²/N. Grünwald³

P. plurivora

JP-06-0160

soil/substrate

OR

J. Parke²/N. Grünwald³

P. ramorum^†

PR-05-186

Rhododendron

OR

N. Osterbauer⁸

P. ramorum^†

PR-07-113

Rhododendron

OR

N. Osterbauer⁸

P. ramorum^†

PR-07-166*

Rhododendron

OR

J. Ristaino⁹

P. syringae

PSY-07-001

Malus

OR

P. Reeser¹

P. syringae

PSY-07-002*

Zelkova

OR

P. Reeser¹

P. syringae

PSY-07-003

Pyrus

OR

P. Reeser¹