Fungal diseases

Black dot

Colletotrichum coccodes

Early blight

Alternari solani

GRIN: data on 898 acc (incl. some doubles): relevant webpage
VIR: data on 21 acc. not yet on-line, but downloadable in a combined data set of the European potato genebanks.
the European Cultivar Potato Database resistance data on 90 clones/cultivars.

Fusarium dry rot and wilt

Fusarium sp. and F. oxysporum

CGN: observations on 134 acc. for dry rot (F. coeruleum) as download or for online search .
GRIN: resistance data for 205 acc. (some overlap) on Fusarium dry rot and 54 acc. on Fusarium wilt
the British Potato Varieties Database, select Resistance to ...
VIR: data for 11 and 2 acc. for dry rot resp. wilt, not yet on-line, but downloadable in a combined data set of the European potato genebanks.
the European Cultivar Potato Database: 700 (dry rot, F. species unknown), 200 (dry rot, F. coeruleum), 36 (dry rot, F. sulphureum) and 11 (wilt, F. oxysporum) clones/cultivars with resistance data.
80 clones at NordGen

Gangrene

Phoma foveata

CGN: observations on tubers of 315 acc. as download or for online search .
VIR: data on 6 acc. not yet on-line, but downloadable in a combined data set of the European potato genebanks.
the European Cultivar Potato Database over 500 clones/cultivars with resistance data.
70 clones at NordGen

Late blight

Phytophthora infestans

CGN: 1993 observations on 1270 acc. as download and combined for online search
SolRgene database (temporarily unavailable at www.plantbreeding.wur.nl/SolRgenes/index.php) incl. observations from CBSG & Parapluplan projects. Many genotypes in-vitro available
GRIN: data on 851 acc (some overlapping): relevant webpage
GLKS (IPK): data on 1075 acc. and VIR: data on 356 acc. not yet on-line, but downloadable in a combined data set of the European potato genebanks
CPC collection: 371 accessions with late blight resistance data (select late blight ).
Potato Late Blight Network For Europe EUCABLIGHT , data on varieties and screening protocols
the British Potato Varieties Database, select Resistance to ...
varieties in the Netherlands NIVAP
French catalogue, criteria, select: Résistance au mildiou du feuillage
the European Cultivar Potato Database 3850 clones/cultivars with resistance data
Neiker: >100 observations in downloadable data set (varieties)
53 clones at NordGen
CIP advanced clones with resistance data . See also the catalogue of CIP potato varieties .

Powdery scab

Spongospora subterranea f. sp. subterranea (belongs to the Protozoa)

FABI 2020: Trapping crops like oat and soybean could be used in rotation with potato to reduce inoculum levels in the soil.

Silver scurf

Helminthosporium solani

Skin spot

Polyscytalum pustulans

Stem canker and black scurf

Rhizoctonia solani

CGN: observations on 12 acc. as download .
GRIN: data on 210 acc (incl. some doubles): relevant webpage
the European Cultivated Potato Database, select Resistance to stem canker
VIR: data on 473 acc. not yet on-line, but downloadable in a combined data set of the European potato genebanks.
the European Cultivar Potato Database resistance data on 600 clones/cultivars.
Neiker: >30 observations in downloadable data set (varieties).
Decription of the disease by bioKennis (in Dutch)

Tuber blight

Phytophthora infestans

GLKS (IPK): data on 2617 acc. and VIR: 161 acc. not yet on-line, but downloadable in a combined data set of the European potato genebanks.
the British Potato Varieties Database, select Resistance to ...
varieties in the Netherlands NIVAP
French catalogue, criteria, select: Résistance au mildiou du tubercule
the European Cultivar Potato Database resistance data on over 3350 clones/cultivars.
Neiker: about 100 observations in downloadable data set (varieties).
67 clones at NordGen
GRIN: data on 91 acc: relevant webpage

Verticillium wilt

GRIN: resistance data on 1500 acc. (some overlap), furthermore species specific results of V. dahliae (14 acc.) and V. albo-atrum (20 acc.): relevant webpage (scroll down to Disease descriptors).

Wart

Synchytrium endobioticum

varieties in Germany JKI , search for "Kartoffelsorten" (info on resistance against R1, 2, 6, 8, 10, 18)
CGN: 582 observations (pathotypes R1, R2, R6, R8) on 395 acc. as download and combined for online search . Original observations as PDF: 1994-1980 (R2, R6, and R8, some R1), 1979-1976 (R1 only). Results are preliminary: the PDF's show that mostly only a relatively few tubers have been tested. Furthermore the small tuber size may produce less reliable results (Langerfeld & Hoekstra 1992 ). Publication on the history of potato wart in Germany incl. a table with differentials (Stachewicz & Langerfeld 1998 ).
GRIN: 195 acc on R1: relevant webpage
GLKS (IPK): R2 data on 1151 acc. and VIR: R1 (probably) data on 98 acc. not yet on-line, but downloadable in a combined data set of the European potato genebanks.
CPC collection: 39 accessions with R1 (probably) resistance data (select Wart ).
the European Cultivar Potato Database over 2200 clones/cultivars with field resistance data, as well as susceptibility to individual wart races.
varieties in the Netherlands NIVAP (R1 only)
French catalogue , criteria, select: Résistance à la galle verruqueuse
54 clones at NordGen

White mold

Sclerotinia stem rot.