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Diseases

Potato late blight

Solanum tuberosum L.

A dangerous disease caused by the oomycete Phytophthora infestans, which affects potato foliage and tubers. It is characterized by high genetic variability of the pathogen and the presence of vertical resistance based on R-genes.

In the reference 1 396 varieties crop Potato, where this is mentioned in the description.

The causative agent of the disease is Phytophthora infestans, which affects all plant organs. On the foliage, symptoms appear in the second half of the growing season as brown spots with a characteristic white fungal growth under high humidity. Infected tubers become covered with firm, sunken spots with a rusty-brown dry rot in the flesh.

Pathogen populations include complex races with multiple virulence genes capable of overcoming the resistance provided by R1, R2, R3, and other genes. In potato breeding, a distinction is made between vertical resistance, based on R-genes from wild species, and horizontal polygenic resistance, which restricts disease development regardless of the race composition of the pathogen.

General information about the subject — on the page Late blight.

Sources8

Varieties of Potato mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Elvira

Active

Solanum tuberosum L. · Potato

Soltau-Bergen eG

BE ES FR IE IT NL
12 records

Clarissa

Application submitted

Solanum tuberosum L. · Potato

UNIPLANTA

CZ DE ES NL PL SK
15 records

Charlotte

Active

Solanum tuberosum L. · Potato

UNICOPA (FR)/Clause Semences SA (FR)

BE DE DK FR LU NL
12 records

Valisa

Active

Solanum tuberosum L. · Potato

VOGEL JOSEF

CZ DE LT LV PL
13 records

Solist

Active

Solanum tuberosum L. · Potato

YaShINA IZOL'DA MAKSIMOVNA / RUSAKOVA IRINA GENNAD'EVNA / KALYaGIN YuRIJ NIKOLAEVICh / KABUNIN ALEKSANDR ANATOL'EVICh / KONDAKOVA NATAL'Ya NIKOLAEVNA / ALEKSANDROVA LYuBOV' ALEKSANDROVNA

CZ DE FR LT LV
13 records

Rocket

Active

Solanum tuberosum L. · Potato

Thomson, Allan J.

ES FI FR IE SE
12 records

Granada

Active

Solanum tuberosum L. · Potato

SOLANA DEUTSCHLAND GmbH

CZ DE IT NL UA
16 records

Belana

Active

Solanum tuberosum L. · Potato

Hergen Berding

CZ DE LU SK UA
13 records

Bettina

Active

Solanum tuberosum L. · Potato

Nordostbayer. Saatbauverband GmbH

AT CZ DE HR SI
10 records

Marine

Active

Solanum tuberosum L. · Potato

UNICOPA (FR)/Clause Semences SA (FR)

BG FR HR IT
11 records

Red Anna

Active

Solanum tuberosum L. · Potato

VIKTOR KOPACKA

CZ SK UA
13 records

Natascha

Active

Solanum tuberosum L. · Potato

SAKA PFLANZENZUCHT GMBH AND CO KG

DE HR UA
14 records

Kiebitz

Active

Solanum tuberosum L. · Potato

Wolfgang Walter

DE HR UA
13 records

Faluka

Active

Solanum tuberosum L. · Potato

Private (NL)

HR NL UA
13 records

Anuschka

Active

Solanum tuberosum L. · Potato

Kartoffelzucht Böhm Inh. Gebrüder Böhm K.G.

AT LU UA
11 records

Ronaldo

Active

Solanum tuberosum L. · Potato

Ytzen Pieter van der Werff

NL UA
14 records

Malou

Active

Solanum tuberosum L. · Potato

Germicopa SAS, FR

FR PT
12 records

Lucinda

Active

Solanum tuberosum L. · Potato

Maurice Schehr c/o HZPC Holland B.V.

NL UA
14 records

Loane

Active

Solanum tuberosum L. · Potato

GERMICOPA SAS

MT PT
11 records

Karelia

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

DE UA
11 records

Laudine

Active

Solanum tuberosum L. · Potato

NIEDEROSTERREICHISCHE SAATBAUGENOSSENSCHAFT, AT

NL UA
12 records

Hermosa

Active

Solanum tuberosum L. · Potato

Rocus Pieter Graveland, Herre Kingma, Erven Kingma, Henderika Kingma-Krottje, Jarig Herre Kingma,

NL UA
12 records

Edison

Active

Solanum tuberosum L. · Potato

SOLANA GMBH & CO KG

NL UA
12 records

Connect

Active

Solanum tuberosum L. · Potato

Jacob Eising

NL UA
12 records

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