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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.

Rosara

Active

Solanum tuberosum L. · Potato

VON KAMEKE KARTZ

CZ DE ES HR HU LT +5
24 records

Red Scarlett

Active

Solanum tuberosum L. · Potato

Y.P. van der Werff/ZPC

CZ EE HR HU IT LT +4
20 records

Lady christl

Active

Solanum tuberosum L. · Potato

MUIJSERS| J. Muijsers c/o C. Meijer B.V.

CZ DE FI FR NL PL +2
24 records

Sagitta

Active

Solanum tuberosum L. · Potato

ROCUS PIETER GRAVELAND

CZ IT NL PL UA
27 records

Verdi

Active

Solanum tuberosum L. · Potato

UNIPLANTA SAATZUCHT KG

CZ DE PL UA
24 records

Sylvana

Active

Solanum tuberosum L. · Potato

W R L SCHOLTENS

HR IT NL UA
26 records

Flamenco

Active

Solanum tuberosum L. · Potato

ZPC

ES FR NL UA
27 records

Ivory Russet

Active

Solanum tuberosum L. · Potato

ROCUS PIETER GRAVELAND

NL
22 records

Tomensa

Active

Solanum tuberosum L. · Potato

REITZIG DORLIES

AT CZ DE DK ES FR +7
20 records

Nikita

Application submitted

Solanum tuberosum L. · Potato

WOLF&WOLF

CZ DE DK ES FR HR +6
23 records

Vineta

Active

Solanum tuberosum L. · Potato

Yorh Ehhers

BG CZ DE EE HR HU +5
21 records

Ramos

Active

Solanum tuberosum L. · Potato

Van Rijn B.V.

BG CZ GR HR NL PL +2
25 records

Inova

Active

Solanum tuberosum L. · Potato

Van Rijn BV (NL)

CZ FR GR NL PL SK +1
22 records

Opal

Active

Solanum tuberosum L. · Potato

Solana, D

CZ DE HR PL UA
22 records

El Mundo

Active

Solanum tuberosum L. · Potato

STET HOLLAND

HR NL UA
21 records

Sunred

Active

Solanum tuberosum L. · Potato

STET Holland B.V.

NL UA
22 records

Sassy

Active

Solanum tuberosum L. · Potato

GERMICOPA SAS

NL SK
21 records

Memphis

Active

Solanum tuberosum L. · Potato

SCHEHR MAURICE / HARM MULDER

NL UA
26 records

Daifla

Active

Solanum tuberosum L. · Potato

Germicopa, F

FR MT
21 records

Nicola

Active

Solanum tuberosum L. · Potato

SOLTAU| Raiffeisen Centralheide eG

AT CZ DE ES FI FR +4
17 records

Karlena

Active

Solanum tuberosum L. · Potato

Steinbach/Pfeffer

CZ DE HR HU IE LT +4
16 records

Spunta

Active

Solanum tuberosum L. · Potato

U. OLDENBURGER (NL)

ES FR GR IE IT LU +2
21 records

Bellarosa

Active

Solanum tuberosum L. · Potato

Heinrich BOHM, DE

BG CZ HR HU PL PT +2
20 records

Almera

Active

Solanum tuberosum L. · Potato

Svalof Weibull AB

AT BG CZ HR NL PL +1
18 records

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