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Diseases

Powdery mildew of cucumber

Cucumis sativus L.

A fungal disease of cucumber caused by the obligate parasites Podosphaera xanthii and Golovinomyces cichoracearum, characterized by the appearance of a white powdery coating on leaves and a reduction in the market quality of fruits.

In the reference 1 031 varieties crop Cucumber, where this is mentioned in the description.

The pathogens of the disease are the ascomycetes Podosphaera xanthii and Golovinomyces cichoracearum. The infection begins with the appearance of an inconspicuous white coating on the underside of the leaves, which later forms white spots on the upper side of the leaf blade, increasing in size and merging into a continuous coating.

As the disease progresses, the leaves become deformed, wavy, and dry out, and in cases of severe infection, the vines die. Although the pathogen rarely affects the fruits directly, the general dehydration of the plant leads to fruit dwarfing, loss of marketability, and the development of bitterness.

Genetic resistance of the crop is controlled by a group of recessive pm genes, including pm-1, pm-2, pm-3, and pm-h. In the international classification of varieties, resistance to the pathogens Px (Podosphaera xanthii) and Gc (Golovinomyces cichoracearum) is indicated by codes HR for high resistance and IR for intermediate resistance.

General information about the subject — on the page Powdery mildew.

Sources8

Varieties of Cucumber 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.

Media

Active

Cucumis sativus L. · Cucumber

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

CZ NL PL SK
7 records

Tumi

Active

Cucumis sativus L. · Cucumber

LUIS MULLOR

NL UA
9 records

Mirabelle

Active

Cucumis sativus L. · Cucumber

VEGETABLE MONSANTO B.V.

NL PL
8 records

Sprinter

Active

Cucumis sativus L. · Cucumber

SMEDEKS Co d.o.o

ES HU NL
8 records

Corona

Protection expired

Cucumis sativus L. · Cucumber

DE RUITER ZONE

CZ ES HU NL PL SK
8 records

Proscore

Active

Cucumis sativus L. · Cucumber

Nunhems B.V., 6083 AB Nunhem

NL UA
11 records

Sound

Active

Cucumis sativus L. · Cucumber

RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.

NL UA
9 records

Artist

Active

Cucumis sativus L. · Cucumber

Bejo Zaden, NL

NL
9 records

Profi

Active

Cucumis sativus L. · Cucumber

Nunhems, NL

CZ HR HU NL SK
7 records

Ajax

Active

Cucumis sativus L. · Cucumber

Nunza B.V.

BG HR NL
8 records

Stimora

Active

Cucumis sativus L. · Cucumber

Nunhems BV (NL)

CZ HR HU NL PL SK
7 records

Maresa

Active

Cucumis sativus L. · Cucumber

MONSANTO HOLLAND BV , NL

NL UA
10 records

Spino

Active

Cucumis sativus L. · Cucumber

SYNGENTA SEEDS B.V.

NL UA
7 records

Shakthi

Active

Cucumis sativus L. · Cucumber

RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.

NL UA
8 records

Marinda

Active

Cucumis sativus L. · Cucumber

Seminis Vegetable Seeds

CZ NL PL SI
7 records

Liszt

Active

Cucumis sativus L. · Cucumber

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
10 records

Madrilene

Active

Cucumis sativus L. · Cucumber

Monsanto Vegetable IP Management B.V.

NL UA
10 records

Asterix

Active

Cucumis sativus L. · Cucumber

Bejo Zaden B.V.

CZ NL PL SI
8 records

Edona

Active

Cucumis sativus L. · Cucumber

Royal Sluis France Sarl (FR)

CZ FR HR SK
6 records

Mira

Active

Cucumis sativus L. · Cucumber

MORAVOSEED

CZ HU SK
6 records

Vigora

Active

Cucumis sativus L. · Cucumber

ALEKSEEV YuRIJ BORISOVICh

CZ HU NL SK
6 records

Alibi

Protection expired

Cucumis sativus L. · Cucumber

Bejo Zaden B.V.

BG NL PL SI
7 records

Vigorex

Active

Cucumis sativus L. · Cucumber

Syngenta Seeds B.V.

CZ HU NL PL SK
7 records

Thunder

Active

Cucumis sativus L. · Cucumber

Seminis Vegetables (NL)

ES NL SI SK
7 records

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