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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.

CAUDAL

Application submitted

Cucumis sativus L. · Cucumber

SEMILLAS FITO, S.A.

ES
1 record

Vesna F1

Terminated

Cucumis sativus L. · Cucumber

Mashtakov Mykola Oleksiiovych, Mashkova Hanna Kharlampiievna, Mashtakov Oleksii Oleksiiovych, Dubinin Serhii Volodymyrovych,

UA
2 records

Anuschka MIX

Withdrawn

Cucumis sativus L. · Cucumber

ROYAL SLUIS

PL
2 records

Nibori

Active

Cucumis sativus L. · Cucumber

Shcevchenko Igor

UA
2 records

ABEDUL

Withdrawn

Cucumis sativus L. · Cucumber

SEMILLAS FITO, S.A.

ES
1 record

CABAÑAS

Application submitted

Cucumis sativus L. · Cucumber

MERIDIEM SEEDS S.L.

ES
1 record

Marilisa

Active

Cucumis sativus L. · Cucumber

Enza Zaden Beheer B.V.

NL
1 record

Cucumis sativus L. · Cucumber

Vol`fhanh Otte

UA
2 records

Cucumis sativus L. · Cucumber

Lim Sang Hwa

UA
2 records

TANYA

Withdrawn

Cucumis sativus L. · Cucumber

Seminis Vegetable Seeds

ES
1 record

Cucumis sativus L. · Cucumber

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

UA
1 record

Blanka F1

Terminated

Cucumis sativus L. · Cucumber

Jan Prasil

UA
1 record

Korol`ok F1

Terminated

Cucumis sativus L. · Cucumber

Khokhlova Nataliia Oleksiivna, Ivanova Anna Pavlivna, Suchkova Liubov Vasylivna,

UA
1 record

YEKTA

Application submitted

Cucumis sativus L. · Cucumber

SEMILLAS FITO, S.A.

ES
1 record

Amour F1

Active

Cucumis sativus L. · Cucumber

Her Bemsdeburh

UA
2 records

Szatmar F1

Terminated

Cucumis sativus L. · Cucumber

(Ulveczki Gabriella), (Dr.Szarka Janos), (Balogh Peter),

UA
1 record

Vertina F1

Application submitted

Cucumis sativus L. · Cucumber

Paul Degreef

UA
2 records

Kolombo

Active

Cucumis sativus L. · Cucumber

Naumov Ruslan Olehovych, Krasniuk Viacheslav Anatoliiovych,

UA
2 records

Schedryk F1

Terminated

Cucumis sativus L. · Cucumber

Shevkunov Valerii Mykolaiovych, Prutens`ka Nataliia Oleksiivna, Shamshyna Anna Viacheslavovna, Portiankin Alieksiei IEvhenovych, Havrysh Serhii Fedorovych,

UA
1 record

Toska

Terminated

Cucumis sativus L. · Cucumber

Domaine Public (FR)

FR
1 record

Troi F1

Terminated

Cucumis sativus L. · Cucumber

Dementieva Alevtyna Volodymyrivna, Medviediev Anatolii Vasyl`ovych, Neporozhna IEvheniia Oleksandrivna,

UA
2 records

Fermer F1

Terminated

Cucumis sativus L. · Cucumber

Krylov Oleh Mykolaiovych, Borysov Oleksandr Volodymyrovych,

UA
1 record

Cucumis sativus L. · Cucumber

Havrysh Serhii Fedorovych, Dubinin Serhii Volodymyrovych,

UA
2 records

Smak F1

Terminated

Cucumis sativus L. · Cucumber

Medvediev Anatolii Vasyl`ovych, Serhiienko Oksana Volodymyrivna, Pluzhnikova Liudmyla IEhorivna, Lisitsyn Rima Petrivna, Lisitsyn Volodymyr Mykolaiovych,

UA
1 record

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