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Diseases

Bacterial angular leaf spot of cucumber

Cucumis sativus L.

A disease caused by the bacterium Pseudomonas syringae pv. lachrymans, manifesting as angular spots on leaves and ulcers on fruits. It affects all aerial plant organs and can lead to the death of seedlings.

In the reference 30 varieties crop Cucumber, where this is mentioned in the description.

The causal agent of the disease belongs to the family Pseudomonadaceae and is a Gram-negative aerobic rod-shaped bacterium. The pathogen is a facultative parasite that infects cotyledons, leaves, stems, petioles, flowers, and fruits of the crop.

A characteristic symptom of leaf infection is brown, oily, angular spots delimited by leaf veins. Under high humidity, bacterial exudate appears on the underside of the spots, and subsequently, the affected tissues dry out and fall out. Small, round, watery ulcers develop on the fruits, leading to deformation and loss of market quality, while on the cotyledons of seedlings, the disease manifests as light brown spots.

General information about the subject — on the page Bacterial diseases.

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.

Diana

Active

Cucumis sativus L. · Cucumber

PETOSEED CO

CZ DK ES HU NL SK
8 records

Regina

Active

Cucumis sativus L. · Cucumber

SEMO a.s

BG CZ FR NL SK
8 records

Tytus

Active

Cucumis sativus L. · Cucumber

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

LT PL
4 records

Dekan

Active

Cucumis sativus L. · Cucumber

KRYMSKAYA OPYTNO-SELEKCZIONNAYA STANCZIYA VNIIR

AT
4 records

Szatmár

Active

Cucumis sativus L. · Cucumber

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

HU UA
3 records

NUN 5062

Active

Cucumis sativus L. · Cucumber

Nunhems Netherlands B.V.

NL UA
5 records

RODNIChOK

Active

Cucumis sativus L. · Cucumber

PRIDNESTROVSKIJ NIISX

CZ
3 records

Lyutoyar

Active

Cucumis sativus L. · Cucumber

Yuksel Tohumculuk LTD

UA
4 records

Eureka

Active

Cucumis sativus L. · Cucumber

PETOSEED CO

NL
3 records

Homer

Withdrawn

Cucumis sativus L. · Cucumber

SYNGENTA SEEDS B.V.

ES NL
2 records

Shintokiwa

Active

Cucumis sativus L. · Cucumber

ReinSaat KG

AT
2 records

Natalie

Active

Cucumis sativus L. · Cucumber

CZ SK
3 records

Svatava

Active

Cucumis sativus L. · Cucumber

CZ
2 records

Lada

Active

Cucumis sativus L. · Cucumber

CZ
2 records

Zefir F1

Terminated

Cucumis sativus L. · Cucumber

Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

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

Rodničiok

Terminated

Cucumis sativus L. · Cucumber

FGUP ,,Volgogradsortsemovošč"

LT
1 record

Plantus

Terminated

Cucumis sativus L. · Cucumber

Instytut Warzywnictwa im. Emila Chroboczka

PL
2 records

Mamai F1

Terminated

Cucumis sativus L. · Cucumber

Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

UA
2 records

Kacper F1

Terminated

Cucumis sativus L. · Cucumber

Barbara Khrzhanovs`ka, Yezhy Matchak, Tereza Bartlomiieschak,

UA
2 records

Briz F1

Terminated

Cucumis sativus L. · Cucumber

Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

UA
2 records

Vladko F1

Application submitted

Cucumis sativus L. · Cucumber

UA
1 record