Clochard
ActiveCucumis sativus L. · Cucumber
MERIDIEM SEEDS S.L.
IT
2 records
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.
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.
Smyk
ActiveCucumis sativus L. · Cucumber
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
PL
2 records
Pokusa
ActiveCucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
PL
2 records
Gynial
ActiveCucumis sativus L. · Cucumber
Vilmorin SA (FR)
FR
2 records
Tejo
ActiveCucumis sativus L. · Cucumber
SEMILLAS FITO, S.A.
ES
2 records
Parys
ActiveCucumis sativus L. · Cucumber
Zakład Ogrodniczy Przyborów sp. z o.o. \Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
5 records
Optimum
Protection expiredCucumis sativus L. · Cucumber
Hybrids Ellas Abee
GR
2 records
Or Primizia
ActiveCucumis sativus L. · Cucumber
ORTORICERCA SRL
IT
2 records
Enija
ActiveCucumis sativus L. · Cucumber
Kees Broersen Zaden
PL
2 records
Skyluks
ActiveCucumis sativus L. · Cucumber
Syngenta Crop Protection AG
NL
4 records
Damasco
ActiveCucumis sativus L. · Cucumber
Enza Zaden Beheer B.V.
NL
2 records
Bishop
ActiveCucumis sativus L. · Cucumber
HAZERA SEEDS BV
ES
2 records
Aviator
ActiveCucumis sativus L. · Cucumber
Bejo Zaden B.V.
NL
3 records
Mountie
ActiveCucumis sativus L. · Cucumber
Syngenta Crop Protection AG
NL
2 records
Elsie
ActiveCucumis sativus L. · Cucumber
Syngenta Seeds B.V.
NL
3 records
Oktan
ActiveCucumis sativus L. · Cucumber
Enza Zaden Beheer B.V.
NL
4 records
Mervita
TerminatedCucumis sativus L. · Cucumber
HEVEKERL| A. Hevekerl in Fa. Carl Sperling & Co. (GmbH & Co. KG)
DE
2 records
Cosaco
ActiveCucumis sativus L. · Cucumber
SEMILLAS FITO, S.A.
ES
2 records
Parys Skierniewicki
ActiveCucumis sativus L. · Cucumber
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
3 records
Gaja
ActiveCucumis sativus L. · Cucumber
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
3 records
Cusina
Application submittedCucumis sativus L. · Cucumber
Nunhems Netherlands B.V.
NL
3 records
Knight Verde
ActiveCucumis sativus L. · Cucumber
Monsanto Vegetable IP Management B.V.
NL
3 records
Wiarus
TerminatedCucumis sativus L. · Cucumber
SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.
PL
2 records
Gemini 7
TerminatedCucumis sativus L. · Cucumber
Pieterpik B.V.
NL
2 records