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Diseases

Powdery Mildew of Black Currant

Ribes nigrum L.

A fungal disease caused by the obligate parasite Podosphaera mors-uvae. It primarily affects young leaves and shoots, leading to their deformation and necrosis.

In the reference 143 varieties crop Blackcurrant, where this is mentioned in the description.

The pathogen is the fungus Podosphaera mors-uvae, which overwinters as cleistothecia on plant debris and shoots. In the spring, when buds break, primary infection occurs via ascospores. The disease appears shortly after flowering as a white, web-like mycelium, which eventually thickens, darkens, and becomes covered with black dots, the fruiting bodies of the fungus.

The pathogen actively infects young leaves and the tips of growing shoots; black currant fruits are rarely affected. Affected leaves curl and dry out, while the deformation and stunted growth of shoots lead to weakening of the plant and reduced productivity.

In resistance breeding, interspecific hybrids and genetic factors, such as the Sph3 and R genes, are employed. Breeders aim to combine several resistance genes into a single genotype; however, in commercial practice, varieties are evaluated based on their field resistance to local pathogen populations.

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

Sources8

Varieties of Blackcurrant 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.

Tifon

Active

Ribes nigrum L. · Blackcurrant

FR
4 records

Zuzka

Active

Ribes nigrum L. · Blackcurrant

SK
3 records

Eva

Protection expired

Ribes nigrum L. · Blackcurrant

CZ SK
4 records

Moravia

Active

Ribes nigrum L. · Blackcurrant

CZ
4 records

Ben Tron

Active

Ribes nigrum L. · Blackcurrant

NL
6 records

Triton ISK

Terminated

Ribes nigrum L. · Blackcurrant

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Suita Kijewskaja

Withdrawn

Ribes nigrum L. · Blackcurrant

Institut Sadiwnictwa Ukrainska Akademija Agrarnich Nauk Volodymyr Kopan

PL
1 record

Kozats`ka

Terminated

Ribes nigrum L. · Blackcurrant

Kopan` V.P., Kopan` K.N.,

UA
1 record

Foxendown

Withdrawn

Ribes nigrum L. · Blackcurrant

Horticulture Research International| GB

CZ
2 records

Alli

Active

Ribes nigrum L. · Blackcurrant

Estonian University of Life Sciences

EE
2 records

Titania ISK

Active

Ribes nigrum L. · Blackcurrant

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Blizgiai

Terminated

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Ben Lomond WIL

Terminated

Ribes nigrum L. · Blackcurrant

Gospodarstwo Ogrodnicze Jerzy Wilczewski

PL
1 record

Kobza

Application submitted

Ribes nigrum L. · Blackcurrant

Shylo Mykola Petrovych, Mamchenko Hennadii Serhiiovych,

UA
4 records

Pilėnai

Terminated

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Beloruskaja sladkaja

Protection expired

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Gagatai

Terminated

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Gojai

Terminated

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centras

LT
1 record

Ben Nevis WBS

Terminated

Ribes nigrum L. · Blackcurrant

Gospodarstwo Ogrodnicze Wiesław Błocki

PL
1 record

Dailiai

Terminated

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Merezhka

Active

Ribes nigrum L. · Blackcurrant

Tereshcenko IAna IUriivna, Yareshcenko Oleksandr Mykolaiovych,

UA
2 records