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Diseases

Rose Rust

Rosa L.

A fungal disease of roses caused by specialized parasites of the genus Phragmidium. It manifests as bright orange pustules on the aerial parts of the plants, leading to shoot deformation and premature leaf drop.

In the reference 114 varieties crop Rose, where this is mentioned in the description.

The causative agents of the disease are obligate autoecious parasites Phragmidium mucronatum, Phragmidium tuberculatum, and other species of this genus, which infect leaves, stems, and buds. In spring, swellings and cracks with orange spore cushions form on young shoots and buds, while chlorotic spots appear on the upper side of the leaves.

During the growing season, bright orange uredinia form on the underside of the leaves, which are replaced by dark teliospores intended for the pathogen's overwintering toward the end of the season. Severe infection causes deformation of plant organs and disruption of water balance, which leads to significant exhaustion of the bush.

General information about the subject — on the page Rust.

Sources8

Varieties of Rose 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.

Poulpah123

Active

Rosa L. · Rose

Poulsen Roser A/S

2 records

Meitadeha

Active

Rosa L. · Rose

Meilland Alain A.

3 records

Meirestifsar

Active

Rosa L. · Rose

Alain Antoine Meilland

2 records

Meicerafyn

Active

Rosa L. · Rose

Meilland Alain A.

2 records

Kormelaus

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

2 records

Koraplicam

Active

Rosa L. · Rose

Wilhelm-Alexander Kordes, Tim-Hermann Kordes, John-Vincent Kordes

2 records

Harnext

Active

Rosa L. · Rose

HARKNESS NEW ROSES LTD

3 records

Harfrisky

Active

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

Harfracas

Protection expired

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

Harextra

Active

Rosa L. · Rose

HARKNESS NEW ROSES LTD

3 records

Bokraruicri

Active

Rosa L. · Rose

Boot & Co. Boomkwekerijen B.V., De Ruiter Intellectual Property B.V.

2 records

ADAROCONA

Active

Rosa L. · Rose

Michel Adam

2 records

Cecilia

Active

Rosa L. · Rose

FI NL
3 records

Wekdieliopa

Active

Rosa L. · Rose

Weeks Roses (US)

FR
1 record

Tanyrolf

Terminated

Rosa L. · Rose

EVERS HANS-JUERGEN| Hans-Juergen Evers

DE
1 record

Sume

Active

Rosa L. · Rose

Uno Kivistik

EE
1 record

Plahasdor

Terminated

Rosa L. · Rose

HASCHKE| Erwin Haschke

DE
1 record

Peach Melba

Terminated

Rosa L. · Rose

KORDES' SOEHNE| W. Kordes' Soehne Rosenschulen GmbH & Co KG

DE
1 record

Khortytsia

Active

Rosa L. · Rose

Chyzhankova Valentyna Ivanivna, Rubtsova Olena Leonidivna,

UA
2 records

INTROPI

Terminated

Rosa L. · Rose

INTERPLANT BV (NL)

FR
1 record

Herzog von Windsor

Protection expired

Rosa L. · Rose

TANTAU NACH| Rosen Tantau Mathias Tantau Nachfolger

DE
1 record