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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.

Kormelpea

Active

Rosa L. · Rose

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

3 records

Korjuwko

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Korlisuha

Active

Rosa L. · Rose

WILHELM-ALEXANDER KORDES

3 records

KORbylosang

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Korbehati

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

KORjuknei

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

KORUHLNEU

Active

Rosa L. · Rose

Wilhelm-Alexander Kordes/ Tim-Herman Kordes/ John-Vincent Kordes

3 records

KORROSOBI

Active

Rosa L. · Rose

Wilhelm-Alexander Kordes/ Tim-Herman Kordes/ John-Vincent Kordes

3 records

AUSCP17117

Active

Rosa L. · Rose

David Austin Roses

4 records

TAN98383

Terminated

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

DE PL
2 records

WEZEIP

Terminated

Rosa L. · Rose

WEEKS OL (US)

FR
2 records

Meikinba

Terminated

Rosa L. · Rose

ALAIN ANTOINE MEILLAND (FR)

FR
2 records

Magseed

Terminated

Rosa L. · Rose

MOORE RALPH

DE
2 records

MASmabay

Protection expired

Rosa L. · Rose

Roseraies Pierre Guillot, Roseraies Pierre Guillot

FR
2 records

JACloose

Active

Rosa L. · Rose

Zary Keith W.|Thousand Oaks, CA, US

FR
2 records

JACurnam

Active

Rosa L. · Rose

Zary Keith W.|Somis, CA

FR
2 records

TAN09562

Active

Rosa L. · Rose

CHRISTIAN EVERS

2 records

TAN01780

Active

Rosa L. · Rose

CHRISTIAN EVERS

2 records

Tan12639

Active

Rosa L. · Rose

CHRISTIAN EVERS

2 records

Radpetals

Active

Rosa L. · Rose

William J. Radler

2 records

Poulpah113

Active

Rosa L. · Rose

Poulsen Roser A/S

2 records

Radwire

Active

Rosa L. · Rose

William J. Radler

3 records

Poulpal102

Active

Rosa L. · Rose

Poulsen Roser A/S

2 records