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Diseases

Rust

Pucciniales

Rust is a group of dangerous fungal diseases manifesting as pustules on plant organs. The disease significantly reduces yield by disrupting photosynthesis and increasing transpiration.

Mentioned in descriptions 14 859 varieties reference book.

Rust is a collective name for a group of fungal diseases whose pathogens belong to the order Pucciniales. Outwardly, the disease manifests as the formation of pustules on leaves, stems, and other parts of plants—cushions of orange, brown, or black color containing pathogen spores.

Active development of the disease depends on weather conditions, primarily high humidity in the form of dew, fog, or precipitation, and specific temperature ranges unique to each rust species. Additional risk factors include crop density, the presence of plant residues, and the proximity of alternate hosts necessary for the development of certain fungal species.

The evaluation of cultivar resistance in variety trials is carried out under natural or artificial infectious backgrounds during the milk stage by recording the percentage of infection on the flag leaf surface. Based on the data obtained, accessions are classified as immune, resistant, or susceptible, and molecular analysis methods are used to identify resistance genes, such as Lr34.

Sources10

Breakdown by crop

Found in these crops

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Moulton

Active

Triticum aestivum L. · Bread wheat

ELSOMS WHEAT

3 records

Moonshine

Terminated

Hordeum vulgare L. · Barley

Serasem S.A.S.

5 records

Mossette

Active

Triticum aestivum L. · Bread wheat

Dario Fossati

4 records

Rosa L. · Rose

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

3 records

Meridal

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

Aldo Fossati Agroscope

4 records

Korjuwko

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Rosa L. · Rose

WILHELM-ALEXANDER KORDES

3 records

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Kolmawhi

Active

Hypericum x inodorum Mill. · Tall tutsan

Jan de Jong

3 records

Triticum aestivum L. · Bread wheat

KWS UK LTD

4 records

LG Eagle

Active

Vicia faba L. · Broad bean

Limagrain Europe S.A.S

6 records

LG Cassidy

Terminated

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

4 records

Kolmagif

Terminated

Hypericum L. · St. John's wort

Wilhelmina J. B. de Jong-Tazelaar

3 records

Low Down

Active

Helianthus salicifolius A. Dietr. · Willow-leaf Sunflower

Keith R.W. Hammett

3 records

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

3 records

Rosa L. · Rose

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

3 records

Jorvik

Terminated

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

3 records

Kolmfa

Terminated

Hypericum L. · St. John's wort

Peter Kolster

3 records

LG Viper

Active

Vicia faba L. · Broad bean

Limagrain Europe S.A.S

6 records

KWS Gator

Terminated

Triticum aestivum L. · Bread wheat

KWS UK LTD

4 records

Rosa L. · Rose

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

3 records

LG Stego

Active

Vicia faba L. · Broad bean

Limagrain Europe S.A.S

6 records

Triticum aestivum L. · Bread wheat

KWS UK LTD

4 records

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