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

Rust of common wheat 1 722 Barley rust 466 Rust on perennial ryegrass 377 Sunflower rust 362 Triticale rust 294 Rust of Durum Wheat 268 Oat crown rust 182 Rust of sweet corn 157 Rust of rye 116 Bean rust 114 Rose Rust 114 Rust of Kentucky Bluegrass 110 Rust of Italian ryegrass 109 Apple Rust 106 Rust of tall fescue 104 Maize rust 77 Pear Rust 70 Rust of Italian Ryegrass 70 White Rust of Chrysanthemum 59 Rust of sugar beet 59 Rust on Black Currant 52 Leek Rust 52 Rust of Faba Bean 39 Rust of Faba Bean 38

Found in these crops

Bread wheat 1 739 Barley 468 Perennial ryegrass 378 Sunflower 368 Triticale 295 Durum wheat 269 Oat 183 Sweet corn 158 Rye 116 Common bean 115 Rose 114 Kentucky bluegrass 110

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.

Ethan

Active

Triticum aestivum L. · Bread wheat

Wiersum Plantbreeding B.V.

3 records

Dynamit

Active

Avena sativa L. · Oat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

3 records

Eddus

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

ROYAL SEEDS S.R.L.

2 records

Estela

Active

Avena strigosa Schreb. · Black oat

ROCALBA S.A.

2 records

Dulcinera

Active

Cucurbita maxima Duchesne · Giant pumpkin

TOKITA Sementi Italia srl

2 records

Ed

Active

Triticum aestivum L. · Bread wheat

Landwirtschaftliche Fachschule Edelhof Saatzucht

3 records

Espart

Terminated

Triticum aestivum L. · Bread wheat

V. Jorion & Fils S.A.

3 records

Ercole

Active

Asparagus officinalis L. · Asparagus

CREA-CENTRO DI RICERCA PER L'ORTICOLTURA (CREA-OF-PON)

2 records

Durtres

Terminated

Triticum durum Desf. · Durum wheat

Genetica y Gestion S.L.

3 records

Don Pedro

Terminated

Triticum durum Desf. · Durum wheat

C.I.MEJORAMIENTO MAIZ

2 records

Don Juan

Terminated

Triticum durum Desf. · Durum wheat

AGROVEGETAL, S.A.

3 records

Doubleshot

Terminated

Triticum aestivum L. · Bread wheat

RAGT 2n

3 records

Duma odes`ka

Active

Triticum aestivum L. · Bread wheat

Babaiants Ol`ha Vadymivna, Parfent`iev Mykhailo Hryhorovych, Reshetnikova Valentyna Semenivna, Solomonov Ruslan Viacheslavovych, Lytvynenko Raisa Ivanivna, Rubakha Serhii Andriiovych, Holub IEvheniia Anatoliivna, Honcharuk Nina Oleksandrivna, Topal Mykola

3 records

Don Valentín

Active

Triticum durum Desf. · Durum wheat

AGROVEGETAL, S.A.

3 records

DS Ronaldo

Active

Lolium multiflorum Lam. · Italian ryegrass

D'EUGENIO SEMENTI

2 records

Elodie

Terminated

Cichorium endivia L. · Endive

Les Graines Caillard Sa (FR)

2 records

Don Javier

Terminated

Triticum durum Desf. · Durum wheat

AGROVEGETAL, S.A.

3 records

Elioso

Active

Zea mays L. · Maize

SEMILLAS BATLLE S.A.

3 records

Doretta

Active

Cucurbita pepo L. · Field pumpkin

Vilmorin SA (FR)

2 records

Don Ricardo

Active

Triticum durum Desf. · Durum wheat

AGROVEGETAL, S.A.

3 records

Ed

Active

Lolium multiflorum Lam. · Italian ryegrass

University of Florida

3 records

Don Jose

Terminated

Triticum durum Desf. · Durum wheat

AGROVEGETAL, S.A.

3 records

Efektna

Active

Triticum aestivum L. · Bread wheat

STARYCHENKO VASYL MYKOLAIOVYCH, SHTAKAL MYKOLA IVANOVYCH, KOVALCHUK SERHII OLEKSANDROVYCH, DAVYDIUK HANNA VOLODYMYRIVNA, HOLYK LIUBOV MYKOLAIVNA

3 records

Eccelso

Active

Solanum lycopersicum L. · Tomato

ESASEM SPA. Via G. Marconi, 56 37052- Casaleone (VR), Italy

3 records

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Diseases

Powdery mildew 33 570
Fusarium wilt and blight 29 887
Viral mosaic diseases 22 022
Downy mildew 16 384
Leaf spot diseases 15 926
Verticillium wilt 12 175
Scab 12 064
Grey mold 7 316

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.