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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

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.

Setino

Active

Cucurbita pepo L. · Field pumpkin

OLTER SRL

IT
2 records

Sekret

Active

x Triticosecale Wittm. ex A. Camus · Triticale

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

PL
3 records

Senatrit

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Senasa

ES
3 records

SF 1280

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Illinois Foundation Seeds, Inc (US)

FR
2 records

Shamrock

Protection expired

Poa pratensis L. · Kentucky bluegrass

Lesco Inc.

DE
3 records

Skif

Active

Triticum aestivum L. · Bread wheat

Výzkumné Centrum Selton s.r.o., Selgen A.S.

CZ
3 records

SF 1979

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Illinois Foundation Seeds

ES
2 records

SF 1571

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Illinois Foundation Seeds, Inc (US)

FR
2 records

Sandomir

Terminated

Triticum aestivum L. · Bread wheat

Gesellschaft für goetheanistische Forschung e.V.

DE
2 records

Savoy

Active

Triticum aestivum L. · Bread wheat

University of Georgia Research Foundation

NL
3 records

SANDOWN

Terminated

Triticum aestivum L. · Bread wheat

P.BREED.INT.CAMBRIDGE

ES
3 records

Sanford

Active

Phaseolus vulgaris L. · Common bean

KWS VEGETABLES B.V.

NL
4 records

Samuno

Terminated

Triticum aestivum L. · Bread wheat

ERHARD EBMEYER

DE
3 records

Seagull

Active

Phaseolus vulgaris L. · Common bean

Pop Vriend Research B.V.

NL
3 records

Salam

Active

Lolium multiflorum Lam. · Italian ryegrass

Semillas El Solc

PT
3 records

Rübezahl

Active

Triticum aestivum L. · Bread wheat

SECOBRA RECHERCHES S.A.S

DE
3 records

Rusałka

Active

Triticum aestivum L. · Bread wheat

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

PL
5 records

Rubin

Active

Triticum aestivum L. · Bread wheat

Kärntner Saatbau e.Gen.

AT
2 records

Royal Roussillon

Active

Prunus armeniaca L. · Apricot

Sica Centrex (FR)/Institut National de la Recherche Agronomique (FR)

FR
4 records

Ristretto

Application submitted

x Triticosecale Wittm. ex A. Camus · Triticale

Lantmannen SW Seed BV (NL)

FR
2 records

Rinner Winterweizen

Active

Triticum aestivum L. · Bread wheat

Amt der Tiroler Landesregierung

AT
2 records

Rustico

Active

Solanum torvum Sw. · Turkey berry

Seeds Technologies Italia s.r.l.

IT
2 records

Rodion

Protection expired

Hordeum vulgare L. · Barley

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
3 records

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