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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.

Agen

Active

Triticum aestivum L. · Bread wheat

APSOVSEMENTI S.P.A.

FR
4 records

Aiace vst

Active

Triticum aestivum L. · Bread wheat

VENTUROLI SEMENTI S.R.L.

GR
4 records

Notilus

Active

Vicia faba L. · Broad bean

Agri-Obtentions S.A., Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

5 records

Bethune

Terminated

Linum usitatissimum L. · Common flax

University of Saskatchewan

3 records

Taganrog

Active

Triticum durum Desf. · Durum wheat

MAL'ChIKOV PETR NIKOLAEVICh / MYaSNIKOVA MARINA GERMANOVNA / NATOLI VINCENZO

4 records

Nanaux

Active

Vicia faba L. · Broad bean

SENOVA LTD

4 records

Lunar

Active

Phaseolus vulgaris L. · Common bean

KWS VEGETABLES B.V.

NL UA
4 records

Alby

Active

Capsicum annuum L. · Bell pepper

Clause Semences SA (FR)/Institut National de la Recherche Agronomique (FR)

FR
3 records

LG Aragonit

Active

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

PL UA
3 records

WPB Devon

Active

Triticum aestivum L. · Bread wheat

Wiersum Plantbreeding B.V.

CZ DE
3 records

Tolerix

Active

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL UA
3 records

Tomclair

Protection expired

Triticum durum Desf. · Durum wheat

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

ES FR
4 records

TAN98383

Terminated

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

DE PL
2 records

Unal

Active

Populus L. · Poplar

AMINAL-INSTITUUT BOSBOUW EN WILDBEHEER E.V.

BE HU
2 records

Thalamus

Active

Triticum aestivum L. subsp. aestivum · Bread wheat

DEUTSCHE SAATVEREDELUNG AG

AT DE
2 records

Tom

Active

Triticum aestivum L. · Bread wheat

Regents of the University of Minnesota

DK
2 records

Ugo

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

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

PL SK
2 records

T 228 B

Terminated

Helianthus annuus L. · Sunflower

AGRA SEED RESEARCH INTERN

ES FR
2 records

Tarandus

Active

Lolium multiflorum Lam. · Italian ryegrass

Forschungsanstalt Agroscope Reckenholz-Tänikon ART Herrn Dr. Beat Boller

DE
5 records

Taarn

Terminated

Hordeum vulgare L. · Barley

Lantmännen SW Seed

DK SE
4 records

Sorel

Active

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

HM.CLAUSE

FR UA
2 records

SY Pantheoon

Active

Hordeum vulgare L. · Barley

Syngenta Crop Protection AG, CH

FR HR
2 records

Tadek

Withdrawn

x Triticosecale Wittm. ex A. Camus · Triticale

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

FR PL
2 records

Sperber

Terminated

Triticum aestivum L. · Bread wheat

LOCHOW-PETKUS

BE
2 records

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