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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.

RGT Festadur

Active

Triticum durum Desf. · Durum wheat

RAGT 2N S.A.S

IT
4 records

Terralim

Active

Asparagus officinalis L. · Asparagus

Limgroup B.V.

NL
5 records

Santora

Active

Allium porrum L. · Leek

Hazera Seeds B.V.

NL
7 records

Raskila

Active

Festuca pratensis Huds. · Meadow fescue

Lietuvos agrarinių ir miškų mokslų centras

LT
3 records

Shinerock

Active

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

Syngenta Seeds B.V.

NL
3 records

STR Pace

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

DE
4 records

RGT Panigale

Active

Triticum aestivum L. · Bread wheat

RAGT 2n

ES
4 records

Pitino

Active

x Triticosecale Wittm. ex A. Camus · Triticale

ISEA S.R.L

IT
4 records

Rozmar

Active

Avena sativa L. · Oat

Selgen a.s., CZ

CZ
5 records

RGT Montreal

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

IT
4 records

RGT Anticiclon

Active

Triticum aestivum L. · Bread wheat

RAGT 2n

ES
4 records

RGT Macareno

Active

Triticum aestivum L. · Bread wheat

RAGT 2n

ES
4 records

Ramesse

Active

Triticum durum Desf. · Durum wheat

CGS SEMENTI S.P.A.

IT
4 records

Lightning

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

SESVanderHave N.V./S.A.

IT
3 records

LG Laureano

Active

Triticum durum Desf. · Durum wheat

Limagrain Europe S.A.S

ES
4 records

Polyup

Active

Allium schoenoprasum L. · Chives

Nunhems Germany GmbH

DE
5 records

Maqui

Active

Lolium perenne L. · Perennial ryegrass

DLF Seeds A/S

NL
4 records

Madame

Terminated

Hordeum vulgare L. · Barley

Secobra Saatzucht

DE
4 records

Nicola

Active

Triticum durum Desf. · Durum wheat

GENETIC SERVICES S.R.L.

IT
4 records

Mercule

Active

Lolium perenne L. · Perennial ryegrass

ILVO Plant

NL
3 records

Gioconda

Active

Triticum aestivum L. · Bread wheat

CGS SEMENTI S.P.A.

IT
3 records

Holster

Application submitted

Triticum aestivum L. · Bread wheat

Limagrain UK

DK
5 records

Larisa

Terminated

Triticum aestivum L. · Bread wheat

Agrigenetics (HR)

SI
3 records

Lumen

Protection expired

Lupinus albus L. · White lupin

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
4 records

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