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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.

Figaro

Active

Avena sativa L. · Oat

Danko Hodowla Roslin Sp.z.o.o.

PL
4 records

Fiji

Active

Phaseolus vulgaris L. · Common bean

Bakker Brothers Gebroeders Bakker Zaadteelt en Zaadhandel BV

PL
3 records

Frekula DS

Active

Avena sativa L. · Oat

Lietuvos agrarinių ir miškų mokslų centras

LT
3 records

Forridena

Active

Avena sativa L. · Oat

SEMILLAS BATLLE, S.A.

ES
2 records

Fedra

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

MATTON CLOVIS

BE
2 records

FLINT

Terminated

Triticum aestivum L. · Bread wheat

Syngenta UK Ltd

DK
5 records

Flightline

Active

Lolium perenne L. · Perennial ryegrass

PURE SEED TESTING

PL
2 records

Fleurus

Protection expired

Triticum aestivum L. · Bread wheat

Sogroup (FR)

FR
4 records

Estera

Terminated

Triticum aestivum L. · Bread wheat

Agrigenetics d.o.o. (HR)

HR
2 records

Factor

Active

Cucumis melo L. · Melon

UNITED GENETICS SEEDS CO

PT
2 records

Evoliutsiia

Active

Hordeum vulgare L. · Barley

Hoiman Serhii Volodymyrovych, Sheremet Oleksandr Martynovych, Lehkun Ihor Borysovych, Linchevskyi Anatolii Adamovych,

UA
3 records

Exodur

Terminated

Triticum durum Desf. · Durum wheat

SE.CO.CE. SEMENCES SA (FR)

FR
3 records

Eternity

Active

Hordeum vulgare L. · Barley

Agri-Obtentions S.A.

FR
2 records

Etoile de choisy

Protection expired

Triticum aestivum L. · Bread wheat

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
2 records

Escacena

Terminated

Triticum aestivum L. · Bread wheat

AGROVEGETAL, S.A.

ES
3 records

Federer

Active

Triticum aestivum L. · Bread wheat

RAGT CZECH S.R.O.

CZ
3 records

Exeter

Withdrawn

Avena sativa L. · Oat

Saatzucht Edelhof

CZ
2 records

Earlibird

Active

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

Illinois Foundation Seeds Central Office and Research (US)

FR
2 records

Exodus

Terminated

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

Novartis Seeds B.V.

NL
4 records

Edzio

Active

Avena sativa L. · Oat

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

PL
3 records

Eliot

Protection expired

Brassica napus var. napus · Rapeseed

Rustica Prograin Genetique SA (FR)

FR
2 records

Durona

Active

Solanum melongena L. · Eggplant

BLUMEN GROUP S.P.A

IT
2 records

Eurofit

Active

Solanum tuberosum L. · Potato

Europlant Innovation GmbH & Co. KG

DE
3 records

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