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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.

Es Argentic

Active

Helianthus annuus L. · Sunflower

Euralis Semences, Mondoville (FR)

BG ES FR HR IT SK +1
12 records

Marmota

Active

Lolium x hybridum Hausskn. · Hybrid ryegrass

Forschungsanstalt fur Agrarokologie und Landwirtschaft, CH-8046 Zurich

AT CZ DE DK FR LU +1
15 records

NK Delfi

Active

Helianthus annuus L. · Sunflower

SYNGENTA SEEDS AG, CH

AT BG CZ FR HR HU +1
13 records

Gator

Active

Lolium perenne L. · Perennial ryegrass

INTERNATIONAL SEEDS INC

CZ DE EE FR HU PL +1
18 records

ES Romantic

Active

Helianthus annuus L. · Sunflower

Euralis Semences, Mondonville FR

BG FR HU IT PT RO +1
14 records

Dinaro

Active

x Triticosecale Wittm. ex A. Camus · Triticale

DANKO HODOWLA| "DANKO" Hodowla Roslin Sp. z o.o.

CZ DE DK LT NL PL +1
16 records

Baronial

Active

Poa pratensis L. · Kentucky bluegrass

BARENBRUG HOLLAND| Barenbrug Holland B.V. (Variety Administration)

CZ DE DK FI HU SK +1
14 records

Zhana

Active

Hordeum vulgare L. · Barley

Secobra Saatzucht

AT CZ DK SI SK UA
17 records

Bartitia

Protection expired

Poa pratensis L. · Kentucky bluegrass

Theodorus P.M. op den Kamp

CZ DE DK HU NL PL +1
18 records

Lacerta

Active

Lolium perenne L. · Perennial ryegrass

Forschungsanstalt Agroscope Reckenholz-Tänikon ART Herrn Dr. Beat Boller

CZ DE DK EE FR PL
16 records

KWS Dolaro

Active

Secale cereale L. · Rye

Peer Wilde^^^Brigitta Schmiedchen^^^Jutta Menzel

AT DE DK EE PL UA
14 records

Julius

Active

Poa pratensis L. · Kentucky bluegrass

Francois van der Hee

CZ DE DK FI SK UA
16 records

Focus

Active

Hordeum vulgare L. · Barley

SECOBRA RECHERCHES S.A.S

CZ DE DK FI FR UA
22 records

Sparta

Active

Dactylis glomerata L. · Cocksfoot

DLF-TRIFOLIUM A/S

DK EE ES FR LT
14 records

Esquire

Active

Lolium perenne L. · Perennial ryegrass

MOMMERSTEEG INTERNATIONAL

DE DK HR IT
15 records

Soraya

Active

Solanum tuberosum L. · Potato

WOLFGANG Walter, DE

DE HR UA
16 records

Jakubus

Active

Hordeum vulgare L. · Barley

Nordsaat Saatzuchtgesellschaft m.b.H. (DE)

CZ EE FR HU LT PL +1
18 records

Cornetto

Active

Triticum aestivum L. · Bread wheat

Secobra Saatzucht

AT EE FI LT LU LV +1
18 records

LG Absalon

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, FR

BG FR IT RO SK UA
18 records

Balaton

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau, A

AT BG HU PL SI SK +1
20 records

KWS Eterno

Active

Secale cereale L. · Rye

WILDE Peer, DE

AT DE DK EE PL UA
19 records

Capriccio

Active

Festuca rubra L. · Red fescue

Force Limagrain SA (FR)

DE DK FI FR HR
13 records

Renan

Active

Triticum aestivum L. · Bread wheat

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

AT BE BG FR HR RO +1
18 records

Tybalt

Active

Triticum aestivum L. · Bread wheat

Wiersum Plantbreeding B.V.

EE FR LT LU NL PL +1
20 records

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