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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.

Tango

Terminated

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

SCHUMANN INGEBORG

BE DE DK SE
5 records

WPB Francis

Active

Triticum aestivum L. · Bread wheat

WIERSUM PLANTBREEDING

EE LT PL
7 records

Wesley

Active

Lolium multiflorum Lam. · Italian ryegrass

DLF-TRIFOLIUM| DLF-Trifolium A/S

DE
11 records

SU Hyclass

Active

Triticum aestivum L. · Bread wheat

Asur Plant Breeding SAS Pôle Végétal de la Plaine d'Estrées

FR PL UA
7 records

Rumiloba

Active

Rubus idaeus L. · Red raspberry

Saatzucht Bauer Gmbh (DE)

DK FR NL SE
9 records

Roxy

Active

Beta vulgaris Sugar Beet Group · Sugar beet

MariboHilleshög ApS

DK ES LT NL
6 records

Rektor

Terminated

Triticum aestivum L. · Bread wheat

Saatzuchtwirtschaft Firlbeck GmbH + Co.KG

AT DK IE
6 records

Predora

Protection expired

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

NICKERS.RPB LTD&NICKER.IN

ES NL PL SI
5 records

Olomoucká dlouhá

Active

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

MORAVOSEED

CZ HU SK
5 records

Narbonne

Protection expired

Phaseolus vulgaris L. · Common bean

ROYAL SLUIS

CZ NL PL SK
6 records

Meister

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

DK PL
6 records

Melquatro

Active

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

JOST BEART

AT BE SI
5 records

Miranda

Active

Triticum aestivum L. · Bread wheat

SAULESCU NICOLAEITTU GHEORGHEMUSTATEA POMPILIUCIURA AURELITTU MARIANAPETCU ELENA

HR RO SI SK
6 records

LG Rozarka

Active

Triticum aestivum L. · Bread wheat

TOMAS NOVACEK

BG SK UA
7 records

Inspirea KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

DE ES FR NL
5 records

Jivago

Active

Triticum aestivum L. · Bread wheat

Pioneer Hi-bred International Inc. (USA)

ES FR HR IT
6 records

Forester

Terminated

Hordeum vulgare L. · Barley

PLANT BREEDING INTERNATIONAL CAMBRIDGE

DK ES FR NL
9 records

Hannibal

Active

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE GmbH&Co.KG, DE

DE FR NL
5 records

Dichter

Terminated

Triticum aestivum L. · Bread wheat

SAATZUCHT JOSEF BREUN GmbH&Co.KG

LT NL
6 records

Caballo

Protection expired

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

Limagrain Genetics Grandes Cultures SA (FR)

AT ES FR
5 records

RGT Molinac

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

RAGT 2n

DE ES FR
6 records

Ackersegen

Active

Solanum tuberosum L. · Potato

Kartoffelzucht Böhm Ing. Gebrüder Böhm K.G.

AT DE FR SK
5 records

Mahnum

Active

Helianthus annuus L. · Sunflower

Ukrainian Scientific Institute of Plant Breeding (VNIS) LLC

BG RO UA
7 records

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