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.

SU Beeston

Active

Triticum aestivum L. · Bread wheat

ASUR Plant Breeding S.A.S

2 records

RGT Diplom

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

3 records

SO1044

Withdrawn

Triticum aestivum L. · Bread wheat

Rene Baraten

IT UA

3 records

Sleipner

Terminated

Triticum aestivum L. · Bread wheat

Eskilsson, Lars/Ewertson, Göran

DK SE

4 records

RW22278

Application submitted

Triticum aestivum L. · Bread wheat

RAGT 2n

ES IT

2 records

RADAR

Active

Triticum aestivum L. · Bread wheat

SEJET PLANT BREEDING

3 records

Raborika

Active

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

DLF Seeds A/S

4 records

Rilbury

Active

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

RAGT 2n, FR

CZ FR

2 records

Pireus

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

3 records

P0891

Active

Zea mays L. · Maize

PIONEER HI-BRED INT

4 records

Porilux

Active

Allium porrum L. · Leek

Hazera Seeds B.V.

NL UA

2 records

Poinville

Protection expired

Triticum durum Desf. · Durum wheat

Semences Cargill SA (FR)

ES FR

3 records

Muskat

Terminated

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

CZ DE

3 records

Melkim

Terminated

Lolium multiflorum Lam. · Italian ryegrass

Feldsaaten Freudenberger G.m.b.H. & Co Kommanditgesellschaft

2 records

Lonrina

Protection expired

Dianthus caryophyllus L. · Carnation

Barberet, Alexandre/Blanc, Henri

NL SE

2 records

Manella

Terminated

Triticum aestivum L. · Bread wheat

INNOSEEDS

DK FR

3 records

KWS Australe

Active

Triticum aestivum L. · Bread wheat

KWS MOMONT RECHERCHE SARL, FR

3 records

LISKAM

Active

Zea mays L. · Maize

Ken Christensen

2 records

Kant

Terminated

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

2 records

Igor

Terminated

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

HR PL

2 records

Hobby

Active

Triticum aestivum L. · Bread wheat

Výzkumné Centrum Selton s.r.o., Selgen A.S.

4 records

Hasso

Protection expired

Hordeum vulgare L. · Barley

LOCHOW-PETKUS

DK NL

3 records

Frostproof

Active

Lolium multiflorum Lam. · Italian ryegrass

Florida Foundation Seed Producers

3 records

Isis

Active

Impatiens New Guinea Group · New Guinea Impatiens

KIENTZLER| Ludwig Kientzler

DE IT

2 records

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Diseases

Powdery mildew 33 570
Fusarium wilt and blight 29 887
Viral mosaic diseases 22 022
Downy mildew 16 384
Leaf spot diseases 15 926
Verticillium wilt 12 175
Scab 12 064
Grey mold 7 316

All terms →

Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.