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.

Aldebaran

Active

Dactylis glomerata L. · Cocksfoot

Klaus K. Nielsen

AT DE FR UA

10 records

Tetrastar

Active

Lolium perenne L. · Perennial ryegrass

DLF-TRIFOLIUM DANSK PLANTEFORAEDLING

DK FR IT

13 records

Tomahawk

Active

Festuca arundinacea Schreb. · Tall fescue

PURE SEED TESTING

FR PL UA

12 records

Revolin

Active

Dactylis glomerata L. · Cocksfoot

WOLTERS LUKAS / STELLING DIETER

DE FR UA

11 records

Brooklawn

Active

Poa pratensis L. · Kentucky bluegrass

WILLIAM MEYER

ES FR UA

9 records

Capri

Active

Lolium perenne L. · Perennial ryegrass

Limagrain Genetics BV (NL)

FR HU NL

11 records

Barelite

Active

Festuca arundinacea Schreb. · Tall fescue

Barenbrug Tourmeur France

CZ EE FR

12 records

Barimpala

Active

Poa pratensis L. · Kentucky bluegrass

Barenbrug Holland BV (NL)

DE FR HR

13 records

Serengeti

Active

Phaseolus vulgaris L. · Common bean

VAN KAMPEN FRANK

NL UA

12 records

Noare

Active

Rosa L. · Rose

WERNER NOACK

DE PL

9 records

Malou

Active

Solanum tuberosum L. · Potato

Germicopa SAS, FR

FR PT

12 records

La Vie

Active

Solanum tuberosum L. · Potato

R.P.GRAVELAND

FR NL

12 records

Essential

Active

Festuca arundinacea Schreb. · Tall fescue

DLF-TRIFOLIUM DANSK PLANTEFORAEDLING

FR IT

13 records

Barolex

Active

Festuca arundinacea Schreb. · Tall fescue

LIAN VAN KRUIJSSEN

FR HR

12 records

Naomie

Active

Hordeum vulgare L. · Barley

Saaten Union Recherche (FR)

DE EE FR LT LV UA

15 records

Milford

Active

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GMBH and CO.KG

DE EE FI FR LT LU

15 records

WPB Troy

Active

Triticum aestivum L. · Bread wheat

WIERSUM PLANTBREEDING

EE FI LT PL UA

14 records

KWS Florano

Active

Secale cereale L. · Rye

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

AT DE DK EE PL UA

11 records

Altigo

Active

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

BG FR HU RO SK UA

13 records

Promiso

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Lantmannen SW Seed BV (NL)

AT CZ DE FR LT PL

11 records

Maurizio

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau, A

AT HU RO SK UA

14 records

LG Asterion

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG ES FR HU RO SK

13 records

Belcanto

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Danko Hodowla Roslin Sp.z.o.o.

AT CZ DE LT LU PL

14 records

Yoda

Active

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GMBH and CO.KG

DE EE FI FR LT UA

17 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

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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.