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 Midnight

Active

Hordeum vulgare L. · Barley

W.von Borries-Eckendorf, D

AT CZ DE PL UA

13 records

LG Aneri

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, FR

HU RO SK UA

13 records

LG Astrolabe

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR HU IT RO

14 records

Oxford

Active

Poa pratensis L. · Kentucky bluegrass

DLF-Seeds A/S

AT DE EE LV NL

14 records

LG Ascona

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR HU IT RO

15 records

KWS Inspirator

Active

Secale cereale L. · Rye

KWS Lochow

AT DE DK EE PL

12 records

Lifema

Active

x Festulolium Aschers. et Graebn. · Festulolium

FEUERSTEIN ULF / STELLING DIETER

DE DK FR LU UA

13 records

KWS Cassia

Active

Hordeum vulgare L. · Barley

KWS UK LTD

AT DE FR IE LV

12 records

Hirondella

Active

Hordeum vulgare L. · Barley

Claus Einfeldt

CZ DK FR RO UA

13 records

Boston

Active

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

Syngenta Seeds, NL

HR HU NL PL SK

9 records

Estivus

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

AT BE PL UA

11 records

Apache

Active

Triticum aestivum L. · Bread wheat

Nickerson SA (FR)

BG FR HR RO

15 records

Activus

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT HU RO SK UA

14 records

Wagner 1

Active

Festuca rubra L. · Red fescue

Francois van der Hee

DE DK FI UA

14 records

Sertori

Active

Triticum aestivum L. · Bread wheat

Forschungsanstalt Agroscope Changins-Wädenswil

EE FI LT LV

12 records

Rigi

Active

Triticum aestivum L. · Bread wheat

WIZELER MICHAEL

EE LT LV UA

13 records

Mustang

Active

Festuca arundinacea Schreb. · Tall fescue

Pickseed West Inc. (USA)

DE HR SI UA

11 records

LG Diablo

Active

Hordeum vulgare L. · Barley

LIMAGRAIN EUROPE

DK EE NL PL

16 records

Inspector

Active

Secale cereale L. · Rye

PHP PETERSEN

CZ DE HU PL

13 records

Dakisha

Active

Poa pratensis L. · Kentucky bluegrass

DLF Trifolium A-S, DK

CZ DE DK FR

13 records

ES Niagara

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

ES FR SK UA

13 records

ES Veronika

Active

Helianthus annuus L. · Sunflower

Euralis Semences, F

BG FR IT UA

12 records

Bellator

Active

Lolium perenne L. · Perennial ryegrass

Freudenberger, D

AT BE DE FR

13 records

Borowik

Active

x Triticosecale Wittm. ex A. Camus · Triticale

WOS HENRYK / JANINA WOS / BARBARA FUROWICZ / DOROTA KAWKA

AT DE LT PL

13 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.