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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.

Hacada

Terminated

Secale cereale L. · Rye

WILDE| Dipl.Ing.agr. Dr. Peer Wilde

DE EE LT LV
11 records

Foxx

Active

Triticum aestivum L. · Bread wheat

SZB POLSKA SP.Z O O. SP.K.

EE LU UA
10 records

ES Ceylon SU

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG ES IT UA
8 records

Fenyx

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

Societe Europeenne de Semences NV/SA (BE)

BE FR IE PL
7 records

Impala

Active

Hordeum vulgare L. · Barley

R.J. MANSHOLT'S VEREDELINGSBEDRIJF B.V.

CZ DK FR PL
10 records

Jeanne

Active

Lolium multiflorum Lam. · Italian ryegrass

DLF Trifolium A/S -Dinamarca-

DE
10 records

Dicolor

Active

Pyrus communis L. · European pear

SEMPRA PRAHA A S

CZ NL PL SK
17 records

Hamu

Terminated

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DE DK PL SE
10 records

Crusader

Active

Glycine max (L.) Merr. · Soybean

W.G. Thompson & Sons Ltd (CA)

FR HU IT SK
8 records

Cosmopolitan

Active

Festuca pratensis Huds. · Meadow fescue

Saatzucht Steinach GmbH & Co KG

DE FI FR LT
10 records

Camillus

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau, A

HU LT UA
9 records

ES Epic

Active

Helianthus annuus L. · Sunflower

Euralis Semences FR

BG FR IT UA
9 records

Felicitas

Terminated

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GmbH&Co.KG

AT DE DK FR
9 records

Barsintra

Terminated

Lolium perenne L. · Perennial ryegrass

Barenbrug Holland BV (NL)

BE DE FR NL
11 records

Degas

Active

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE RESEARCH GMBH and CO KG

DE DK FR SE
6 records

Barextra

Active

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

Barenbrug Holland BV, 6501 BH Nijmegen

EE FR HR LU
6 records

Castan

Terminated

Triticum aestivum L. · Bread wheat

Sogroup (FR)

ES FR IT PT
8 records

Comodoro

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

CZ EE LT PL
9 records

Capo

Active

Triticum aestivum L. · Bread wheat

Mauthner Warenhandels- und Vermögensverwaltungs GmbH

AT HU RO UA
8 records

Barfamos

Terminated

Lolium perenne L. · Perennial ryegrass

Barenbrug Holland B.V.

AT BE DE NL
8 records

Bonpain

Active

Triticum aestivum L. · Bread wheat

Florimond Desprez Veuve et Fils, FR

ES FR HR PT
8 records

Allsome

Active

Triticum aestivum L. · Bread wheat

LEMAIRE DEFFONTAINES S.A.S.

BE FR NL PL
9 records

Clarissa

Active

Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage

BEJO ZADEN

HU NL PL SK
6 records

Barnhem

Terminated

Lolium perenne L. · Perennial ryegrass

H.J.M. Barenbrug

BE DE FR NL
15 records

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