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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.

Prana

Active

Lolium perenne L. · Perennial ryegrass

Zelder BV (NL)

AT FR PL UA
16 records

Gwenne

Active

Solanum tuberosum L. · Potato

Germicopa SAS, FR

FR MT UA
15 records

Advaberimar

Active

Rubus idaeus L. · Red raspberry

SMAAL, Andreas DE WEERT, Gerrit

FR NL UA
17 records

Ruirorap

Active

Rosa L. · Rose

Pouw, A.

NL PL
13 records

KWS Asta

Terminated

Hordeum vulgare L. · Barley

KWS LOCHOW GMBH, DE

AT CZ DE DK EE FR +4
16 records

Lennox

Active

Triticum aestivum L. · Bread wheat

Strube, D

EE FI FR LT LU PL +1
22 records

Ivory

Active

Avena sativa L. · Oat

Saaten-Union

DE EE FI LT LU LV +1
17 records

Triso

Active

Triticum aestivum L. · Bread wheat

I.G. Saatzucht (DE)

AT EE FR HU LT LV +3
22 records

Victoriana

Terminated

Hordeum vulgare L. · Barley

SCHINKEL BURKHARD

AT DE DK FR HU LT +3
15 records

Asory

Active

Triticum aestivum L. · Bread wheat

Secobra Saatzucht

BE EE FI LT LU NL +2
21 records

Skyway

Active

Hordeum vulgare L. · Barley

SECOBRA RECHERCHES S.A.S

AT DE DK EE FI LT +2
20 records

SU Perspectiv

Active

Secale cereale L. · Rye

Saaten-Union

CZ DE DK EE FI LV +2
17 records

Ostara

Active

Solanum tuberosum L. · Potato

OFFEREINS (NL)

AT CZ ES FI FR HR +3
14 records

Amilo

Active

Secale cereale L. · Rye

Wolski, T

AT DE EE FI HU LV +3
24 records

Soissons

Active

Triticum aestivum L. · Bread wheat

SAS FLORIMOND-DESPREZ Veuve et Fils

BE ES FR HR IE IT +2
22 records

LG Casting

Active

Hordeum vulgare L. · Barley

Mark Glew

BG DK FR HU IE PL +2
18 records

Chevignon

Active

Triticum aestivum L. · Bread wheat

SAATEN UNION RECHERCHE

BE FR HU LT LU PL +1
19 records

Promesse

Active

Phleum pratense L. · Timothy grass

VEREDELINGSBERIJF

EE FR LT LU LV NL +2
17 records

Bariris

Active

Poa pratensis L. · Kentucky bluegrass

H.J.M. Barenbrug

CZ DE HR HU NL PL +2
17 records

Barcampsia

Active

Deschampsia cespitosa (L.) P. Beauv. · Tufted hairgrass

H.J.M. Barenbrug

CZ DE EE FR HU NL +2
17 records

Arktis

Active

Triticum aestivum L. · Bread wheat

Schlieter Bernd, Busch Heinrich,

AT EE LT LV PL UA
16 records

Triamant

Active

x Triticosecale Wittm. ex A. Camus · Triticale

SCHINKEL| Dr. Burkhard Schinkel in Fa. KWS LOCHOW GMBH

AT CZ DE FR LT NL +1
17 records

Lipresso

Active

Lolium perenne L. · Perennial ryegrass

FEUERSTEIN ULF^^^Heinrich Busch

AT CZ DE EE IT LT +1
18 records

Barbian

Active

Trifolium repens L. · White clover

PIET ARTS

CZ DK ES HR HU NL +1
14 records

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