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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.

Tacitus

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT HR HU LT PL SK +1
12 records

Karatop

Active

Solanum tuberosum L. · Potato

Prof.Dr.sc. Christfried Pfeffer / Dr. Paul Steinbach

CZ DE DK LT LV PL +2
12 records

Estica

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.

BE FR IE NL PL SK
18 records

Danergo

Active

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

DLF-Trifolium (DK)

AT BE DK EE HU LU +1
10 records

Orthega

Protection expired

Hordeum vulgare L. · Barley

Saatzucht Lochow-Petkus (DE)

CZ DE EE HR LT PL +2
15 records

Symbios

Active

Pisum sativum L. · Pea

RAGT 2N S.A.S

CZ DE EE FI FR LT +1
16 records

Sprinter

Protection expired

Lolium perenne L. · Perennial ryegrass

Zwaan&De Wiljes' Zaadt en Zaadh B.V.

DE DK FR HR NL SE +1
14 records

KWS Emphor

Active

Secale cereale L. · Rye

Schmiedchen Brigitta, KWS Lochow GmbH,

AT CZ DE DK EE PL +1
16 records

Wendy

Active

Hordeum vulgare L. · Barley

Nordsaat Saatzuchtgesellschaft mbH

AT CZ DE FR HU PL +1
12 records

Plaisir

Active

Lolium perenne L. · Perennial ryegrass

Veronique Mercier

CZ DE EE FR LT PL +1
16 records

Cosmolit

Active

Festuca pratensis Huds. · Meadow fescue

Saatzucht Steinach GmbH & Co KG

AT CZ DE HR LT LU +1
12 records

Leyla

Active

Solanum tuberosum L. · Potato

NORDKARTOFFELZUCHTGESELLSCHAFT

DE DK EE ES FR NL +1
12 records

Citadel

Active

Lolium perenne L. · Perennial ryegrass

Mommersteeg International BV (NL)

AT DE ES FR IE PT +1
12 records

KWS Magic

Active

Triticum aestivum L. · Bread wheat

KWS Lochow, D

AT BE DK HR PL SK
13 records

Turandot

Active

Lolium perenne L. · Perennial ryegrass

DLF-Seeds A/S

AT DE DK HR LT LV
13 records

Bonanza

Active

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

DK EE LT PL UA
14 records

SU Baresi

Active

Secale cereale L. · Rye

Saaten-Union

CZ DE DK EE LT UA
15 records

NFC Tipple

Active

Hordeum vulgare L. · Barley

Syngenta UK Ltd

DE DK FI FR HR LT
17 records

LG Apilco

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, FR

BG FR HU RO SK
16 records

Fetione

Active

Lolium perenne L. · Perennial ryegrass

VANDERHAVE GRASSES B.V.

AT DE ES FR IE NL
14 records

Heraut

Active

Lolium perenne L. · Perennial ryegrass

Zelder B.V.

AT DE DK IE NL PL
13 records

Felina

Active

x Festulolium Aschers. et Graebn. · Festulolium

DLF Seeds A/S, 4000 Roskilde

CZ EE FI LT LV SK
16 records

Enprima

Active

Poa pratensis L. · Kentucky bluegrass

DLF B.V.

CZ EE HU NL PL SK
11 records

Lato

Active

Poa pratensis L. · Kentucky bluegrass

SAATZUCHT| Saatzucht Steinach GmbH & Co KG

AT CZ DE DK LT LU
12 records

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