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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.

Kumpel

Active

Triticum aestivum L. · Bread wheat

SECOBRA RECHERCHES S.A.S

NL
5 records

Lariano

Active

Lolium multiflorum Lam. · Italian ryegrass

DLF SEEDS A/S

DE
4 records

Krispyl

Active

Lolium multiflorum Lam. · Italian ryegrass

RAGT 2n

DE
5 records

Galya

Active

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

RAGT 2n, FR

CZ FR
3 records

Jumpyl

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

RAGT 2n, FR

CZ FR
3 records

Karabol

Active

Triticum aestivum L. · Bread wheat

Deutsche Saatveredelung AG - DSV (DE)

FR
4 records

Fedor

Terminated

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

PL
4 records

Frandoc

Terminated

Triticum aestivum L. · Bread wheat

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

ES FR PT
4 records

Farmoritz

Active

Zea mays L. · Maize

Ludwig Feldmeier

IT UA
4 records

Dalmatius

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau Ges.m.b.H.& Co KG

LT
4 records

Furio 4207

Active

Zea mays L. · Maize

Syngenta Seeds

AT SK
7 records

Clarus

Terminated

Triticum aestivum L. · Bread wheat

MONSANTO (UK)

DK
5 records

Banatus

Active

Triticum aestivum L. · Bread wheat

Strube D&S GMBH

EE PL UA
4 records

Ambientus

Active

Triticum aestivum L. subsp. aestivum · Bread wheat

Secobra Saatzucht

AT CZ DE
3 records

Zarastro

Active

Lolium multiflorum Lam. · Italian ryegrass

DLF SEEDS A/S

DE
5 records

Wiesel

Terminated

Avena sativa L. · Oat

Nordsaat Saatzuchtgesellschaft m.b.H. (DE)

DE FR
5 records

Zeglarz

Terminated

Hordeum vulgare L. · Barley

SERASEM

CZ PL
4 records

Xenie

Active

Triticum aestivum L. · Bread wheat

Výzkumné Centrum Selton s.r.o., Selgen A.S.

UA
5 records

Yotri

Active

Chrysanthemum L. · Chrysanthemum

WILLIAM E DUFFETT

IT NL
3 records

Whitella

Active

Raphanus sativus L. var. sativus · Radish

Hazera Seeds B.V.

NL UA
3 records

Wulkan

Active

Allium schoenoprasum L. · Chives

SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.

CZ PL
4 records

Volantyl

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

RAGT 2n, FR

CZ FR
3 records

Wiwa

Active

Triticum aestivum L. · Bread wheat

Getreidezüchtung Peter Kunz Peter Kunz

CZ DE
4 records

ZHY1253OZ

Active

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

Leo Schoots

HU UA
4 records

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