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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.

Gazelle II

Active

Festuca arundinacea Schreb. · Tall fescue

TURF SEED EUROPE LTD

IT
5 records

Gallardo

Active

Festuca arundinacea Schreb. · Tall fescue

DLF USA

PL
4 records

Gianna

Active

Lolium perenne L. · Perennial ryegrass

DLF Trifolium A-S, DK

FR
6 records

Ghayta

Active

Triticum aestivum L. · Bread wheat

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Agri-Obtentions S.A.

FR
5 records

Fielder

Active

Poa pratensis L. · Kentucky bluegrass

Pickseed USA, Inc. & Rutgers, The State University of New Jersey

DE
5 records

Gausa

Active

Poa pratensis L. · Kentucky bluegrass

Lietuvos agrarinių ir miškų mokslų centro filialas Žemdirbystės institutas

LT
4 records

Finelawn Elite

Active

Festuca arundinacea Schreb. · Tall fescue

PROSEEDS MARKETING

IT
4 records

Ferris

Active

Lolium perenne L. · Perennial ryegrass

Saatzucht Steinach GmbH & Co KG

DE
5 records

Floradur

Active

Triticum durum Desf. · Durum wheat

Saatzucht Donau GmbH & Co.KG

AT
5 records

Firewall

Active

Festuca arundinacea Schreb. · Tall fescue

DLF Pickseed USA, Inc. and Rutgers, The State University of New Jersey

CZ
4 records

Findora

Active

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

DE
6 records

Everest

Active

Poa pratensis L. · Kentucky bluegrass

JACKLIN SEED

ES
4 records

Fiesta Cinco

Active

Lolium perenne L. · Perennial ryegrass

DLF Seeds A/S

PL
5 records

Fintona

Active

Lolium perenne L. · Perennial ryegrass

AFBI

IE
6 records

Estanzuela 284

Active

Lolium multiflorum Lam. · Italian ryegrass

INSTITUTO NACIONAL DE INVESTIGACION AGROPECUARIA (INIA)

PT
8 records

Fastball RGL

Active

Lolium perenne L. · Perennial ryegrass

Peak Plant Genetics, LLC & Rutgers, The State University of New Jersey

CZ
4 records

Fairing

Active

Hordeum vulgare L. · Barley

Syngenta UK Ltd

NL
7 records

Endurance

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

PGG Wrightson Seeds

DE
7 records

Encore

Protection expired

Triticum aestivum L. · Bread wheat

Seed Research Division, Agrigenetics Corp.

DK
5 records

Emeraude

Active

Solanum tuberosum L. · Potato

JEAN MARC ABHIVEN_

FR
5 records

Elyria

Active

Lolium perenne L. · Perennial ryegrass

DLF SEEDS A/S

NL
6 records

Elodie

Active

Festuca arundinacea Schreb. · Tall fescue

Grass G.I.E.

FR
5 records

Elicsir

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Caussade Semences SA (FR)

FR
5 records

Evening Shade

Active

Lolium perenne L. · Perennial ryegrass

TURF MERCHANTS INC (TMI)

ES
4 records

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