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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.

Bokston

Active

Allium porrum L. · Leek

NUNHEMS

NL
6 records

Bc Lira

Active

Triticum aestivum L. · Bread wheat

Bc Institut d.d. Zagreb (HR)

HR
4 records

Black Cat II

Active

Lolium perenne L. · Perennial ryegrass

CZ
3 records

Baltika DS

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

LT
4 records

Baronka

Active

Lolium perenne L. · Perennial ryegrass

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

PL
4 records

Beslet

Active

Phaseolus vulgaris L. · Common bean

D. Genchev, I. Kiryakov

BG
3 records

Blazer

Active

Phaseolus vulgaris L. · Common bean

NOVARTIS SEEDS

NL
3 records

BG N 4

Active

Helianthus annuus L. · Sunflower

Cvejic Sandra, Jocic Sinisa,

UA
5 records

Axios

Protection expired

Triticum aestivum L. · Bread wheat

HAO-DEMETER - Cereal Institute

GR
4 records

Aymeric

Terminated

Triticum aestivum L. · Bread wheat

Nickerson International Research geie, FR

FR
5 records

Bagira

Active

Ribes nigrum L. · Blackcurrant

ZVYaGINA TAT'YaNA STEPANOVNA / SERGEEVA KLAVDIYa DMITRIEVNA

EE
5 records

Batalj

Terminated

Triticum aestivum L. · Bread wheat

Svensson, Gunnar /Jönsson, Jan Ö.

SE
4 records

Bartrento

Active

Lolium multiflorum Lam. · Italian ryegrass

BARENBRUG UK LTD

DE
3 records

Astardo

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT
4 records

Badenjuwel

Active

Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt

Friedrich Longin

DE
5 records

Baliduro

Terminated

Triticum durum Desf. · Durum wheat

SEMILLAS BATLLE S.A.

IT
3 records

Barmagnac

Active

Festuca arundinacea Schreb. · Tall fescue

Barenbrug Holland BV (NL)

FR
4 records

Avokado

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Danko Hodowla Roslin Sp.z.o.o.

PL
4 records

Arnacoris

Terminated

Triticum durum Desf. · Durum wheat

Eurodur S.A.

IT
4 records

Bastille

Active

Hordeum vulgare L. · Barley

LEMAIRE DEFFONTAINES SEMENCES

IT
3 records

Bannfoot

Active

Lolium x hybridum Hausskn. · Hybrid ryegrass

Agri-food and Biosciences Institute (AFBI Belfast)

IE
6 records

Aurelia

Terminated

Vicia faba L. · Broad bean

Saatzucht Gleisdorf

AT
5 records

Ascot

Active

Allium porrum L. · Leek

TOZER SEEDS LTD

NL
3 records

Areces

Active

Trifolium subterraneum L. · Subterranean clover

INIA-OTRI

ES
3 records

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