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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.

Picabu'

Active

Festuca arundinacea Schreb. · Tall fescue

PURE SEED TESTING

IT
3 records

GSS 3951

Active

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

Syngenta Seeds B.V.

NL
3 records

ANAHUAC F 75

Active

Triticum aestivum L. · Bread wheat

SARH-INIA

ES
4 records

Korhulth 003

Active

Rosa L. · Rose

Wilhelm-Alexander Kordes, Tim-Hermann Kordes, John-Vincent Kordes

3 records

Warlock 24

Terminated

Triticum aestivum L. · Bread wheat

Limagrain UK

4 records

JFS-KW207

Active

Malus Mill. · Apple

Warren Keith S.

6 records

C14-409

Active

Vaccinium corymbosum L. · Highbush blueberry

Scalzo Jessica,Olmstead James W.

3 records

E756-36

Active

Malus domestica (Suckow) Borkh. · Apple

Katherine M. Evans

3 records

R 283

Active

Zea mays L. subsp. mays (Popcorn Group) · Popcorn

Crookham Company (US)

FR SK
4 records

MAS 96G

Active

Helianthus annuus L. · Sunflower

MAS Seeds,FR

BG UA
3 records

Gorun 1

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

ITTU GHEORGHESAULESCU NICOLAEITTU MARIANAMUSTATEA POMPILIU

RO
3 records

FD 13105

Active

Triticum aestivum L. · Bread wheat

FLORIMOND DESPREZ VEUVE ET FILS

ES IT
2 records

Yellow Stone

Active

Triticum aestivum L. · Bread wheat

Montana Agricultural Experiment Station

BG
2 records

Vezha myronivs'ka

Active

Triticum aestivum L. · Bread wheat

VLASENKO VOLODYMYR, KYRYLENKO VIRA, ZAIMA OLEKSII, YURCHENKO TETIANA, KHOMENKO SVITLANA, HUMENIUK OLEKSANDR, DUBOVYK NATALIIA, VOLOHDINA HALYNA, ZAMLILA NINA, DEMYDOV OLEKSANDR

UA
3 records

Meroa R.v.P.

Active

Lolium multiflorum Lam. · Italian ryegrass

ILVO Plant

BE
2 records

May 8059

Active

Triticum aestivum L. · Bread wheat

Venetsia Milkova

BG
3 records

Estafeta myronivs'ka

Active

Triticum aestivum L. · Bread wheat

BLYZNIUK BOHDANA, DUBOVYK NATALIIA, HUDZENKO VOLODYMYR, ZAMLILA NINA, KYRYLENKO VIRA, HUMENIUK OLEKSANDR, KOCHMARSKYI VALENTYN, DERHACHOV OLEKSANDR, DEMYDOV OLEKSANDR, PIRYCH ALINA

UA
3 records

EGH 902

Active

Helianthus annuus L. · Sunflower

Euralis Semences

ES
2 records

GSS 1453

Active

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

Syngenta Seeds B.V.

NL
2 records

Charodiika bilotserkivs'ka

Active

Triticum aestivum L. · Bread wheat

Dubova Oksana Anatoliivna, Chaika Anatolii Mykolaiovych, Burdeniuk-Tarasevych Larysa Antonivna,

UA
3 records

BTS 3610

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

DE
2 records

BTS 3020

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

DE
2 records

BTS 5770

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

DE
2 records

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