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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.

Arcadia

Active

Triticum aestivum L. · Bread wheat

Syngenta Participations AG

ES
2 records

Arco

Terminated

Helianthus annuus L. · Sunflower

PACIFICO

ES
2 records

Arameus

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT
3 records

Americana Cherry Rose

Terminated

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

GOLDSMITH SEEDS

DK
2 records

Ani

Terminated

Poa pratensis L. · Kentucky bluegrass

Malopolska Hodowla Roslin Spolka z o.o.

PL
2 records

Akzento

Terminated

Triticum aestivum L. · Bread wheat

PBI SAATZUCHT

DE
3 records

Agent

Active

Avena sativa L. · Oat

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

PL
3 records

Adret

Terminated

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

Verneuil Recherche SA (FR)

FR
2 records

ADARCIAS

Active

Prunus amygdalus x Prunus persica

CSIC/RAFAEL CAMBRA/M.C.TABUENCA/R.A.MORENO

ES
4 records

Amato

Active

Helianthus annuus L. · Sunflower

Kyrychenko Maryna Serhiivna, Babych Viktoriia Olehivna, Parii Fedir Mykytovych, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,

UA
3 records

Acebeda

Terminated

Avena sativa L. · Oat

INIA-OTRI

ES
2 records

A4A

Application submitted

Populus L. · Poplar

Franco Alasia^^^MODOLO LUISA

IT
2 records

Agraco 811

Active

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

AGRAR SEMILLAS, S.A.

ES
2 records

Accent

Active

Lolium perenne L. · Perennial ryegrass

JACKLIN SEED

ES
2 records

Absint

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

DE
3 records

3188MR

Active

Zea mays L. · Maize

ABBOTT and COBB

UA
2 records

ADAFUEL

Active

Prunus amygdalus x Prunus persica

C.S.I.C.-AULA DEI

ES
3 records

Albatros

Active

Phaseolus vulgaris L. · Common bean

KWS Vegetables B.V.

NL
4 records

Vulcain

Terminated

Vicia faba L. · Broad bean

Serasem S.A.S.

2 records

8C451cp

Active

Helianthus annuus L. · Sunflower

DOW AGROSCIENCES VERTRIEBS GMBH

PT
4 records

WVO2F2

Active

Betula ermanii Cham. · Erman's birch

W.J. van Ooi VOF

2 records

Terra Nova

Active

Salix L. · Willow

Kevin Lindegaard

2 records

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