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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.

MINSYGRABL1

Active

Hibiscus syriacus L. · Rose of Sharon

Hortival Diffusion S.A.S.

1 record

Nidia Odorata

Active

Rosa L. · Rose

María del Carmen Martínez Rodríguez^^^José Luis Santiago Blanco^^^Pilar Gago Montaña^^^Susana Boso Alonso

1 record

Mefisto Pink

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

Medonia

Terminated

Chrysanthemum L. · Chrysanthemum

Pieters Plant Production B.V.B.A.

1 record

Lucky Queen

Active

Lilium L. · Lily

Van Zanten Flowerbulbs B.V

1 record

Lupus 01

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

NORDSAAT SAATZUCHT

1 record

Loke Viking

Terminated

Aster L. · Aster

Kell Kristiansen

1 record

Maestrale

Active

Populus x canadensis Moench · Carolina poplar

Fabiano Bertaina

1 record

Kolmagrace

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

KPMERL

Application submitted

Anigozanthos Labill. · Kangaroo Paw

Digby Growns

1 record

Kolmrefal

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Lilliput

Terminated

Penstemon Schmidel. · Beard Tongue

A T Yates & Son

1 record

Kolmpifa

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Kolster Beheer B.V.^^^Floribreed V.O.F.

1 record

Kolmaref

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Kolmaprince

Active

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Kolmindi

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Kolster Beheer B.V.^^^Floribreed V.O.F.

1 record

Kolmarom

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Kolmades

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Korjeafra

Active

Rosa L. · Rose

WILHELM-ALEXANDER KORDES

1 record

Kolmwhifa

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Kolster Beheer B.V.^^^Floribreed V.O.F.

1 record

Kolmcrea

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Kolster Beheer B.V.^^^Floribreed V.O.F.

1 record

Kolmkis

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Kolmgrefa

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Kolster Beheer B.V.^^^Floribreed V.O.F.

1 record

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