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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.

Kolmali

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Kolmcharm

Terminated

Hypericum x inodorum Mill. · Tall tutsan

Floribreed V.O.F.

1 record

Hazendans

Terminated

Populus L. · Poplar

Eigen Vermogen van het Instituut voor Natuur- en Bosonderzoek (EV-INBO)

1 record

Kismo

Terminated

Chrysanthemum L. · Chrysanthemum

Pieters Plant Production B.V.B.A.

1 record

GR16RO

Active

Symphoricarpos x doorenbosii Krüssm. · Coralberry

Guido Rouwette

1 record

Ivar

Terminated

Salix L. · Willow

Stig Larsson

1 record

Jb

Active

x Tritordeum (Hordeum chilense x Triticum turgidum)

Agrasys S.L.

1 record

Galicane

Active

Populus x canadensis Moench · Carolina poplar

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Institut Technologique FCBA, Institut National de Recherche en Sciences et Technologies pour l’Environnement et l’Agriculture (IRSTEA)

1 record

GR16LW

Active

Symphoricarpos x doorenbosii Krüssm. · Coralberry

Guido Rouwette

1 record

Gioiosa SO

Active

Rubus idaeus L. · Red raspberry

Paolo Zucchi^^^Sara Giacomelli^^^Dimitri Muhlbacher

1 record

Firecracker

Active

Digitalis chalcantha (Svent. & O'Shan.) Albach et al. x Digitalis grandiflora Mill.

Hans A. Hansen

1 record

GR16PU

Active

Symphoricarpos x doorenbosii Krüssm. · Coralberry

Guido Rouwette

1 record

Frystereo

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

FLOAG17002

Active

Aubrieta deltoidea (L.) DC.

Florensis B.V.

1 record

CRAPO 135

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Gianluca Baruzzi^^^Walther Faedi^^^Paolo Sbrighi^^^Pierluigi Lucchi^^^Matteo Birolli^^^Lorenzo Ballini

2 records

Enkidu

Active

Triticum monococcum L. · Einkorn wheat

Cultivari Getreidezüchtungsforschung Darzau gGmbH

1 record

Buralmtwo

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

John K. Slaughter^^^Timothy J. Gerdts

2 records

Doris

Terminated

Salix x dasyclados Wimm.

Stig Larsson

1 record

Cocot

Active

Prunus armeniaca L. · Apricot

Cot International S.A.R.L.

2 records

Branroyal White

Withdrawn

Chrysanthemum L. · Chrysanthemum

Hubert Brandkamp

1 record

CIFZ0019

Withdrawn

Chrysanthemum L. · Chrysanthemum

Mark A. Smith

2 records

Delrive

Terminated

Populus deltoides W. Bartram ex Marshall · Eastern cottonwood

Institut Technologique FCBA^^^Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) ^^^Institut National de Recherche en Sciences et Technologies pour l’Environnement et l’Agriculture (IRSTEA)

1 record

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