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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.

Devon Pearl

Protection expired

Dianthus L. · Carnation

H.R. WHETMAN & SON

2 records

Challenger

Terminated

Triticum aestivum L. · Bread wheat

Syngenta UK Ltd

3 records

Caroline

Active

Rubus idaeus L. · Red raspberry

Swartz, Harry Jan|16022 Jerald Rd., Laurel, MD 20707 / Fiola, Joseph A.|1400 Paterson Ave., Whiting, NJ 08759 / Stiles, Herbert D.|811 Brunswick Ave., Blackstone, VA 23824 / Smith, Brian A.|311 N. Dallas St., River Falls, WI 54022

5 records

Darthil

Active

Mahonia aquifolium (Pursh) Nutt. · blue barberry

Miklósné Józsa

2 records

Bannfoot

Active

Lolium perenne L. · Perennial ryegrass

AFBI

2 records

Balcherissam

Active

Erysimum linifolium (Pers.) J. Gay · Wallflower

Trees Scott C

4 records

Crisbo

Terminated

Vicia faba L. · Broad bean

ERHARD EBMEYER

2 records

Atomic Pink

Active

Veronica L. · Speedwell

Verschoor Jan|Haarlem, NL

2 records

Christelle

Active

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

3 records

Atomic Lilac

Active

Veronica L. · Speedwell

Verschoor Jan|Haarlem, NL

2 records

Chaucer

Terminated

Triticum aestivum L. · Bread wheat

Elsoms Seeds

3 records

BF08

Active

Fuchsia L. · Fuchsia

Fred Hendriks

2 records

Apricot Delight

Active

Achillea millefolium L. · Yarrow

Zwaan Michiel|Alphen aan den-Rijn, NL

2 records

BRFU 07951

Active

Fuchsia L. · Fuchsia

Hubert Brandkamp

2 records

Bokraruicri

Active

Rosa L. · Rose

Boot & Co. Boomkwekerijen B.V., De Ruiter Intellectual Property B.V.

2 records

Atomic Violet

Active

Veronica L. · Speedwell

Verschoor Jan|Haarlem, NL

2 records

Arluno Pink

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Benetti

Terminated

Chrysanthemum pacificum Nakai · Pacific chrysanthemum

Andreas Niederländer

2 records

Berry Exciting

Active

Corydalis shimienensis C. Y. Wu & Z. Y. Su

Korlipara Harini|Canby, OR, US

2 records

Arktis

Active

Vicia faba L. · Broad bean

Werner Horn

2 records

Bellebeek

Active

Populus L. · Poplar

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

2 records

Axima White

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

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