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.

Felix

Terminated

Helianthus annuus L. · Sunflower

2 records

BEZOSTAYa 1

Active

Triticum aestivum L. · Bread wheat

2 records

AS 33101

Active

Helianthus annuus L. · Sunflower

2 records

AS 35114

Active

Helianthus annuus L. · Sunflower

3 records

SU Anapolis

Withdrawn

Triticum aestivum L. · Bread wheat

Nordsaat Saatzucht GmbH Saatzucht Langenstein

1 record

Vals

Terminated

Secale cereale L. · Rye

Romaniuk Oksana Oleksandrivna, Kornieieva Myroslava Oleksandrivna, Roik Mykola Volodymyrovych, Vakulenko Mykola Oleksandrovych, Mazur Zoia Oleksandrivna,

2 records

Veselka

Application submitted

Triticum aestivum L. · Bread wheat

Babushkina Tetiana Viktorivna, Usova Zoia Vasylivna, Zviahintseva Anna Mykolaivna, Holik Oleh Viktorovych,

3 records

Tigouan

Withdrawn

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

GIE GRASS (FR)

1 record

Svitohliad

Terminated

Triticum aestivum L. · Bread wheat

Oksom Volodymyr Polikarpovych, Morhun Bohdan Volodymyrovych, Katerynchuk Oleksandr Mykhailovych, Morhun Volodymyr Vasylovych,

2 records

Sonate

Withdrawn

Triticum aestivum L. · Bread wheat

Sogroup (FR)

1 record

WPB Thalis

Withdrawn

Hordeum vulgare L. · Barley

Wiersum Plantbreeding B.V.

1 record

Vyshyvanka bilotserkivska

Active

Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt

Burdeniuk-Tarasevych Larysa Antonivna

2 records

Sion

Active

Hordeum vulgare L. · Barley

Smolii Svitlana Ivanivna, Nezhbirska Liudmyla Ivanivna, Korniichuk Oleksandr Vasylovych, Doroshcuk Vasyl Oleksiiovych, Mareniuk Oleksandr Borysovych,

2 records

Stritens`ka

Terminated

Triticum aestivum L. · Bread wheat

Oksom Volodymyr Polikarpovych, Morhun Bohdan Volodymyrovych, Katerynchuk Oleksandr Mykhailovych, Morhun Volodymyr Vasylovych,

2 records

Sweetstar F1

Terminated

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

Steve Grin

1 record

Pinky Star

Application submitted

Solanum lycopersicum L. var. lycopersicum · Tomato

EUGEN SEED S.R.L.

1 record

Lir

Application submitted

Secale cereale L. · Rye

Danko Hodowla Roslin Sp.z.o.o.

1 record

Precioso

Withdrawn

Triticum aestivum L. · Bread wheat

PIONEER OVERSEAS CORPORATION US

1 record

Myronivs`ka slava

Application submitted

Triticum aestivum L. · Bread wheat

Dubovyk Nataliia Serhiivna, Yurchenko Tetiana Vasylivna, Siroshtan Andrii Anatoliiovych, Zamlila Nina Petrivna, Humeniuk Oleksandr Volodymyrovych, Chernov Oleh Vasyl`ovych, Kochmars`kyi Valentyn Serhiiovych,

2 records

Liryka bilotserkivska

Active

Triticum aestivum L. · Bread wheat

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

1 record

Lacerta

Application submitted

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

1 record

Mhagno

Active

Apium graveolens L. · Celery

BLUMEN GROUP S.P.A

1 record

Elise

Protection expired

Festuca arundinacea Schreb. · Tall fescue

GIE GRASS (FR)

1 record

KAMALAMAI

Active

Hordeum vulgare L. · Barley

CSIC/SEMILLAS BATLLE

2 records

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Diseases

Powdery mildew 33 570
Fusarium wilt and blight 29 887
Viral mosaic diseases 22 022
Downy mildew 16 384
Leaf spot diseases 15 926
Verticillium wilt 12 175
Scab 12 064
Grey mold 7 316

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.