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.

ZARAGOZA F 75

Terminated

Triticum aestivum L. · Bread wheat

SARH-INIA

2 records

Yasochka

Terminated

Glycine max (L.) Merr. · Soybean

Scherbyna Oleksandr Zinoviievych, Chernenko IEvhen Viktorovych, Polischuk Svitlana Viktorivna, Tymoshenko Oleksandr Oleksiiovych, Shcerbyna Olena Zinoviivna, Romaniuk Lidiia Serhiivna, Mykhailov Viacheslav Hryhorovych,

2 records

Yesaul

Terminated

Triticum aestivum L. · Bread wheat

Novikov Oleksii Volodymyrovych, Zyma Valentyna Hryhorivna, Bukreeva Halyna Ivanivna, Konotop Tetiana Vitaliivna, Filobok leontii Petrovych, Kudriashov Ihor Mykolaiovych, Alfimov Volodymyr Oleksiiovych, Lysak Mykola Ivanovych, Kerimov Vahyf Rakhmetovych, F

1 record

YACO

Withdrawn

Triticum aestivum L. · Bread wheat

SEM.AGRICOLAS

1 record

Yelan

Active

x Triticosecale Wittm. ex A. Camus · Triticale

SHCHYPAK HENNADII VASYLOVYCH, SYVOKIN INNA VALENTYNIVNA, BORIVSKYI ANATOLII FRANTSOVYCH, NYCHOPORUK OLENA OLEKSANDRIVNA, BILOKURETS NATALIIA PETRIVNA, CHERNOBAB RAISA ANDRIIVNA

2 records

Yuviliar Myronivs`kyi

Terminated

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Morhun Volodymyr Vasylovych, Koliuchyi Vasyl` Trokhymovych, Basanets` Hanna Stepanivna, Khomenko Svitlana Olehivna, Marynka Svitlana Mykolaivna, Shelepov Volodymyr Vasyl`ovych, Kyrylenko Vira Viktorivna, Vlasenko Volodymyr Anatol

2 records

Yuvileine Volyns`ke

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

Borys Vitalii Stepanovych, Mazuryk Mykola Fedorovych, Biliiuk Ana`olii Petrovych, Sheredko Leonid Mykolaiovych,

2 records

YeS Stark

Active

Helianthus annuus L. · Sunflower

Bushulian Oleh Volodymyrovych, Shatsman Dmytro Oleksandrovych,

2 records

YeS Bravus

Active

Helianthus annuus L. · Sunflower

Posunko Anton Olehovych, Bushulian Oleh Volodymyrovych, Shatsman Dmytro Oleksandrovych,

2 records

ZIDANE

Withdrawn

Triticum durum Desf. · Durum wheat

G.A.ESSONNOIS

1 record

Wodtur

Withdrawn

Salix x dasyclados Wimm.

Uniwersytet Warmińsko-Mazurski w Olsztynie

1 record

ZEMGALE

Withdrawn

Pyrus communis L. · European pear

Rudolfs Dumbravs

1 record

Yasnohirka

Terminated

Triticum aestivum L. · Bread wheat

Khomenko Svitlana Olehivna, Marynka Svitlana Mykolaivna, Shelepov Volodymyr Vasyl`ovych, Kolomiiets` Lidiia Andriivna, Vlasenko Volodymyr Anatoliiovych, Artemchuk Iryna Petrivna, Lohvynenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych,

2 records

Zapashna

Active

Triticum aestivum L. · Bread wheat

Markova Tetiana IUriivna, Rohulina Larysa Vasylivna, Iodkovs`kyi Vladyslav Zdyslavovych, Riabchun Nataliia Ivanivna, Zviahin Andrii Fedorovych, Yel`nikov Mykola Ivanovych,

2 records

Wekdieliopa

Active

Rosa L. · Rose

Weeks Roses (US)

1 record

WAID

Terminated

Triticum durum Desf. · Durum wheat

Washington State University Research Foundation (US)

1 record

Vzirets`

Active

Solanum tuberosum L. · Potato

Hunchak Volodymyr Mykhailovych, Chabanov Andrii Semenovych, Bondarchuk Anatolii Andriiovych, Tymko Liudmyla Volodymyrivna, Abdurahimova Tamara Volodymyrivna, Pysarenko Nataliia Vasylivna, Lysak Olena Andriivna, Tymko Mykola Hryhorovych, Sydorchuk Vasyl Iv

2 records

Yotri

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

DUFFETT| William E. Duffett / VANDENBERG| Cornelis P. Vandenberg / MACK| Grace H. Mack

1 record

Yasochka

Active

Phaseolus vulgaris L. · Common bean

Velychko Svitlana Iosyfivna, Koval`chuk Nataliia IAkivna, Holokhorynska Mariia Hryhorivna,

1 record

Vitvits`ke

Terminated

Secale cereale L. · Rye

Koval` Liudmyla Ivanivna, Vitvits`kyi Mykhailo Antonovych, Koval` Nataliia Mykhailivna,

2 records

Vinok Podillia

Terminated

Triticum aestivum L. · Bread wheat

Oks`om Liudmyla Leonidivna, Oks`om Volodymyr Polikarpovych, Morhun Volodymyr Vasyl`ovych,

2 records

Weser

Terminated

Populus L. · Poplar

FORSCHUNGSINSTITUT| Foerderverein fuer nachwachsende Rohstoffe e.V. Forschungsinstitut fuer schnell- wachsende Baumarten

1 record

Wernisaż

Withdrawn

Ribes nigrum L. · Blackcurrant

Institut Sadiwnictwa Ukrainska Akademija Agrarnich Nauk Volodymyr Kopan

2 records

Vippzalm

Application submitted

Hypericum L. · St. John's wort

Kersbergen

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.