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Diseases

Rust of common wheat

Triticum aestivum L. subsp. aestivum

A group of fungal diseases of wheat caused by specialized species of the pathogen Puccinia, characterized by the formation of specific pustules and high genetic variability of virulence.

In the reference 26 varieties crop Bread wheat, where this is mentioned in the description.

The disease is represented by three main species: leaf rust (causal agent Puccinia triticina), yellow rust (Puccinia striiformis f. sp. tritici), and stem rust (Puccinia graminis f. sp. tritici). Symptoms include the formation of brown pustules on leaves, lemon-yellow stripes on plant organs, or elongated dark brown pustules on stems.

Pathogens exhibit high variability with the identification of numerous races and pathotypes, among which the Ug99 race of stem rust is the most dangerous. For breeding resistant varieties, specific Lr, Sr, and Yr genes are used, which are responsible for seedling or adult plant resistance, the identification of which is carried out using molecular methods.

General information about the subject — on the page Rust.

Sources8

Varieties of Bread wheat mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Triticum aestivum L. subsp. aestivum · Bread wheat

HU
1 record

Kermit

Withdrawn

Triticum aestivum L. subsp. aestivum · Bread wheat

DE
1 record