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Diseases

Smut — naked oats

Avena nuda L.

The fungi Ustilago avenae and Ustilago kolleri infect naked oats, causing loose and covered smut. Due to the absence of a dense protective hull on the caryopsis, this crop exhibits increased susceptibility to diseases compared to hulled oats.

In the reference 5 varieties crop Naked oat, where this is mentioned in the description.

Symptoms appear during the heading stage. In loose smut, all parts of the spikelets are destroyed and replaced by a black-olive powdery mass of spores, leaving only the rachis of the panicle. In covered smut, the infected panicles appear more compact, and teliospores are retained within the glumes longer, not dispersing until harvest.

Genetic control of resistance is provided by dominant genes, among which U-22, U-24, and U-26 are identified as responsible for complex resistance to both types of the disease. Identification of resistant forms is carried out by screening collections on artificial infectious backgrounds using differential varieties.

General information about the subject — on the page Smut.

Sources8

Varieties of Naked oat 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.

Talkunar

Active

Avena nuda L. · Naked oat

Getreidezüchtungsforschung Darzau, Dr. Karl-Josef Müller

AT LU
3 records

Pikant

Terminated

Avena nuda L. · Naked oat

DK
2 records

Hynek

Protection expired

Avena nuda L. · Naked oat

CZ
3 records

Beloruskij golozernyj

Protection expired

Avena nuda L. · Naked oat

Baltarusijos žemdirbystės ir pašarų institutas

LT
1 record

Diietychnyi

Terminated

Avena nuda L. · Naked oat

Skoryk Viktor Varfolomiiovych, Yehorova Tetiana Volodymyrivna, Vorozhko Svitlana Pavlivna, Parii Myroslav Fedorovych, Parii IUliia Oleksandrivna, Parii IAroslav Fedorovych, Kulyk IUliia Fedorivna, Riabovol Liudmyla Olehivna, Necheporenko Liudmyla Pavlivna

UA
2 records