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Diseases

Powdery Mildew of Soft Wheat

Triticum aestivum L.

A fungal disease of soft wheat caused by the specialized pathogen Blumeria graminis f. sp. tritici, affecting the above-ground organs of the plant. The disease leads to a reduction in photosynthesis, the formation of shriveled grain, and empty ears.

In the reference 1 157 varieties crop Bread wheat, where this is mentioned in the description.

The causative agent of the disease is the obligate biotroph Blumeria graminis (DC.) Speer f. sp. tritici Marchal. Symptoms appear as a white, web-like coating on leaves, leaf sheaths, and stems, which eventually thickens into cotton-like patches; at the final stage, cleistothecia—black dots representing the fruiting bodies—form on the mycelium.

The harmfulness of powdery mildew lies in the destruction of chlorophyll and the retardation of tillering processes. Pathogen populations are characterized by high variability in virulence, which allows them to overcome specific varietal resistance genes denoted by the symbol Pm (Powdery mildew).

Breeding for resistance relies on the use of more than 30 Pm loci, including their allelic variants. Due to the adaptability of the fungus, breeding practices involve the "pyramiding" of several genes within a single genotype to ensure durability of resistance, with some resistance genes potentially being linked to protection genes against other pathogens.

General information about the subject — on the page Powdery mildew.

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.

POMPE

Terminated

Triticum aestivum L. · Bread wheat

W WEIBULL

DK
3 records

WPB Whistler

Protection expired

Triticum aestivum L. · Bread wheat

Wiersum Plantbreeding B.V.

2 records

Sperber

Terminated

Triticum aestivum L. · Bread wheat

LOCHOW-PETKUS

BE
2 records

Roxana

Terminated

Triticum aestivum L. · Bread wheat

SEMUNDO SAATZUCHT GMBH

ES SK
4 records

Samuno

Terminated

Triticum aestivum L. · Bread wheat

ERHARD EBMEYER

DE
3 records

Triticum aestivum L. · Bread wheat

Parfentiev Mykhailo Hryhorovych, Reshetnikova Valentyna Semenivna, Alieksieienko IEvhenii Viktorovych, Maksymov Mykola Havrylovych, Lytvynenko Raisa Ivanivna, Holub IEvheniia Anatoliivna, Honcharuk Nina Oleksandrivna, Lytvynenko Mykola Antonovych,

UA
3 records

Triticum aestivum L. · Bread wheat

KWS MOMONT RECHERCHE SARL, FR

FR
3 records

Kastell

Active

Triticum aestivum L. · Bread wheat

SECOBRA RECHERCHES S.A.S

DE
3 records

Stavento

Active

Triticum aestivum L. · Bread wheat

BALTZIS NIKOLAOS (GR)

BG
2 records

Muskat

Terminated

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

CZ DE
3 records

Badiel

Active

Triticum aestivum L. · Bread wheat

AGROSA SEMILLAS SELECTAS, S.A.

ES
3 records

Rassvet

Active

Triticum aestivum L. · Bread wheat

RUP «NAUCHNO - PRAKTICHESKIJ CZENTR NAN BELARUSI PO ZEMLEDELIYU»

UA
4 records

MADONNA

Active

Triticum aestivum L. · Bread wheat

RUP «NAUCHNO - PRAKTICHESKIJ CZENTR NAN BELARUSI PO ZEMLEDELIYU»

DK
4 records

Gecko

Terminated

Triticum aestivum L. · Bread wheat

ERHARD EBMEYER

DE
3 records

TROLL

Terminated

Triticum aestivum L. · Bread wheat

W WEIBULL

DK
4 records

Pandiia

Active

Triticum aestivum L. · Bread wheat

Kukuruza Ivan Ivanovych

UA
3 records

Wattines

Terminated

Triticum aestivum L. · Bread wheat

Florimond Desprez Veuve et Fils, FR

ES FR
3 records

Triticum aestivum L. · Bread wheat

Vlashcuk Anatolii Mykolaiovych, Biliaieva Iryna Mykolaivna, Zhupyna Andrii IUriiovych, Lavrynenko IUrii Oleksandrovych, Bazalii Halyna Hryhorivna, Usyk Liudmyla Oleksandrivna,

UA
5 records

Jawa

Terminated

Triticum aestivum L. · Bread wheat

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

PL
3 records

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

PL
3 records

Astarta

Active

Triticum aestivum L. · Bread wheat

Morhun Bohdan Volodymyrovych, Oksom Volodymyr Polikarpovych, Skryplov Volodymyr Oleksandrovych, Morhun Volodymyr Vasylovych,

UA
4 records

Kobold

Terminated

Triticum aestivum L. · Bread wheat

Ebrahim Kazman

DE
3 records

Triticum aestivum L. · Bread wheat

Babaiants Lazar Tihranovych, Rybalka Oleksandr Illich, Lytvynenko Raisa Ivanivna, Solomonov Ruslan Viacheslavovych, Rubakha Serhii Andriiovych, Maksymov Mykola Havrylovych, Lytvynenko Mykola Antonovych,

UA
3 records

Triticum aestivum L. · Bread wheat

Lytvynenko Raisa Ivanivna, Rubakha Serhii Andriiovych, Traskovetska Vita Anatoliivna, Vasyliev Oleksii Anatoliiovych, Babaiants Olha Vadymivna, Rybalka Oleksandr Illich, Ptashenchuk Oleksandr Mykytovych, Lytvynenko Mykola Antonovych, Babaiants Lazar Tihra

UA
3 records

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