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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.

LG Initial

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.S

DE
4 records

Cimrmanova Rana

Active

Triticum aestivum L. · Bread wheat

Petr Laml

SK UA
4 records

Mv Optima

Terminated

Triticum aestivum L. · Bread wheat

Balla Laszlo / Bedoe Zoltan / Lang Laszlo / Szunics Laszlo / Szunics Laszlone

HU
3 records

Kashmir

Active

Triticum aestivum L. · Bread wheat

Syngenta Participations AG

DE
4 records

Perenaise

Active

Triticum aestivum L. · Bread wheat

Anne Ingver 20%, Merlin Haljak 10%, Reine Koppel 70% Centre of Estonian Rural Research and Knowledge

EE
4 records

Tytanika

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

PL
6 records

Stigg

Terminated

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

3 records

Grekau

Active

Triticum aestivum L. · Bread wheat

Agri-Obtentions S.A., Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

FR
4 records

Liryka

Active

Triticum aestivum L. · Bread wheat

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

PL UA
5 records

Ralle

Protection expired

Triticum aestivum L. · Bread wheat

KWS Lochow

NL SE
5 records

Frida

Active

Triticum aestivum L. · Bread wheat

S.I.S. SOCIETA' ITALIANA SEMENTI

IT
5 records

Lakaja DS

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

LT
4 records

Lobster

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

DE
5 records

Resulton

Active

Triticum aestivum L. · Bread wheat

SEMILLAS BATLLE, S.A.

ES
6 records

Hyvento

Active

Triticum aestivum L. · Bread wheat

NORDSAAT SAATZUCHT

DE
4 records

Semba

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

LT
4 records

Isabella

Active

Triticum aestivum L. · Bread wheat

GENETIC SERVICES S.R.L.

IT
3 records

Walter

Terminated

Triticum aestivum L. · Bread wheat

W WEIBULL

DK SE
6 records

Cadlimo

Active

Triticum aestivum L. · Bread wheat

Agroscope

4 records

Essa

Active

Triticum aestivum L. · Bread wheat

Poznanska Hodowla Roslin Sp. z o.o

PL UA
6 records

Mv Pirkadat

Active

Triticum aestivum L. · Bread wheat

Zoltán Bedő^^^László Láng^^^Ottó Veisz^^^Gyula Vida^^^Mariann Rákszegi^^^Klára Mészáros^^^Ildikó Karsai^^^Katalin Puskás

HU
5 records

Anilis

Active

Triticum aestivum L. · Bread wheat

Biogranum d.o.o. (RS)

HR
3 records

Criterium

Protection expired

Triticum aestivum L. · Bread wheat

Hybritech Europe SNC (FR)

FR
4 records

Astardo

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT
4 records

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