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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.

RGT Anticiclon

Active

Triticum aestivum L. · Bread wheat

RAGT 2n

ES
4 records

Mv Hombar

Terminated

Triticum aestivum L. · Bread wheat

HUN-REN Agrártudományi Kutatóközpont

HU
5 records

Oxford

Active

Triticum aestivum L. · Bread wheat

DEUTSCHE SAATVEREDELUNG AG

FR
4 records

GK Csillag

Active

Triticum aestivum L. · Bread wheat

Matuz Janos / Kertesz Zoltanne / Kertesz Zoltan / Banhidy Judit / Csoesz Laszlone / Beke Bela / Cseuz Laszlo / Mesterhazy Akos / Acs Peterne / Falusi Janos / Petroczi Istvan / Papp Maria

HU
4 records

Belissa

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
4 records

RGT Tweeteo

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

FR
4 records

Opoka

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
6 records

BG Freska 2S

Active

Triticum aestivum L. · Bread wheat

Biogranum D.O.O.,Milana20,Novi Sad, Serbia

BG
4 records

Suleva DS

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

LT
4 records

Rabagast

Active

Triticum aestivum L. · Bread wheat

Graminor AS, N-2322 Ridabu

4 records

Sarta

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

LT
4 records

Sikorka

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

PL
5 records

Ansempra

Active

Triticum aestivum L. · Bread wheat

Prof. dr Borislav Kobiljski - Biogranum d.o.o., Novi sad

BG
3 records

Andrejka

Active

Triticum aestivum L. · Bread wheat

SELGEN A.S

SK
4 records

Aymeric

Terminated

Triticum aestivum L. · Bread wheat

Nickerson International Research geie, FR

FR
5 records

Tobias

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT
4 records

Polkka

Terminated

Triticum aestivum L. · Bread wheat

Lantmannen SW Seed AB, SE-268 81 Svalof

3 records

Stan

Active

Triticum aestivum L. · Bread wheat

BESPALOVA LYuDMILA ANDREEVNA / PUZYRNAYa OL'GA YuR'EVNA / NOVIKOV ALEKSEJ VLADIMIROVICh / KERIMOV VAGIF RAHMETOVICh / ABLOVA IRINA BORISOVNA / LYSAK NIKOLAJ IVANOVICh / BUKREEVA GALINA IVANOVNA / KUDRYaShOV IGOR' NIKOLAEVICh / ZIMA VALENTINA GRIGOR'EVNA /

UA
5 records

RGT Riff

Terminated

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

DE
4 records

Vánek

Terminated

Triticum aestivum L. · Bread wheat

KWS Lochow

LT
4 records

KWS Barrel

Active

Triticum aestivum L. · Bread wheat

KWS UK LTD

DE
6 records

Mv Káplár

Active

Triticum aestivum L. · Bread wheat

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

HU
5 records

Cornette

Terminated

Triticum aestivum L. · Bread wheat

PROF. F. FAJERSSON C/O SV. WEIB.

DK FR
4 records

Mireete

Active

Triticum aestivum L. · Bread wheat

Kadri Järve 20%, Tallinna TÜ, Irena Jakobson 20%, Tallinna TÜ, Hilma Peusha 20%, Tallinna TÜ, Miroslav Valarik 10%, Institute of Experimental Botany, Centre of the Region Hana for Biotechnological and Agricultural Research, Tšehhi, Anne Ingver 15%, ETKI,

EE
4 records

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