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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.

Arkadia

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

PL
8 records

SY Landrich

Active

Triticum aestivum L. · Bread wheat

Syngenta Participations AG

EE LT
7 records

Hondia

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp. Zo.o., Pl- 64-000 Koscian

PL
8 records

LG Rozarka

Active

Triticum aestivum L. · Bread wheat

TOMAS NOVACEK

BG SK UA
7 records

Torp

Active

Triticum aestivum L. · Bread wheat

Nordic Seed A/S

DK
6 records

KWS Firefly

Active

Triticum aestivum L. · Bread wheat

KWS UK LTD

DK
9 records

Glasgow

Active

Triticum aestivum L. · Bread wheat

SAATEN UNION RECHERCHE

FR PL
8 records

Alicia

Active

Triticum aestivum L. · Bread wheat

Výzkumné Centrum Selton s.r.o., Selgen A.S.

UA
8 records

Tonacja

Active

Triticum aestivum L. · Bread wheat

NITA ZYGMUNT O. STANISLAW / PLUCIENNICZAK ELZBIETA, TERESA O JAN / PAKULSKA HANNA O. TADEUSZ / RYDZEWSKI JAN O. FRANCISZEK / BLASZCZAK WOJCIECH O. WLADYSLAW / BLASZCZAK MARIA O, MARIAN / JOACHIM KRZYSZTOF O. KRZYSZTOF

PL UA
8 records

Pinokio

Active

Triticum aestivum L. · Bread wheat

Secobra Recherches, F

ES IT
6 records

Bagou

Active

Triticum aestivum L. · Bread wheat

SAATEN UNION RECHERCHE

FR PL
7 records

Zeppelin

Active

Triticum aestivum L. · Bread wheat

Syngenta Hadmersleben

EE LT
6 records

Dichter

Terminated

Triticum aestivum L. · Bread wheat

SAATZUCHT JOSEF BREUN GmbH&Co.KG

LT NL
6 records

Christoph

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT SK
6 records

Sibelius

Active

Triticum aestivum L. · Bread wheat

STRUBE D and S GMBH

EE FI
7 records

Mv Emese

Active

Triticum aestivum L. · Bread wheat

Bedoe Zoltan / Lang Laszlo / Szunics Laszlo / Balla Laszlo / Vida Gyula / Szunics Laszlone / Karsai Ildiko / Veisz Otto

HR HU SI
6 records

LG Apollo

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.S

BE FR
7 records

SU Canolon

Active

Triticum aestivum L. · Bread wheat

Asur Plant Breeding, F

FR HR
8 records

Nelson

Active

Triticum aestivum L. · Bread wheat

Syngenta UK Ltd

LT NL
12 records

Eletta

Active

Triticum aestivum L. · Bread wheat

ISEA S.R.L

IT UA
7 records

BG Adora

Active

Triticum aestivum L. · Bread wheat

Borislav Kobiljski

BG UA
8 records

Thorus

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

DK NL
6 records

BG Unigold

Active

Triticum aestivum L. · Bread wheat

UNIGENETIC (BG)

HR UA
7 records

Catamaran

Terminated

Triticum aestivum L. · Bread wheat

LIMAGRAIN NEDERLAND

DK FR NL
7 records

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