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Diseases

Powdery mildew — sugar beet

Beta vulgaris Sugar Beet Group

A fungal disease of sugar beet caused by the obligate parasite Erysiphe betae. It manifests as a white web-like coating on leaves, leading to yellowing, a 20–30% reduction in root yield, and a decrease in sugar content.

In the reference 186 varieties crop Sugar beet, where this is mentioned in the description.

The pathogen Erysiphe betae infects the above-ground parts of the plant, including leaves, stems, and seed balls. Symptoms are typically detected in June–July as a delicate white coating on both sides of the leaf blades, which eventually becomes denser and takes on a powdery appearance. In the second half of the growing season, the fungus develops fruit bodies known as cleistothecia on the coating, appearing as small brown or black dots.

The development of the pathogen is favored by dry, hot weather at temperatures between +20 and +30°C and sharp fluctuations in air humidity. In breeding for resistance to the pathogen, marker-assisted selection methods are used, focusing on the study of the NBS-LRR gene family and the analysis of single nucleotide polymorphisms in potential resistance genes such as PMR5.

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

Sources8

Varieties of Sugar beet 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.

Beta vulgaris Sugar Beet Group · Sugar beet

Dietrich Hauer, Madlaina Peter,

DE UA
3 records

Radnevo

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

SUGAR BEET RESEARCH INSTITUTE

BG IT
3 records

Beta vulgaris Sugar Beet Group · Sugar beet

SESVanderhave NV

IT UA
3 records

Livorno

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Khoremans Stefan

UA
3 records

Kujavia

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KUTNOWSKA HODOWLA BURAKA CUKROWEGO Sp.z o.o.

PL UA
4 records

Khafra

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

Florimond Desprez

HU IT
3 records

Kestrel

Active

Beta vulgaris Sugar Beet Group · Sugar beet

U DIECKMANN

CZ DE
3 records

Hamilton

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Danisco Seed A/S (Danisco Sugar A/S)

DK LT
3 records

Gunnar

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Strube D&S GMBH

DE
3 records

Beta vulgaris Sugar Beet Group · Sugar beet

SAS FLORIMOND-DESPREZ Veuve et Fils

FR UA
3 records

FD Surf

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Florimond Desprez Veuve et Fils, FR

FR UA
3 records

Beta vulgaris Sugar Beet Group · Sugar beet

Henning Friehe

DE UA
3 records

Beta vulgaris Sugar Beet Group · Sugar beet

Henning Friehe

IT UA
3 records

BTS 875

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Margaret Rekoske

DE UA
4 records

BTS 5800

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

DE
3 records

BTS 5715 N

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

DE
3 records

BTS 410

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

DE IT
3 records

BTS 3740

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

DE IT
3 records

BTS 3560

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Margaret Rekoske

DE UA
3 records

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

DE
3 records

Balear

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVanderHave N.V./S.A.

BE LT
3 records

Winetou

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SESVANDERHAVE N.V./S.A.

PL
2 records

Topgun

Active

Beta vulgaris Sugar Beet Group · Sugar beet

DLF Beet Seed APS

PL
2 records

ST Tweed

Active

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE D and S GMBH

DE
2 records