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Diseases

Leaf spots — sugar beet

Beta vulgaris Sugar Beet Group

The most destructive disease is cercospora leaf spot, caused by the fungus Cercospora beticola Sacc. Symptoms of ramularia leaf spot, phoma leaf spot, and bacterial infections can also appear on the leaves.

In the reference 31 varieties crop Sugar beet, where this is mentioned in the description.

The causative agent of cercospora leaf spot manifests as necrotic, circular spots 2–5 mm in diameter with an ash-gray center and a characteristic dark brown, reddish-brown, or purple margin. In humid weather, a velvety, grayish-white fungal sporulation layer forms on the surface of the spots. Severe infection causes yellowing and death of the leaves, which forces the plant to consume sugars from the root crop to form a new rosette, thereby reducing yield and sugar content.

The pathogen Cercospora beticola exhibits high genetic variability, with numerous races and pathotypes adapted to specific cultivation zones. Varietal resistance is provided by the NBS-LRR gene family; however, the development of fully immune hybrids is difficult. Other leaf spots differ in their morphology: ramularia leaf spot is characterized by the absence of a distinct margin and the presence of a silvery-gray coating, phoma leaf spot by pronounced zonation with black pycnidia, and bacterial leaf spot by the oily, translucent appearance of the spots.

General information about the subject — on the page Leaf spot diseases.

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.

BTS Smart 6655 N

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed

BE CZ NL PL UA
6 records

Edison

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Maribo Seed International ApS, DK

ES HR HU PL
6 records

Toreador

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Sesvanderhave, B

HR HU UA
6 records

Smart Rossada KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS, D

ES HR HU
6 records

Victor

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Strube, D

CZ DE HU UA
6 records

Smart Lienna KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

DE DK SE UA
7 records

Smart Alevita KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

DE DK LT SE
6 records

Mustang

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Seeds

BE DK FR SE
7 records

Marino

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Maribo Seed International ApS

DK ES UA
8 records

Josephina KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

DE DK FR SE
6 records

Granate

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Seed Company Lion Seeds Ltd

ES FR LT UA
6 records

Fortnox

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Participations AG

BE LT NL SE
6 records

Bartok

Active

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE GmbH&Co.KG, DE

HR HU LT RO
6 records

Degas

Active

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE RESEARCH GMBH and CO KG

DE DK FR SE
6 records

Annemaria KWS

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE and CO KGAA

BE DE DK SE
6 records

BTS 2655 N

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Betaseed GmbH (DE)

BE DE FR NL
6 records

BTS 9975

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Margaret Rekoske

CZ DE PL UA
6 records

Matros

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Maribo Seed International ApS

ES UA
6 records

Vanilla

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Vestergaard Lisbet

DE HU UA
7 records

Volga

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Syngenta Crop Protection AG, CH

FR IT UA
6 records

Viorica KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Dietrich Hauer, Wolfgang Mechelke,

DE DK UA
6 records

Zemis

Active

Beta vulgaris Sugar Beet Group · Sugar beet

LION SEEDS

FR HR LT
6 records

ST Congo

Active

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE D and S GMBH

DE FR SE
6 records

Shannon

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Masfeld John

FR LT UA
6 records

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