Skip to content
agronom.cc cultivar database

Diseases

Phoma stem canker of oilseed rape

Brassica napus var. napus

A fungal disease of oilseed rape caused by Leptosphaeria maculans and L. biglobosa, affecting all plant organs and capable of causing crop failure due to the destruction of the root collar.

In the reference 529 varieties crop Rapeseed, where this is mentioned in the description.

The pathogens of the disease are two fungal species: the more aggressive Leptosphaeria maculans and the less aggressive Leptosphaeria biglobosa, whose anamorph stage is known as Phoma lingam. The pathogen exhibits high genetic variability, manifesting in the presence of various pathotypes that differ in virulence.

The disease affects oilseed rape at all growth stages. Light spots with pycnidia appear on seedlings, and gray-brown spots with a dark margin appear on leaves. The most dangerous symptom is the formation of necrotic cankers at the stem base, which lead to tissue cracking, impaired nutrient uptake, and plant lodging.

Resistance of oilseed rape to Phoma stem canker includes qualitative resistance based on specific Rlm genes (e.g., Rlm4, Rlm7) that interact with the pathogen's avirulence genes. Quantitative polygenic resistance is also employed, aimed at slowing down the spread of infection in stem tissues and petioles.

General information about the subject — on the page Phoma rot.

Sources8

Varieties of Rapeseed 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.

Astronom

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

CZ DE FR UA
12 records

Anniston

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

CZ FR PL UA
13 records

LG Auckland

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

CZ DE DK FR PL UA
13 records

Alvaro KWS

Active

Brassica napus var. napus · Rapeseed

KWS SAAT SE & CO.KGAA

CZ DE PL UA
10 records

Dariot

Active

Brassica napus var. napus · Rapeseed

Monsanto International Sarl (CH)/Deutsche Saatveredelung AG - DSV (DE)

CZ DK FR IE
15 records

Trezzor

Active

Brassica napus var. napus · Rapeseed

Ragt, F

CZ DK FR PL
10 records

Amazzonite

Active

Brassica napus var. napus · Rapeseed

RAGT 2n, FR

CZ DE DK FR UA
12 records

Gordon KWS

Active

Brassica napus var. napus · Rapeseed

KWS, D

CZ FR UA
12 records

SY Iowa

Active

Brassica napus var. napus · Rapeseed

Syngenta Participations AG

DE DK PL UA
11 records

Express

Protection expired

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DE DK HR IE PL SE
16 records

Doublol

Terminated

Brassica napus var. napus · Rapeseed

Semences Cargill SA (FR)/Deutsche Saatveredelung AG - DSV (DE)

BE DE DK FR HU PL
14 records

Anderson

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

DK FR PL UA
11 records

DK Exception

Active

Brassica napus var. napus · Rapeseed

Nelly Guguin

CZ DK FR UA
14 records

Sensation

Active

Brassica napus var. napus · Rapeseed

Serasem, FR

DE DK FR PL UA
11 records

Desperado

Active

Brassica napus var. napus · Rapeseed

Dieter Stelling

CZ DK FR PL UA
14 records

DK Expower

Active

Brassica napus var. napus · Rapeseed

Monsanto Technology, USA

CZ DE DK FR HR
14 records

Nelson

Active

Brassica napus var. napus · Rapeseed

SYNGENTA SEEDS| Syngenta Seeds GmbH

DE PL SE UA
9 records

KWS Granos

Active

Brassica napus var. napus · Rapeseed

KWS, D

CZ FR PL UA
14 records

ES Capello

Active

Brassica napus var. napus · Rapeseed

LIDEA FRANCE SAS

CZ FR PL UA
11 records

Aurelia

Active

Brassica napus var. napus · Rapeseed

Limagrain Europe, F

CZ DK IE PL
14 records

Artemis

Active

Brassica napus var. napus · Rapeseed

Limagrain Europe, F

CZ DE DK PL
16 records

Batis

Active

Brassica napus var. napus · Rapeseed

Dieter Stelling

CZ DE PL UA
9 records

Alicante

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

CZ FR PL UA
11 records

Duke

Active

Brassica napus var. napus · Rapeseed

Deutsche Saatveredelung, D

CZ FR PL
11 records

Jump to page 7 10 13 16 20