PT261
ActiveBrassica napus var. napus · Rapeseed
PIONEER OVERSEAS CORPORATION
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.
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.
Hearty
ActiveBrassica napus var. napus · Rapeseed
MONSANTO (UK)
Elgar
ActiveBrassica napus var. napus · Rapeseed
SYNGENTA WINTER OILSEED AB
SY Ilona
ActiveBrassica napus var. napus · Rapeseed
Syngenta Participations AG
PL
3 records
Redstoun
ActiveBrassica napus var. napus · Rapeseed
Breus Oksana Serhiivna, Davydiuk Ihor Mykolaiovych, Koval`chuk Zoreslava Volodymyrivna, Parii IUliia Oleksandrivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych, Parii Fedir Mykytovych,
UA
3 records
Parker
ActiveBrassica napus var. napus · Rapeseed
Solomenko Andrii Ivanovych, Breus Oksana Serhiivna, Parii IUliia Oleksandrivna, Koval`chuk Zoreslava Volodymyrivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych,
UA
3 records
Blekstoun
ActiveBrassica napus var. napus · Rapeseed
Breus Oksana Serhiivna, Davydiuk Ihor Mykolaiovych, Parii IUliia Oleksandrivna, Koval`chuk Zoreslava Volodymyrivna, Parii Myroslav Fedorovych, Parii IAroslav Fedorovych, Parii Fedir Mykytovych,
UA
3 records
Oksana
ActiveBrassica napus var. napus · Rapeseed
CZ
4 records
Vegas
ActiveBrassica napus var. napus · Rapeseed
DK
4 records
DK Immortal CL
ActiveBrassica napus var. napus · Rapeseed
UA
5 records
DK Execto
ActiveBrassica napus var. napus · Rapeseed
CZ
3 records
DK Imove CL
ActiveBrassica napus var. napus · Rapeseed
UA
4 records
Golding
ActiveBrassica napus var. napus · Rapeseed
DE
DK
3 records
Hasting
ActiveBrassica napus var. napus · Rapeseed
DK
4 records
Kriter
TerminatedBrassica napus var. napus · Rapeseed
DK
3 records
SY Alibeat
ActiveBrassica napus var. napus · Rapeseed
DK
3 records
Turing
ActiveBrassica napus var. napus · Rapeseed
DK
4 records
SW Calypso
TerminatedBrassica napus var. napus · Rapeseed
DK
3 records
Navigator
TerminatedBrassica napus var. napus · Rapeseed
SE
3 records
Oponent
ActiveBrassica napus var. napus · Rapeseed
CZ
4 records
Marcos
TerminatedBrassica napus var. napus · Rapeseed
DK
3 records
Horus
TerminatedBrassica napus var. napus · Rapeseed
DE
3 records
Hermann
ActiveBrassica napus var. napus · Rapeseed
DE
3 records
KWS Heikos
ActiveBrassica napus var. napus · Rapeseed
DK
3 records