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Diseases

Sclerotinia stem rot of rapeseed

Brassica napus var. napus

A fungal disease of rapeseed caused by the pathogen Sclerotinia sclerotiorum, manifesting as damage to stems and pods after flowering. It leads to premature ripening, plant lodging, and the formation of black sclerotia within the tissues.

In the reference 170 varieties crop Rapeseed, where this is mentioned in the description.

Plant infection occurs primarily via ascospores that settle on flower petals. As infected petals fall onto leaves and stems, they become primary infection foci. At the sites of infection, watery, weeping spots appear, which become covered with a white, cottony mycelial growth.

Typical symptoms include discoloration and softening of the stem, causing the plants to snap and lodge. In dry conditions, the mycelial growth may disappear, leaving the tissues with a dry and bleached appearance. Sclerotia—the resting structures of the fungus—form inside the damaged stems.

Complete monogenic resistance to Sclerotinia stem rot is absent in rapeseed cultivars. Breeding is focused on creating quantitative field resistance by accumulating polygenic complexes; however, there are currently no commercially available cultivars with identified resistance genes to this pathogen.

General information about the subject — on the page White mold.

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.

Lirajet

Protection expired

Brassica napus var. napus · Rapeseed

CZ DE DK HR PL SE
13 records

RGT Jakuzzi

Active

Brassica napus var. napus · Rapeseed

CZ DE DK
8 records

Armani

Active

Brassica napus var. napus · Rapeseed

DE DK
5 records

Churchill

Active

Brassica napus var. napus · Rapeseed

DE DK
6 records

Pegazzus

Active

Brassica napus var. napus · Rapeseed

RAGT 2n

DK PL
3 records

Callos CL

Active

Brassica napus var. napus · Rapeseed

Limagrain Europe S.A.S

ES UA
4 records

Sparker

Active

Brassica napus var. napus · Rapeseed

SEMPRA PRAHA A S

CZ PL
5 records

Pantheon

Active

Brassica napus var. napus · Rapeseed

Monsanto Agriculture France SAS (FR)

FR
3 records

Furax

Terminated

Brassica napus var. napus · Rapeseed

Ringot (FR)

ES FR
3 records

Frity

Active

Brassica napus var. napus · Rapeseed

OSEVA vývoj a výzkum s.r.o. (CZ)/SELGEN, a.s. (CZ)/SEMPRA PRAHA a.s. (CZ)/Národní centrum zemědělského a potravinářského výzkumu, v. v. i. (CZ)/Agritec Plant Research s.r.o. (CZ)

CZ PL
4 records

Galileus

Active

Brassica napus var. napus · Rapeseed

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL UA
5 records

Firenzze

Active

Brassica napus var. napus · Rapeseed

RAGT 2n, FR

FR
4 records

Bakara

Active

Brassica napus var. napus · Rapeseed

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
4 records

Whisky

Terminated

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht DE

FR
4 records

Stanley

Active

Brassica napus var. napus · Rapeseed

Saatzucht Donau GmbH & Co.KG

PL
4 records

Rescator

Active

Brassica napus var. napus · Rapeseed

SELGEN A.S

CZ
5 records

PX144

Active

Brassica napus var. napus · Rapeseed

PIONEER OVERSEAS CORPORATION

DK
6 records

Marita

Protection expired

Brassica napus var. napus · Rapeseed

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
4 records

ES Neptun

Active

Brassica napus var. napus · Rapeseed

P. Jeanson

UA
3 records

DK Extremus

Active

Brassica napus var. napus · Rapeseed

Monsanto Technology LLC, US

FR
3 records

DK Exprit

Terminated

Brassica napus var. napus · Rapeseed

Monsanto Agriculture France SAS (FR)

FR
3 records

Celebriti CS

Active

Brassica napus var. napus · Rapeseed

Pierre GARRAUD

UA
4 records

Bogart

Active

Brassica napus var. napus · Rapeseed

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

PL
7 records

Blackmillion

Active

Brassica napus var. napus · Rapeseed

RAGT 2n, FR

FR
4 records