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Variety traits

Winter Hardiness of Winter Rapeseed

Brassica napus L.

The complex ability of winter rapeseed to withstand sub-zero temperatures, thaws, and early spring stresses. It is determined by the condition of the root collar and sugar accumulation during the rosette stage.

In the reference 34 varieties crop Rapeseed, where this is mentioned in the description.

For winter rapeseed, the stage of entering winter is critical: optimal plant development is considered to be a rosette with 6–8 leaves, a root collar diameter of 8–12 mm, and a root length of at least 20 cm. At the same time, overgrown plants with more than 10 leaves and an elevated growing point lose frost resistance and can die at -8…-10 °C, whereas hardened plants can withstand temperatures down to -16…-20 °C, and under snow cover — down to -35 °C.

Winter hardiness assessment is conducted by calculating plant survival rates in spring or by using the monolith method with subsequent regrowth in controlled conditions. High crop survival is considered to be 85–95%, medium — 70–75%, and low — less than 65%. The main risks for reduced indicators are errors in agronomic practices, such as failure to meet sowing dates, excessive nitrogen nutrition in autumn, and pest damage that hinders the accumulation of reserve substances.

General information about the subject — on the page Winter hardiness.

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.

LG Austin

Active

Brassica napus L. · Rapeseed

Reinhard Hemker

AT BG EE HU LT RO +1
9 records

Belana

Protection expired

Brassica napus L. · Rapeseed

RAPS Gbr Saatzucht Lundsgaard (DE)

BG EE HU IT LT LV +2
9 records

DK Impression CL

Active

Brassica napus L. · Rapeseed

MONSANTO TECHNOLOGY

BG EE HU LT RO SK +1
9 records

Umberto KWS

Active

Brassica napus L. · Rapeseed

KWS SAAT SE & CO.KGAA

AT BG HU LT LV RO +1
8 records

Sitro

Active

Brassica napus L. · Rapeseed

DEUTSCHE SAATVEREDELUNG AG

EE HU LT LV RO SK +1
9 records

LG Antigua

Active

Brassica napus L. · Rapeseed

Reinhard Hemker

AT BG HU LT RO SK +1
10 records

Californium

Active

Brassica napus L. · Rapeseed

Zhan-Pier Deshpihel`

AT BG EE LT LV SK +1
10 records

Lirajet

Application submitted

Brassica napus L. · Rapeseed

DEUTSCHE SAATVEREDELUNG AG

AT LV NL SE SK UA
9 records

Brentano

Protection expired

Brassica napus L. · Rapeseed

RAPS Gbr Saatzucht Lundsgaard (DE)

BG EE IT LT LV RO +1
8 records

Kasalla

Active

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

AT BG EE HU LT LV +1
7 records

Mercedes

Active

Brassica napus L. · Rapeseed

Weibull AB

BG EE HU LT SK UA
9 records

Elmer CL

Active

Brassica napus L. · Rapeseed

RAPS Gbr Saatzucht Lundsgaard (DE)

BG EE HU LT LV RO
7 records

Albatros

Active

Brassica napus L. · Rapeseed

Thierry Ronsin

AT BG HU RO SK UA
7 records

Alvaro KWS

Active

Brassica napus L. · Rapeseed

KWS SAAT SE & CO.KGAA

AT BG HU LT SK UA
7 records

Fencer

Active

Brassica napus L. · Rapeseed

Raps GbR

AT BG EE LT LV SK
7 records

Aurelia

Active

Brassica napus L. · Rapeseed

Reinhard Hemker

AT HU LT RO SK UA
9 records

Oriolus

Active

Brassica napus L. · Rapeseed

Deutsche Saatveredelung AG,DE

BG EE HU LT SK UA
6 records

Franklin

Active

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

AT EE HU LT LV UA
7 records

Merano

Protection expired

Brassica napus L. · Rapeseed

Jutta Detering, Asmus Soren Petersen,

EE HU LT LV RO UA
7 records

Tempo

Active

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

AT EE LT LV SK UA
7 records

Colin CL

Active

Brassica napus L. · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

EE HU LT LV UA
6 records

Beatrix CL

Active

Brassica napus L. · Rapeseed

Dieter Stelling

LV SK UA
6 records

DK Imaret CL

Active

Brassica napus L. · Rapeseed

MONSANTO TECHNOLOGY

HU RO SK UA
6 records

Dynamic

Active

Brassica napus L. · Rapeseed

Deutsche Saatveredelung GmbH., Lippstadt DE

EE HU LT LU UA
5 records