Variety traits

Winter hardiness

Winter hardiness is a complex indicator of a variety's ability to remain viable throughout the winter and early spring periods, including resistance to frost and other environmental stress factors.

Mentioned in descriptions 27 261 varieties reference book.

Winter hardiness is a complex plant characteristic that includes resistance to freezing, smothering, waterlogging, frost heaving, and winter desiccation. Unlike frost resistance, which is limited to tolerance of low temperatures, winter hardiness takes into account the entire spectrum of adverse effects that lead to plant death or damage during the cold period.

The winter hardiness of a variety is evaluated using methods of field assessment of crop conditions after winter, employing scoring scales, as well as laboratory studies. The latter include direct freezing of plant monoliths, biochemical analyses of sugar accumulation, verification of the viability of the tillering node, and the use of genetic markers to determine resistance.

The level of winter hardiness depends on the genetic potential of the variety, the plant's ability to harden, agronomic cultivation practices, and the microclimate characteristics of a specific site. When choosing a variety, one should focus on regionalized forms, bearing in mind that the resistance indicator is relative and requires comparison with local standards and growing conditions.

Sources10

Breakdown by crop

Winter Hardiness of Roses 555 Winter hardiness of common wheat 220 Winter hardiness of apple trees 188 Winter Hardiness — Hydrangea macrophylla 187 Pear Winter Hardiness 123 Winter hardiness — perennial ryegrass 120 Winter Hardiness of Lily 91 Winter hardiness of winter rapeseed 81 Peach winter hardiness 71 Plum Winter Hardiness 65 Winter Hardiness of Clematis 61 Grapevine Winter Hardiness 56 Winter hardiness of winter barley 56 Winter hardiness — garden strawberry 52 Winter hardiness of sweet cherry 48 Tulip winter hardiness 42 Heuchera winter hardiness 40 Winter Hardiness of Alfalfa 39 Chrysanthemum winter hardiness 39 Winter hardiness of triticale 36 Winter Hardiness of Apple 36 Winter hardiness of Hydrangea serrata 36 Grapevine Winter Hardiness 35 Winter hardiness of apricot 35

Found in these crops

Rose 1 062 Apple 843 Bread wheat 657 Lily 410 European pear 348 Bigleaf hydrangea 315 Peach 264 Rapeseed 258 European plum 245 Grapevine 229 Perennial ryegrass 224 Sweet cherry 223

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Arkansas

Active

Brassica napus var. napus · Rapeseed

Reinhard Hemker

CZ DE DK FR PL UA

15 records

Triton

Active

Ribes nigrum L. · Blackcurrant

Tamas, Pal / Tamas, Beatrix

CZ DE DK HU NL SE +1

16 records

Bogota

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Wassenaar, L.M.

DE DK FR HU NL PL +2

17 records

Dromos

Active

Triticum aestivum L. · Bread wheat

Strube Saatzucht KG Söllingen

AT EE HU LT SK UA

11 records

Elvira

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Wassenaar

DE ES FR HU NL PL +2

14 records

Visello

Protection expired

Secale cereale L. · Rye

Peer Wilde^^^Brigitta Schmiedchen^^^Jutta Menzel

AT DE DK EE HR LT +1

12 records

Bulgaarse Reuzen

Active

Allium porrum L. · Leek

Bejo Zaden BV (NL)

BG CZ HR HU PL SI +1

11 records

Leonora

Terminated

Festuca rubra L. · Red fescue

DLF-TRIFOLIUM| DLF-Trifolium A/S

CZ DE DK EE FR HR +1

11 records

Verdi

Active

Pyrus communis L. · European pear

VERHAEGH JACOBUS JOHANNES

BE FR HU IT NL PL

17 records

Elanor

Protection expired

Festuca rubra L. · Red fescue

RITZEMA| Dineke Ritzema c/o Dansk Planteforaedling A/S (DLF-Trifolium A/S)

CZ DE DK FR NL PL +1

12 records

Pirol

Active

Lolium x hybridum Hausskn. · Hybrid ryegrass

Saatzucht Steinach GmbH & Co KG

AT DE DK LT LU PL

12 records

KWS Igor

Active

Secale cereale L. · Rye

KWS Lochow

CZ DE DK EE PL UA

15 records

Herkules

Active

Brassica napus var. napus · Rapeseed

SVALOF AB

DE DK ES HR PL SE

11 records

Obelisk

Active

Malus domestica (Suckow) Borkh. · Apple

TOBUTT| K.R. Tobutt c/o Horticultural Research International

BE DE FR IE NL PL

15 records

LG Arnova

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR IT SK UA

16 records

Barvital

Active

Festuca pratensis Huds. · Meadow fescue

BARENBRUG HOLLAND

CZ DE LU NL PL SK

11 records

Ben Connan

Active

Ribes nigrum L. · Blackcurrant

SCOTTISH CROP RESEARCH INSTITUTE

CZ DE DK NL PL SK

18 records

Ben Alder

Active

Ribes nigrum L. · Blackcurrant

SCRI / DAFS

DE DK LT NL PL SE

16 records

Viktorka

Active

Festuca rubra L. · Red fescue

Oseva Uni a.s., CZ

CZ DE FR PL SK

11 records

SY Harnas

Active

Brassica napus var. napus · Rapeseed

Syngenta Crop Protection,CH

CZ IE UA

12 records

Ragnar

Active

Phleum pratense L. · Timothy grass

Nilsson, Bengt

EE LT LV PL SE

12 records

Alice

Active

Festuca rubra L. · Red fescue

MOMMERSTEEG INTERNATIONAL

CZ DE EE FI FR NL

15 records

SU Midnight

Active

Hordeum vulgare L. · Barley

W.von Borries-Eckendorf, D

AT CZ DE PL UA

13 records

Niva

Active

Dactylis glomerata L. · Cocksfoot

PLANT BREEDING STATION

CZ LT LV PL SK

10 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.