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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.

Amba

Active

Dactylis glomerata L. · Cocksfoot

DLF-TRIFOLIUM A/S

AT DK EE ES HR IE +1
18 records

Tanafira

Active

Rosa L. · Rose

ROSEN TANTAU,MATHIAS TANTAU N.

DE FI NL PL
15 records

Olijplam

Active

Rosa L. · Rose

Olij Huibert W.

NL PL
17 records

Meinalpir

Active

Rosa L. · Rose

Meilland, Alain A.|Antibes, France

FR
15 records

Sw Talentro

Active

x Triticosecale Wittm. ex A. Camus · Triticale

SW Seed B.V.

CZ DE EE FR HR LT +4
23 records

Wintmalt

Protection expired

Hordeum vulgare L. · Barley

Lochow-Petkus GmbH (DE)

CZ DE EE FR LT LV +3
19 records

Tatjana

Protection expired

Festuca rubra L. · Red fescue

DLF-TRIFOLIUM A/S

CZ DK EE FR HR LT +4
17 records

Milkanova

Active

Trifolium repens L. · White clover

DLF-Trifolium (DK)

AT DE EE ES FR IT +3
16 records

Esprit

Protection expired

Secale cereale L. · Rye

Wilde, P.

AT BE DE DK EE LT +3
21 records

Seascape

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

University of Calfornia, Deparment of Pomology

DE DK ES FR HU NL +2
24 records

Evolo

Active

Secale cereale L. · Rye

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

AT DE DK EE FI LT +3
20 records

Telamon

Active

Malus domestica (Suckow) Borkh. · Apple

THE KENT INCORPORATED SOCIETY

BE DE ES FR HU IE +2
18 records

Halo

Application submitted

Secale cereale L. · Rye

Saatzucht Lochow-Petkus (DE)

BE DE DK ES HR IT +3
19 records

Etana

Active

Triticum aestivum L. · Bread wheat

Deutsche Saatveredelung AG, D-59557 Lippstadt

EE FI HU LT LV PL +1
20 records

Bastion

Protection expired

Lolium perenne L. · Perennial ryegrass

Mommersteeg International BV (NL)

AT DE DK ES FR IE +2
16 records

Meiflopan

Active

Rosa L. · Rose

SNC Meilland et Cie

BE DE DK ES FR IT +2
13 records

Limagie

Active

Poa pratensis L. · Kentucky bluegrass

FEUERSTEIN ULF / STELLING DIETER

AT DE DK EE LT LU +1
18 records

Pardus

Active

Festuca pratensis Huds. · Meadow fescue

Forschungsanstalt Agroscope Reckenholz-Tänikon ART

AT DE FI LU SI UA
16 records

Delstrobla

Active

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

BE DE ES FR IT NL
13 records

Ruicrevi

Active

Rosa L. · Rose

POUW| A.A. Pouw

DE ES FR IT NL
13 records

Sirius

Active

Malus domestica (Suckow) Borkh. · Apple

Zima Jan, Louda Otto, Tupy Jaroslav,

CZ HU NL UA
20 records

Prana

Active

Lolium perenne L. · Perennial ryegrass

Zelder BV (NL)

AT FR PL UA
16 records

Tanaledev

Active

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

NL PL UA
14 records

Kornalist

Active

Rosa L. · Rose

Wilhem Kordes

DE PL
13 records

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