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.

Arminius

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

7 records

Yamaska

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Shahrokh Khanizadeh

8 records

Aphrodite

Active

Calluna vulgaris (L.) Hull · Common heather

Heidezüchtung Kurt Kramer

DE PL

4 records

Avalon

Active

Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard

J. Joordens' Zaadhandel B.V.

DE NL

6 records

Asia

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

New Fruits, I

ES NL

7 records

Antti

Terminated

Festuca pratensis Huds. · Meadow fescue

INNOSEEDS| Innoseeds B.V.

DE FI

5 records

Agata

Terminated

Lolium x hybridum Hausskn. · Hybrid ryegrass

Poznanska Hodowla Roslin Sp. z o.o

IT PL

4 records

Amarillo

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Saatzucht Dr. Hege GbRmbH (DE)

FR MT

5 records

Alberta

Terminated

Brassica napus var. napus · Rapeseed

KOIPESOL, S.A./SVALOF AB

DK ES

5 records

Advance

Protection expired

Hordeum vulgare L. · Barley

Streng Wintergersten GbR

DE FR

6 records

Mv Lucilla

Active

Triticum aestivum L. · Bread wheat

Zoltán Bedő^^^László Láng^^^Ottó Veisz^^^Gyula Vida^^^László Szunics^^^Ildikó Karsai^^^Mariann Rákszegi^^^Klára Mészáros^^^Szücs Péter^^^Szunics Lászlóné

6 records

RGT Voltadur

Active

Triticum durum Desf. · Durum wheat

RAGT 2N S.A.S

5 records

Goyave

Active

Lolium perenne L. · Perennial ryegrass

DLF Trifolium A-S, DK

5 records

LS Apalache

Active

Linum usitatissimum L. · Common flax

LABOULET SEMENCES

4 records

Damast

Active

Allium fistulosum L. · Welsh onion

Nunhems Germany GmbH

6 records

Katrin

Active

Trifolium pratense L. · Red clover

Graminor AS, N-2322 Ridabu

5 records

Formacja

Active

Triticum aestivum L. · Bread wheat

Poznanska Hodowla Roslin Sp. z o.o

6 records

Baniva

Active

Festuca rubra L. · Red fescue

DLF Seeds A-S, DK

4 records

Accomply

Active

Triticum aestivum L. · Bread wheat

Florimond Desprez Veuve et Fils, FR

6 records

Tan94488

Active

Rosa L. · Rose

Rosen Tantau KG

4 records

TAN08148

Active

Rosa L. · Rose

CHRISTIAN EVERS

4 records

Poulnap003

Active

Rosa L. · Rose

Poulsen Roser A/S

6 records

Poulnap002

Active

Rosa L. · Rose

Poulsen Roser A/S

5 records

Poulnap001

Active

Rosa L. · Rose

Poulsen Roser A/S

5 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.