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.

George Sand

Active

Rhododendron L. · Azalea

Piotr Muras

1 record

Goldwing

Active

Lilium L. · Lily

The Originals B.V.

2 records

Gelsvis

Terminated

Lotus corniculatus L. · Bird's-foot trefoil

Lietuvos agrarinių ir miškų mokslų centro filialas Žemdirbystės institutas

1 record

Golden Matrix

Active

Lilium L. · Lily

The Originals B.V.

1 record

Golden Jewel

Active

Tulipa L. · Tulip

Vitesse

1 record

Gausiai

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

Lietuvos agrarinių ir miškų mokslų centras

1 record

Freya

Active

Calluna vulgaris (L.) Hull · Common heather

Helmut und Thomas Hiedl GbR

1 record

GM 79

Terminated

Prunus cerasus L. · Sour cherry

Centre de Recherches Agronomiques de Gembloux (BE)

2 records

Galinda

Terminated

Bromus inermis Leyss. · Smooth brome

Lietuvos agrarinių ir miškų mokslų centro Vokės filialas

1 record

Gaisra

Terminated

Pyrus communis L. · European pear

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

Glamour

Active

Tulipa L. · Tulip

Vertuco B.V.

1 record

GL Alice

Terminated

Vicia faba L. var. equina St.-Amans · Horse bean

Eveline Adam

1 record

Gojus

Terminated

Festuca rubra L. · Red fescue

Lietuvos agrarinių ir miškų mokslų centro Vokės filialas

1 record

Fuenta

Active

Lilium L. · Lily

Mak Breeding Rights B.V.

2 records

Fusion

Active

Lilium L. · Lily

Kwekerij de Sch³llhorn

1 record

Florin

Terminated

Chrysanthemum L. · Chrysanthemum

Dekker

1 record

FRODE

Withdrawn

Dactylis glomerata L. · Cocksfoot

SVALOF AB

1 record

Glenant

Active

Triticum aestivum L. · Bread wheat

Agri Obtentions SA (FR)/Institut National de la Recherche Agronomique (FR)

1 record

Fudzhyna

Terminated

Malus domestica (Suckow) Borkh. · Apple

Zhytkevych Viacheslav Hryhorovych, Diakov Anatolii Andriivych,

2 records

Fredrik

Protection expired

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

Nilsson, Bengt

1 record

Gh 788

Withdrawn

Medicago sativa L. · Alfalfa

W-L Research

1 record

Giant Red

Active

Prunus avium (L.) L. · Sweet cherry

Marvin L. Nies

1 record

Flamingo

Terminated

Fargesia murielae (Gamble) T.P.Yi · Umbrella bamboo

Erbe/Erbengemeinschaft Fred Vaupel

1 record

Frankfurter Fruehling

Terminated

Syringa L. · Lilac

Hans Schweikart

1 record

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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.