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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.

WRH 492

Terminated

Brassica napus var. napus · Rapeseed

Dieter Stelling

UA
1 record

Wiener Winter

Protection expired

Brassica oleracea L. · Wild cabbage

AUSTROSAAT Österr. Samenzucht- und Handels-AG

AT
1 record

Wolf F1

Active

Allium cepa L. · Onion

Villem P. Van khake

UA
2 records

Willi

Terminated

Triticum aestivum L. · Bread wheat

Landwirtschaftliche Bundesversuchswirtschaften Ges.m.b.H.

AT
2 records

Zharynka

Terminated

Lilium L. · Lily

Kykot Larysa Mykhailivna

UA
2 records

ZEMGALE

Withdrawn

Pyrus communis L. · European pear

Rudolfs Dumbravs

LV
1 record

Weymouth ISK

Terminated

Vaccinium corymbosum L. · Highbush blueberry

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Yasnohirka

Terminated

Triticum aestivum L. · Bread wheat

Khomenko Svitlana Olehivna, Marynka Svitlana Mykolaivna, Shelepov Volodymyr Vasyl`ovych, Kolomiiets` Lidiia Andriivna, Vlasenko Volodymyr Anatoliiovych, Artemchuk Iryna Petrivna, Lohvynenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych,

UA
2 records

Zapashna

Active

Triticum aestivum L. · Bread wheat

Markova Tetiana IUriivna, Rohulina Larysa Vasylivna, Iodkovs`kyi Vladyslav Zdyslavovych, Riabchun Nataliia Ivanivna, Zviahin Andrii Fedorovych, Yel`nikov Mykola Ivanovych,

UA
2 records

Więcławicki

Active

Lolium perenne L. · Perennial ryegrass

Malopolska Hodowla Roslin Spolka z o.o.

PL
1 record

Wekmindesv

Active

Rosa L. · Rose

DESVALLON (FR)/Weeks Roses (US)/PRIMAVERA SARL (FR)

FR
1 record

Wars

Application submitted

Malus domestica (Suckow) Borkh. · Apple

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
2 records

Vytėnų rožinė

Protection expired

Prunus avium (L.) L. · Sweet cherry

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Yuvileine Mis

Terminated

Malus domestica (Suckow) Borkh. · Apple

Homeniuk Svitlana Viktorivna, Chupryniuk Viktor IAkovych,

UA
2 records

Vyshyvanka

Withdrawn

Triticum aestivum L. · Bread wheat

Nefedov IUrii Inokentiiovych, Lebedieva Halyna Danylivna, Chebakov Mykola Petrovych,

UA
2 records

Wczesna z Morden ISK

Active

Prunus armeniaca L. · Apricot

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
1 record

Vytėnų žvaigždė

Terminated

Prunus domestica L. · European plum

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Yuniol

Terminated

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Kotova Ol`ha Volodymyrivna, Tyschenko Nina Dmytrivna, Podshyvalov IUrii Mykhailovych,

UA
2 records

VSL 2.1

Terminated

Hybrids between Prunus fruticosa Pall. and Prunus cerasus L.

Budzynskyi Oleksandr Serhiiovych,Yarmoliuk Ivan Savych,

UA
1 record

You and Me Maroon

Terminated

Primula x polyantha Mill.

Výzkumný ústav pro krajinu, v. v. i. (CZ)

CZ
1 record

Yobarbara

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

VANDENBERG| Cornelis P. Vandenberg

DE
1 record

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