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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.

Amazing Grace

Active

Tulipa L. · Tulip

Maveridge Licensing B.V.

NL
1 record

Artaban

Active

Vitis L. · Grapevine

JKI - Julius Kuhn Institut (DE)/Institut National de la Recherche Agronomique (FR)

FR
2 records

Alnora

Terminated

Pyrus communis L. · European pear

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Aromatnyi

Active

Vitis vinifera L. · Common grape vine

Herus Liudmyla Vasylivna, Pis`menaia Larysa Mykhailivna, Bankovska Mariia Hryhorivna, Tulaieva Maiia Ivanivna, Chebanenko IEvheniia Pavlivna, Meleshko Larysa Fedorivna,

UA
2 records

Alka

Protection expired

Pyrus communis L. · European pear

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Amber Waves

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

NL
1 record

Alva

Protection expired

Malus domestica (Suckow) Borkh. · Apple

Lenkijos sodininkystės ir gėlininkystės institutas

LT
1 record

ANDRIS

Terminated

Rhododendron L. · Azalea

RIHARDS KONDRATOVICS

LV
1 record

Alberta

Terminated

Brassica napus L. · Rapeseed

KOIPESOL S.A.

IT
1 record

Alaska

Active

Muscari · Grape hyacinth

V.O.F. A.J. van den Berg Flower Power

NL
1 record

Ala

Active

Miscanthus sinensis Andersson · Chinese silver grass

Przemysław Godlewski

PL
1 record

Akveduk

Active

Triticum durum Desf. · Durum wheat

Kotelenets` Olena Hryhorivna, Nesterova Natalia Havrylivna, Parfentiev Mykhailo Hryhorovych, Vasyliev Oleksii Anatoliiovych, Rybalko Oleksandr Illich, Albul Anatolii Oleksiiovych, Palamarchuk Anatolii Ivanovych,

UA
2 records

Amedea

Active

Tulipa L. · Tulip

Mastenbroek Breeding Rights B.V./Vriend Cultures B.V.

NL
1 record

Al`mins`kyi

Terminated

Juglans regia L. · Persian walnut

Khokhlov Serhii IUriiovych, Yadrov Oleksandr Oleksiiovych, Pasenkov Arkadii Kostiantynovych,

UA
2 records

Anglian Gold

Active

Brassica oleracea L. (Marrowstem Kale Group) · Marrow-stem kale

P.H. Petersen Saatzucht Lundsgaard GmbH Herrn Asmus Sören Petersen / Michaela Schlathölter

DE
2 records

Anastasia

Active

x Amarine Sealy

Agro Fleur Select B.V./Bas van Keulen

NL
1 record

Aleks

Active

Juglans regia L. · Persian walnut

Ponomarenko Oleksandr Konstiantynovych

UA
2 records

Alda

Terminated

Trifolium repens L. · White clover

Poznanska Hodowla Roslin Sp. z o.o

PL
1 record

AFK STRONH

Active

Triticum aestivum L. · Bread wheat

Bahatchenko Volodymyr Vasyl`ovych, Tsentylo Leonid Vasyl`ovych,

UA
2 records

Albidona

Active

Lilium L. · Lily

World Breeding B.V

NL
1 record

Aira

Active

Festuca rubra L. · Red fescue

Bortnovska Olena Ivanivna, Petrychenko Vasyl Florovych, Bortnovskyi Vitalii Mykolaiovych, Buhaiov Vasyl Dmytrovych,

UA
2 records

Albalonga

Active

Vitis vinifera L. · Common grape vine

LAND BAYERN WUERZBURG| Land Bayern, vertreten durch Bayerische Landesanstalt fuer Weinbau und Gartenbau - Abt. Weinbau und Oenologie -

DE
2 records

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