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.

Starbust

Application submitted

Lilium L. · Lily

Mak Breeding Rights B.V.

1 record

Starburst

Terminated

Clematis L. · Clematis

Szczepan Marczyński

1 record

RONDO

Active

Chaenomeles Lindl. · Flowering quince

K.Rumpunen, D.Kviklis, S.Ruisa

1 record

Talmax

Withdrawn

Dactylis glomerata L. · Cocksfoot

GIE GRASS (FR)

1 record

Takahashi

Active

Tulipa L. · Tulip

Ligthart Flowerbulbs

1 record

Stritens`ka

Terminated

Triticum aestivum L. · Bread wheat

Oksom Volodymyr Polikarpovych, Morhun Bohdan Volodymyrovych, Katerynchuk Oleksandr Mykhailovych, Morhun Volodymyr Vasylovych,

2 records

White River

Active

Tulipa L. · Tulip

Gulik V.o.f.

1 record

Ramona

Active

Lilium L. · Lily

De Looff Lily Innovation B.V.

1 record

Skierka

Terminated

Prunus cerasus L. · Sour cherry

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

2 records

Roberto

Active

Lilium L. · Lily

G.A. Verdegaal en Zn. Export B.V.

1 record

Pisnia Polonyny

Terminated

Chrysanthemum L. · Chrysanthemum

Zavidova Liudmyla Hnativna, Horobets Vasyl Fedorovych,

2 records

Timon

Application submitted

Hordeum vulgare L. · Barley

Danko Hodowla Roslin Sp.z.o.o.

1 record

Rich Romance

Active

Lilium L. · Lily

G.A. Verdegaal en Zn. Export B.V.

1 record

Parrot Pink Cariba

Active

Lilium L. · Lily

M.M. Duin

1 record

Raihorodka

Terminated

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Skrypl`ov Volodymyr Oleksandrovych, Oks`om Volodymyr Polikarpovych, Morhun Volodymyr Vasyl`ovych,

2 records

Myronivs`ka slava

Application submitted

Triticum aestivum L. · Bread wheat

Dubovyk Nataliia Serhiivna, Yurchenko Tetiana Vasylivna, Siroshtan Andrii Anatoliiovych, Zamlila Nina Petrivna, Humeniuk Oleksandr Volodymyrovych, Chernov Oleh Vasyl`ovych, Kochmars`kyi Valentyn Serhiiovych,

2 records

Pink Zsar

Active

Lilium L. · Lily

G.A. Verdegaal en Zn. Export B.V.

1 record

Metelytsia kharkivska

Active

Triticum aestivum L. · Bread wheat

Luchna Inna Stanislavivna, Leonov Oleh Yuriiovych, Riabchun Nataliia Ivanivna, Suvorova Kateryna Yuriivna,Usova Zoia Vasylivna, Iodkovskyi Vladislav Zdislavovych, Didenko Svitlana Yuriivna, Zuza Olena Oleksandrivna, Yarosh Andrii Vasylovych

2 records

Khlib Ariiv

Active

Triticum aestivum L. · Bread wheat

Babaiants Lazar Tihranovych, Zalohina-Kyrkelan Mariia Anatoliivna, Traskovetska Vita Anatoliivna, Babaiants Olha Vadymivna, Ternovyi Kyrylo Petrovych

2 records

Lacerta

Application submitted

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

1 record

Nadiezhda 2

Active

Medicago sativa L. nothosubsp. varia (Martyn) Arcang. · Bastard Medic

Tyschenko Andrii Viktorovych, Holoborod`ko Stanislav Petrovych, Sakhno Hennadii Viktorovych, Vozhehova Raisa Anatoliivna, Tyschenko Olena Dmytriievna,

2 records

Loreta

Active

Lilium L. · Lily

De Looff Lily Innovation B.V.

1 record

DITA KRENBERGA

Terminated

Rhododendron L. · Azalea

RIHARDS KONDRATOVICS

1 record

KAMALAMAI

Active

Hordeum vulgare L. · Barley

CSIC/SEMILLAS BATLLE

2 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.