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.

SU Addiction

Active

Triticum aestivum L. · Bread wheat

ASUR Plant Breeding S.A.S

4 records

Sova

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

4 records

Solbunch

Application submitted

Allium fistulosum L. · Welsh onion

De Groot en Slot B.V.,Bejo Zaden B.V.

5 records

Snowdrop

Active

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

TOZER SEEDS LTD

4 records

Spaths Albrubin

Active

Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt

Südwestdeutsche Saatzucht GmbH&Co.KG

4 records

Souvenir

Active

Lilium L. · Lily

B.T. LELIES B.V.

3 records

SM Eris

Active

Triticum durum Desf. · Durum wheat

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

4 records

Spineto

Active

Triticum durum Desf. · Durum wheat

Porfiri Marino (Impresa Individuale)

4 records

Skald

Active

Phleum pratense L. · Timothy grass

Malopolska Hodowla Roslin Spolka z o.o.

4 records

Sima

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

4 records

Sinap orlovskij

Active

Malus domestica (Suckow) Borkh. · Apple

VNII SELEKCZII PLODOVYX KULTUR

4 records

Sladoran

Active

Hordeum vulgare L. · Barley

Poljoprivredni Institut Osijek, HR

3 records

Sikorka

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

5 records

Shooting Stars

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :EVELEENS C P

3 records

Seyanets Golubki

Active

Ribes nigrum L. · Blackcurrant

ZOTOVA ZOYa SERGEEVNA / ZABELINA LILIYa NIKIFOROVNA / KALININA IDA PAVLOVNA / LISAVENKO MIHAIL AFANAS'EVICh

3 records

Senshyu Yellow Globe

Active

Allium cepa L. · Onion

Sakata Seed Co, J

3 records

Selechenskaya

Active

Ribes nigrum L. · Blackcurrant

ASTAHOV ALEKSANDR IVANOVICh

3 records

Selma

Active

Trifolium pratense L. · Red clover

Pertti Pärssinen^^^Mika Isolahti

5 records

Sedula DS

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

4 records

Shibil

Active

Triticum aestivum L. · Bread wheat

Galina Mihova, Nikolay Tsenov, Tatyana Petrova, Vanya Ivanova, Sonya Doneva, Diyana Yordanova, Yordanka Stanoeva, Hristo Stoyanov, Bilyana Ivanova, Tsvetelina Gerdzhikova

4 records

Semnal

Active

Triticum aestivum L. · Bread wheat

SAULESCU NICOLAEITTU GHEORGHEMUSTATEA POMPILIUITTU MARIANAGIURA AUREL

4 records

Sarta

Active

Triticum aestivum L. · Bread wheat

Lietuvos agrarinių ir miškų mokslų centras

4 records

Siela

Active

Hordeum vulgare L. · Barley

prof.Dragomir Valchev, prof.Darina Valcheva

4 records

Sandis

Active

Trifolium pratense L. · Red clover

Latvijas Lauksaimniecibas universitate

4 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.