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.

GK Pilis

Active

Triticum aestivum L. · Bread wheat

Gabona Kutato, H

5 records

GK Szemes

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Gabonakutato Nonprofit, HU

6 records

Garfield

Active

Triticum aestivum L. · Bread wheat

SECOBRA RECHERCHES S.A.S

7 records

Giorgione

Active

Triticum aestivum L. · Bread wheat

S.I.S. SOCIETA' ITALIANA SEMENTI

5 records

BG Triamo 2S

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Biogranum, Novi Sad

6 records

BG Flexa

Active

Triticum aestivum L. · Bread wheat

Biogranum, Novi Sad

5 records

Bataja

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

6 records

Andante

Active

Triticum aestivum L. · Bread wheat

Prof. dr Borislav Kobiljski - Biogranum d.o.o., Novi sad

5 records

Alastro

Active

Hordeum vulgare L. · Barley

Apsovsementi S.p.A., CREA-GB

5 records

J.P. Connell

Protection expired

Rosa L. · Rose

ELISABETH ADAM SEGUIN MULTIPLANTS IN VITRO

BE FR NL

3 records

Pi 80

Active

Malus domestica (Suckow) Borkh. · Apple

Prof Dr Fischer (DE)

FR NL

3 records

Xenia.

Active

Pyrus communis L. · European pear

RESPUBLIKANSKOE NAUCHNO-PROIZVODSTVENNOE DOCHERNEE UNITARNOE PREDPRITIE «INSTITUT PLODOVODSTVA»

4 records

RGT MONT BLANC

Active

Avena sativa L. · Oat

RAGT 2N S.A.S

4 records

Pandora R.v.P.

Terminated

Lolium perenne L. · Perennial ryegrass

DPT VOOR PLANTENGENETICA EN -VEREDELING - D.REHEUL /BARENBRUG BELGIUM

4 records

Meltra R.v.P.

Terminated

Lolium perenne L. · Perennial ryegrass

ILVO-PLANT 39

3 records

KM Norbert

Protection expired

Medicago sativa L. · Alfalfa

Nagy Bela / Ficsor Jozsef / Bech Lajosne

4 records

Hot Spur

Active

Festuca arundinacea Schreb. · Tall fescue

PURE SEED TESTING

4 records

KM Agro

Active

Medicago sativa L. · Alfalfa

Nagy Bela / Ficsor Jozsef / Bech Lajosne

4 records

Crimson Gold

Active

Prunus persica (L.) Batsch var. nucipersica (Suckow) C. K. Schneid. · Nectarine

Zaiger, Chris F.|537 Rosemore Avenue Modesto, CA 95351

3 records

WP 04 XANTHE

Active

Dianthus L. · Carnation

John Whetman

3 records

Arvin Bruce

Active

Prunus avium (L.) L. · Sweet cherry

Lowell Glen Bradford Jon M Quisenberry

4 records

WP 04 ESTHER

Active

Dianthus L. · Carnation

John Whetman

3 records

VOLTHU 7898

Active

Thunbergia alata Bojer ex Sims · Black-eyed Susan vine

Volmary Hubertus

3 records

Tull 303

Active

Veronica L. · Speedwell

TULLY NURSERIES

3 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.