Variety traits
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.
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.
Brassica napus L. · Rapeseed
DEUTSCHE SAATVEREDELUNG AG
Malus domestica (Suckow) Borkh. · Apple
VECHER WILLIAM (US)
Malus domestica (Suckow) Borkh. · Apple
Somersby Treefruit Somersby House
Lolium multiflorum Lam. · Italian ryegrass
ISTITUTO DI COLTIVAZIONE E ACCLIMATAZIONE DELLE PIANTE DI RADZIKOW
Brassica napus L. · Rapeseed
KWS SAAT SE Germany
Rosa L. · Rose
W. Kordes Sohne Rosenschulen GmbH & Co KG| DE
Rosa L. · Rose
Werner Kordes / Reimer Kordes / Wilhelm Kordes
Triticum aestivum L. · Bread wheat
Magyarosi, Tomas/Löhde, Jörgen
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
PLANT RESEARCH| Plant Research International B.V.
Brassica napus var. napus · Rapeseed
Jutta Kaiser, Jutta Kaiser,
Fragaria L. · Strawberry
WASSENAR LEENDERT MICHIEL
Triticum aestivum L. · Bread wheat
Nordsaat Saatzucht GmbH Saatzucht Langenstein
Triticum aestivum L. · Bread wheat
Istropol Solary a.s., Horné Myto SK
Malus domestica (Suckow) Borkh. · Apple
N.V.Jo Nicolai en Cie
Brassica napus var. napus · Rapeseed
LIDEA FRANCE SAS
Pyrus communis L. · European pear
SEMPRA PRAHA A S
x Triticosecale Wittm. ex A. Camus · Triticale
SW SEED GMBH| SW Seed GmbH
Prunus salicina Lindl. · Japanese plum
Prunus cerasus L. · Sour cherry
Prof Dr Werner Gruppe (DE)
Allium sativum L. · Garlic
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Malus domestica (Suckow) Borkh. · Apple
Uniwersytet Przyrodniczy w Poznaniu
Pyrus communis L. · European pear
Station de Geneva (US)
Brassica napus L. · Rapeseed
Euralis Semences FR