Cultivation
Winter covering is an agrotechnical practice for plant protection, indicating a variety's insufficient adaptation to the local climate. The necessity of this procedure shifts crop cultivation into an intensive and labor-intensive format, requiring regular expenditures and strict adherence to work s…
Mentioned in descriptions 14 029 varieties reference book.
The need for winter covering manifests as mandatory annual plant preparation, including mulching, hilling, bending down shoots, or using protective frames and materials. This is a variety marker indicating its inability to independently withstand local climatic conditions, which compels the agronomist to create an artificial environment for protection against frost damage.
Protection effectiveness directly depends on adhering to timelines and the quality of materials used. Early covering at high temperatures can provoke rotting or the development of fungal diseases, while late covering will not protect against early frosts. The success of the operation is also determined by the general condition of the plants: weakened specimens or an excess of nitrogen nutrition in autumn increase the risk of death even when protective structures are present.
Assessing the feasibility of covering relies on economic profitability and agrotechnical capabilities. With the aging of woody and shrub crops, the complexity of installing structures increases, which reduces the scalability of plantings. When choosing a variety, it is recommended to consider frost resistance data and prioritize regionalized winter-hardy alternatives that do not require manual intervention during the winter period.
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.
Beta vulgaris Sugar Beet Group · Sugar beet
VANDERHAVE SUGAR BEET SEED
Prunus persica (L.) Batsch · Peach
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
ROGGLI AG| Rudolf Roggli AG Pflanzenzucht/Samenbau
Daucus carota L. · Carrot
CLAUSE, S.A.
Festuca trachyphylla (Hack.) Hack. · Hard fescue
Peak Plant Genetics
Cichorium intybus L. (Industrial Chicory Group) · Chicory
SAS FLORIMOND-DESPREZ Veuve et Fils
Zea mays L. · Maize
KWS SAAT SE and CO KGAA
Cucumis sativus L. · Cucumber
Zeraim Gedera Ltd (IL)
Malus Mill. · Apple
Murawski, Smadlak, Fisher, M. Fisher
Raphanus sativus L. var. sativus · Radish
Krystyna Szrejder
Beta vulgaris Sugar Beet Group · Sugar beet
SAS FLORIMOND-DESPREZ Veuve et Fils
Allium cepa L. var. aggregatum G. Don · Shallot
Meyer, J.
Solanum lycopersicum L. · Tomato
MORAVOSEED CZ A.S.
Lolium perenne L. · Perennial ryegrass
Plant Breeding Station (GB)
Cucumis sativus L. · Cucumber
ZAYIN TECHNOLOGY S.L.
Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass
FAL Station de Recherche Agronomique Federale (CH)
Valerianella locusta (L.) Laterr. · Corn salad
ZWAAN MARTEN| Marten Zwaan
Prunus persica (L.) Batsch · Peach
Rene Monteux-Caillet (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Rijk Zwaan (NL)
Rosa L. · Rose
SNC Meilland et Cie
Lolium multiflorum Lam. · Italian ryegrass
MOMMERSTEEG INTERNATIONAL
Prunus persica (L.) Batsch · Peach
Rene Monteux-Caillet (FR)
Valerianella locusta (L.) Laterr. · Corn salad
Nunhems BV (NL)
Fagopyrum esculentum Moench · Buckwheat
INRA Institut National de Recherche Agronomigue