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.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Daniel Gabillard
Brassica oleracea L. (White Cabbage Group) · White cabbage
Ger Beemsterboer
Brassica oleracea L. (White Cabbage Group) · White cabbage
Ger Bimsdeboer
Vitis vinifera L. · Common grape vine
Valentin Blattner-Haefeli und Frau Silvia
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Phaseolus vulgaris L. · Common bean
Les Graines Caillard Sa (FR)
Solanum lycopersicum L. · Tomato
TORSEED - Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa S.A.
Lactuca sativa L. · Lettuce
Domaine Public (FR)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Gerard Balder
Beta vulgaris Sugar Beet Group · Sugar beet
SESVanderhave NV
Solanum lycopersicum L. · Tomato
Nunhems B.V.
Poa pratensis L. · Kentucky bluegrass
Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy
Solanum lycopersicum L. · Tomato
SEMILLAS FITO, S.A.
Cucumis sativus L. · Cucumber
Vovk Zhanna Mykolaivna
Vitis L. · Grapevine
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Lemoine
Vitis vinifera L. · Common grape vine
INCONNU (FR)
x Triticosecale Wittm. ex A. Camus · Triticale
AGRI OBTENTIONS / INRAE (institut National de recherche pour l'agriculture, l'alimentation et l'environment)
Apium graveolens L. · Celery
HILD SAMEN| Hild Samen GmbH
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Allium cepa L. · Onion
Reinout de Heer
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Vaccinium corymbosum L. · Highbush blueberry
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Festuca rubra L. · Red fescue
BLUE MOON FARMS