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.
Daucus carota L. · Carrot
Saat:gut e.V (DE)
Cucumis melo L. · Melon
De Ruiter Zonen (HR)
Solanum lycopersicum L. · Tomato
ReinSaat KG
Cucumis melo L. · Melon
NUNHEMS ZADEN
Pisum sativum L. · Pea
Graines Gautier SA (FR)
Capsicum annuum L. · Bell pepper
PETOSEED CO
Cucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Raphanus sativus L. var. sativus · Radish
Hodowla Roslin Snowidza Sp.z.o.o
Zea mays L. · Maize
MOMMERSTEEG INTERNATIONAL
Zea mays L. · Maize
BC INSTITUT D.D. ZAGREB
Cucumis melo L. · Melon
INTERSEMILLAS SAU
Brassica oleracea L. (White Cabbage Group) · White cabbage
MORAVOSEED CZ A.S.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Kyounggu Ahn
Agrostis stolonifera L. · Creeping bentgrass
BARENBRUG H.J.M.| H.J.M. Barenbrug
Solanum lycopersicum L. · Tomato
ROYAL SLUIS
Cichorium endivia L. · Endive
Royal Sluis (NL)
Raphanus sativus L. var. sativus · Radish
Syngenta Crop Protection AG
Solanum lycopersicum L. · Tomato
ESASEM S.p.A. (IT)
Solanum lycopersicum L. · Tomato
ReinSaat KG
Secale cereale L. · Rye
Lammers Seed Options B.V.
Solanum tuberosum L. · Potato
Potato Breeding & Consultancy (PBC)
Lolium perenne L. · Perennial ryegrass
RAGT 2n, FR
Vitis riparia Michx. x Vitis cinerea Engelm.
Forschungsanstalt Geisenheim
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Domaine Public (FR)