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.
Solanum lycopersicum L. · Tomato
Steven Schroeder
Festuca arundinacea Schreb. · Tall fescue
Euro Grass Breeding GmbH Co. KG
Capsicum annuum L. · Bell pepper
Syngenta Seeds, NL
Cucumis sativus L. · Cucumber
PNOS
Cichorium endivia L. · Endive
Henk Driessen
Lolium perenne L. · Perennial ryegrass
DLF-TRIFOLIUM A/S
Brassica oleracea L. (White Cabbage Group) · White cabbage
Syngenta Seeds B.V. (NL)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
XINGPING ZHANG
Vicia sativa L. · Common vetch
Veronigue Tramcourt
Cucumis sativus L. · Cucumber
MORAVOSEED
Solanum tuberosum L. · Potato
Lars Naested
Brassica oleracea L. (White Cabbage Group) · White cabbage
NICKERSON-ZWAAN B.V., NL
Capsicum annuum L. · Bell pepper
HAZERA GENETICS
Cucumis melo L. · Melon
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Rosa L. · Rose
MEILLAND ALAIN ANTOINE
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Syngenta Seeds B.V.
Agrostis capillaris L. · Common bent
W.W. Johnson & Son Ltd.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Prunus armeniaca L. · Apricot
Marie-Laure Etève-Lambertin, Marie-Josèphe Lambertin
Lolium perenne L. · Perennial ryegrass
SAATZUCHT STEINACH GMBH and CO KG
Festuca rubra L. · Red fescue
Euro Grass Breeding GmbH Co. KG
Rosa L. · Rose
Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes
Poa pratensis L. · Kentucky bluegrass
Norsk institutt for planteforsking
Lolium perenne L. · Perennial ryegrass
Deutsche Saatveredelung AG - DSV (DE)