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.
Malus domestica (Suckow) Borkh. · Apple
SNC Elaris (FR)/Davodeau Ligonniere Sarl (FR)
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
TAKII JAPAN and CO. 180 UMEKOJI
Prunus armeniaca L. · Apricot
Pepinieres & Vergers Escande EARL (FR)
Cucumis melo L. · Melon
Plan Societe de Production Grainiere (FR)/Les Graines Caillard Sa (FR)
Prunus persica (L.) Batsch · Peach
Maillard Arsene|Elne, FR / Maillard Laurence|Elne, FR
Festuca arundinacea Schreb. · Tall fescue
PURE SEED TESTING
Cucumis melo L. · Melon
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.
Festuca pratensis Huds. · Meadow fescue
ROBERTO GUARNIERI
Capsicum annuum L. · Bell pepper
Syngenta Crop Protection AG
Solanum lycopersicum L. · Tomato
Cora Seeds SRL, I
Brassica napus var. napus · Rapeseed
Verneuil Recherche SA (FR)
Cucumis sativus L. · Cucumber
J.E. OHLSENS ENKE A/S
Trifolium incarnatum L. · Crimson clover
Cascade International Seed Company
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Mallet, Corinne
Brassica oleracea L. (Cauliflower Group) · Cauliflower
A L TOZER LTD
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Sakata Vegetables Europe S.A.S
Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt
Getreidezüchtung Peter Kunz Deutschland gGmbH
Poa pratensis L. · Kentucky bluegrass
Euro Grass Breeding GmbH Co. KG
Lactuca sativa L. · Lettuce
BEJO ZADEN
Festuca rubra L. · Red fescue
Oseva Uni a.s., CZ
Agrostis capillaris L. · Common bent
Lietuvos agrarinių ir miškų mokslų centras
Lolium perenne L. · Perennial ryegrass
IGER Institute of Grassland & Environmental Research (GB)
Capsicum annuum L. · Bell pepper
Elkind, Yonathan
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Clause (FR)