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.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
HM Clause, F
Poa pratensis L. · Kentucky bluegrass
Simplot dba Jacklin Seed (USA)
Malus domestica (Suckow) Borkh. · Apple
Institute of Experimental Botany AS CR, Czech Republic
Lolium multiflorum Lam. · Italian ryegrass
JOORDENS' ZAADHANDEL| J. Joordens' Zaadhandel B.V.
Solanum melongena L. · Eggplant
Hazera Genetics, Izrael
Cucumis sativus L. · Cucumber
Ger Beemsterboer
Brassica oleracea L. (Cauliflower Group) · Cauliflower
SYNGENTA SEEDS B.V.
Cucurbita pepo L. · Field pumpkin
Syngenta Seeds, NL
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta Seeds B.V.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Ryoji Irie
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Ryoji Irie
Malus domestica (Suckow) Borkh. · Apple
Regal Fruit International LLC
Festuca arundinacea Schreb. · Tall fescue
DLF-TRIFOLIUM DANSK PLANTEFORAEDLING
Prunus persica (L.) Batsch · Peach
Arsene Maillard Laurence Maillard
Lolium perenne L. · Perennial ryegrass
Pickseed USA, Inc. & Rutgers, The State University of New Jersey
Malus domestica (Suckow) Borkh. · Apple
Frederico Denardi, Marcus Vinicius Kvitsschal, Maraisa Crestani Hawerroth, Brasil
Lolium perenne L. · Perennial ryegrass
ELISABETTA LENZI
Lolium multiflorum Lam. · Italian ryegrass
DLF-TRIFOLIUM DANSK PLANTEFORAEDLING
Prunus persica (L.) Batsch · Peach
PLANTAS DE NAVARRA, S.A.(PLANASA)
Trifolium repens L. · White clover
DLF Seeds A/S
Prunus armeniaca L. · Apricot
Stephen Southwick & David Decalo
Prunus armeniaca L. · Apricot
PSB produccion vegetal S.L. (ES)
Festuca arundinacea Schreb. · Tall fescue
Lebanon Seaboard Corporation (US)
Brassica oleracea L. (Kale Group) · Kale
Sharpes International Ltd, Lincs, NG 34 7HA