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.
Prunus persica (L.) Batsch · Peach
Norman Glen Bradford (US)/Lowell Glen Bradford (US)
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
TAKII & CO LTD
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Shiobara Shigeo
Festuca pratensis Huds. · Meadow fescue
Alicja Ramenda
Cucumis melo L. · Melon
Tsastro Khuan
Brassica oleracea L. (Cauliflower Group) · Cauliflower
BEJO ZADEN
Cucumis sativus L. · Cucumber
HM Clause SA (FR)
Prunus persica (L.) Batsch · Peach
Agro Selections Fruits S.A.S.
Solanum melongena L. · Eggplant
KLIMENKO NIKOLAJ NIKOLAEVICh / KOSTENKO ALEKSANDR NIKOLAEVICh / MAKSIMOV SERGEJ VASIL'EVICh / SERGEEV VLADIMIR VALER'EVICh
Lolium multiflorum Lam. · Italian ryegrass
PHP PETERSEN
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Cucumis melo L. · Melon
Gautier Semences SAS (FR)
Forsythia Vahl · Forsythia
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Cucumis melo L. · Melon
Ralf Kuijpers
Capsicum annuum L. · Bell pepper
RAMIRO ARNEDO, S.A.
Lolium perenne L. · Perennial ryegrass
DLF USA, Inc. and Rutgers, The State University of New Jersey
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Organisation Bretonne de Selection-OBS (FR)/Institut National de la Recherche Agronomique (FR)/Cerafel (FR)
Avena strigosa Schreb. · Black oat
PANAM FRANCE SARL, FR
Prunus persica (L.) Batsch · Peach
Laurence Maillard, Arsene Maillard
Prunus persica (L.) Batsch · Peach
Bouchet Christophe
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta Crop Protection AG
Prunus persica (L.) Batsch · Peach
Maillard Arsene / Maillard Laurence
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta Crop Protection AG - Zsolt Galli
Cucumis melo L. · Melon
Bio-Obtention (FR)