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.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
BLUMEN GROUP S.P.A
Hyacinthus · Hyacinth
"Bloembollenkwekerij J.S. Pennings ""De Bilt""
Lilium L. · Lily
World Breeding B.V
Brachypodium
IAS-CSIC (PILAR HERNANDEZ- JOSE A. GOMEZ)
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Moshe Zalsman
Capsicum annuum L. · Bell pepper
RAMIRO ARNEDO, S.A.
Cucumis melo L. · Melon
Moshe Zalsman
Capsicum annuum L. · Bell pepper
Manier Tohumculuk Ltd. sti.
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Vitis vinifera L. · Common grape vine
ARC Infruitec (ZA)
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
Advanta Seeds International (MU)
Vitis vinifera L. · Common grape vine
Bachynskyi Anatolii Leonidovych
Lilium L. · Lily
Van Zanten Flowerbulbs B.V
Brassica oleracea L. (White Cabbage Group) · White cabbage
Naumov Ruslan Olehovych, Krasniuk Viacheslav Anatoliiovych,
Cucurbita pepo L. · Field pumpkin
Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,
Cannabis sativa L. · Hemp
GHSC Trading B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
XINGPING ZHANG
Matthiola incana (L.) R. Br. · Hoary stock
Evanthia B.V.
Lavandula stoechas L. · French lavender
P.P.M. van der Salm Holding B.V., L. Koning Beheer B.V.
Aloe aculeata Pole-Evans
Eden Collection B.V.
Prunus armeniaca L. · Apricot
Agro Selections Fruits S.A.S.
Crassula swaziensis Schönland
Gartneriet Lundager/Ove Lundager
Calluna vulgaris (L.) Hull · Common heather
Edens Creations B.V.