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.
Trifolium L. · Clover
D'EUGENIO ASVERO / D'EUGENIO ITALO / D'EUGENIO RIVO
Tulipa L. · Tulip
Testcentrum voor Siergewassen B.V.
Festuca ovina L. · Sheep's fescue
PURE SEED TESTING
Cucumis melo L. · Melon
HAZERA SEEDS BV
Capsicum annuum L. · Bell pepper
Agri-Saaten
Cucumis sativus L. · Cucumber
Domaine Public (FR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Shevchenko Andrii Oleksiiovych
Cucumis sativus L. · Cucumber
Ger Bimsdeboer
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Cucurbita pepo L. · Field pumpkin
Archipiano Murielle
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Vitis L. · Grapevine
JKI - Julius Kuhn Institut (DE)/Institut National de la Recherche Agronomique (FR)
Festuca rubra L. · Red fescue
LEBANON TURF
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Anethum graveolens L. · Dill
SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.
Cucurbita pepo L. · Field pumpkin
Matthiev Nicolas
Daboecia cantabrica (Huds.) K. Koch · Connemara heather
Kurt Kramer (Heidezüchtung)
Chrysanthemum x morifolium Ramat. · Florist's daisy
Dekker Breeding B.V
Cucumis melo L. · Melon
Bayer Holland B.V. (NL)
Cucurbita pepo L. · Field pumpkin
Claude Robledo
x Amarine Sealy
Agro Fleur Select B.V./Bas van Keulen
Clematis L. · Clematis
Uno Kivistik, Aili Kivistik
Cucumis melo L. · Melon
Ersyn Hiunes
Castanea sativa Mill. · Sweet chestnut
JUNTA DE GALICIA (CIFA)