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.
Clematis viticella L. · Italian leather flower
Uno Kivistik, Aili Kivistik
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Jin Huan
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Royce S Bringhurst et Victor Voth (US)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Eike Kampe, Lipskyi Volodymyr Volodymyrovych,
Solanum lycopersicum L. · Tomato
Ger Bimsdeboer
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Bayer Holland B.V. (NL)
Cucumis melo L. · Melon
HM Clause SAS (FR)
Bromus inermis Leyss. · Smooth brome
TAGRO Červený Dvůr, spol. s r.o. (CZ)
Lilium L. · Lily
Mak Breeding Rights B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Her Bimsdeboer
Lolium x hybridum Hausskn. · Hybrid ryegrass
SEED RESEARCH OF OREGON
Allium cepa L. var. cepa · Onion
Domaine Public (FR)
Rubus idaeus L. · Red raspberry
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Hordeum vulgare L. · Barley
Dem"ianenko Alla Ivanivna, Vasylenko Nadiia Vasylivna, Morhun Volodymyr Vasylovych, Shubenko Nadiia Petrivna,
Cucumis sativus L. · Cucumber
Petr Klapshte, Petr Horal, Yirzhi Horal,
Raphanus sativus L. var. oleiformis Pers. · Oil radish
LAMMERS P.
Lilium L. · Lily
W. van Lierop & Zonen B.V.
Prunus persica (L.) Batsch · Peach
Latsko Tetiana Anatoliivna, Smykov Volodymyr Karpovych, Smykov Anatolii Volodymyrovych, Perfil`ieva Zoia Mykolaivna,
Rubus L. subg. Rubus · Blackberry
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Solanum lycopersicum L. · Tomato
Produkcja i Hodowla Roslin Ogrodniczych Krzeszowice sp. z o.o.
Lilium L. · Lily
G.A. Verdegaal en Zn. Export B.V.
Rosa L. · Rose
Mathias Tantau (DE)