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.
Cucumis sativus L. · Cucumber
Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,
Vitis vinifera L. · Common grape vine
GARGIULO ANGELO
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
CORA SEEDS S.R.L
Solanum lycopersicum L. · Tomato
Panchev IUrii Ivanovych
Lilium L. · Lily
Mak Breeding Rights B.V.
Vaccinium macrocarpon Aiton · American cranberry
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Fritillaria imperialis L. · crown imperial
V.O.F. de Keizerskroon
Ribes uva-crispa L. · Gooseberry
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Solanum melongena L. · Eggplant
UNITED GENETICS SEEDS CO
Vitis vinifera L. · Common grape vine
Vassilis Mikos (GR)
Capsicum annuum L. · Bell pepper
Syngenta Seeds B.V.
Brassica oleracea L. convar. botrytis (L.) Alef. · Cauliflower
CLAUSE-TEZIER
Prunus armeniaca L. · Apricot
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Cucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Cucumis sativus L. · Cucumber
Lim Sang Hwa
Allium cepa L. · Onion
Karamert Metin
Lilium L. · Lily
Bisschoff Tulleken B.V.
Spinacia oleracea L. · Spinach
Pop Vriend Research B.V.
Vitis vinifera L. · Common grape vine
Tarakhtii Liudmyla Ivanivna, Meleshko Larysa Fedorivna, Yarmak IEvheniia Dmytrivna, Storozhuk Kateryna Moiseivna, Dylyk Antonina Petrivna, Dokuchaieva IEvheniia Mykolaivna, Chebanenko IEvheniia Pavlivna,
Allium cepa L. · Onion
SATIVA SOC. COOP. A R.L.
Avena strigosa Schreb. · Black oat
SEMILLAS BISCAYART S.A.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Liubosh Srbek, Tyshkovs`kyi Volodymyr Mykhailovych, Yan Oliva,
Solanum lycopersicum L. · Tomato
Shreeshal Hadapad
Vitis vinifera L. · Common grape vine
INCONNU (FR)