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. (White Cabbage Group) · White cabbage
Saatzucht Quedlinburg-DE
Fagopyrum esculentum Moench · Buckwheat
P.H. Petersen Saatzucht Lundsgaard GmbH, Grudhof DE
Forsythia Vahl · Forsythia
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Solanum lycopersicum L. · Tomato
Syngenta Seeds B.V.
Daucus carota L. · Carrot
Agri-Saaten
Zea mays L. · Maize
SAATBAU LINZ EGEN
Vitis vinifera L. · Common grape vine
The Regents of the University of California (US)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Royal Sluis BV (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International, Inc. (US)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
ASGROW SEED CO
Brassica oleracea L. (White Cabbage Group) · White cabbage
Seminis Vegetable Seeds
Brassica oleracea L. (White Cabbage Group) · White cabbage
Pierre Hurier
Cucurbita pepo L. · Field pumpkin
NONGWOO BIO CO.LTD
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Dactylis glomerata L. · Cocksfoot
Agroscope Reckenholz
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Ger Beemsterboer
Prunus persica (L.) Batsch · Peach
ZAIGER'S INC. GENETICS
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
VAN DER PLOEG SJAAK
Brassica oleracea L. (White Cabbage Group) · White cabbage
Ger Beemsterboer
Prunus persica (L.) Batsch · Peach
Stat Exp of Vineland (CA)
Alopecurus pratensis L. · Meadow foxtail
TAGRO Červený Dvůr, spol. s r.o. (CZ)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Hazera Seeds B.V.
Allium porrum L. · Leek
Petr Klapste