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.
Festuca arundinacea Schreb. · Tall fescue
E.F.BURLINGHAM SONS
Brassica oleracea L. (White Cabbage Group) · White cabbage
HM.CLAUSE
Brassica oleracea L. (Cauliflower Group) · Cauliflower
HM.CLAUSE
Hydrangea L. · Hydrangea
HORN HEINZ| Heinz Horn
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
HM Clause Inc (US)
Allium sativum L. · Garlic
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Sinapis alba L. · White mustard
ILVO-PLANT 39
Rosa L. · Rose
MEILLAND MARIE LUISE
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Cora Seeds SRL, I
Allium porrum L. · Leek
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
United Genetics, I
Trifolium resupinatum L. · Persian clover
TOTH| Elisabeth Toth / IZSAKI| Klara Izsaki / GERGELY| Julianna Gergely
Poa pratensis L. · Kentucky bluegrass
Weibull, Peder
Agrostis capillaris L. · Common bent
DLF Seeds, s.r.o., CZ
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
ZKI, H
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Syngenta Crop Protection AG
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
SEMO a.s
Zea mays L. · Maize
KWS SAAT SE and CO KGAA
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Vilmorin-Mikado
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucurbita pepo L. · Field pumpkin
TESSEDIK SAMUEL COLLEGE
Festuca rubra L. · Red fescue
DLF Seeds A/S
Solanum lycopersicum L. · Tomato
Paul Degreef