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.
Capsicum annuum L. · Bell pepper
Seminis Vegetable Seeds
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Bejo Zaden B.V.
Lolium perenne L. · Perennial ryegrass
Zwaan&De Wiljes' Zaadt en Zaadh B.V.
Lolium perenne L. · Perennial ryegrass
Euro Grass Breeding GmbH Co. KG
Cucurbita pepo L. · Field pumpkin
Domaine Public (FR)
Lolium perenne L. · Perennial ryegrass
DLF Seeds A/S
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Capsicum annuum L. · Bell pepper
Tyshkovs`kyi Volodymyr Mykhailovych, Liubosh Srbek, Yan Oliva,
Vicia sativa L. · Common vetch
Carneau Freres SA (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta Seeds B.V. (NL)
Triticum aestivum L. · Bread wheat
SELGEN A.S
Cucumis melo L. · Melon
Domaine Public (FR)
Brassica oleracea L. (White Cabbage Group) · White cabbage
RIJK ZWAAN SAMENCHUHT UND SAMENHANOLLUNG GmbH, DE
Koeleria macrantha (Ledeb.) Schult. · June grass
Barenbrug USA
Allium cepa L. var. cepa · Onion
Syngenta Seeds B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
VEGETABLE MONSANTO B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
MORAVOSEED
Poa pratensis L. · Kentucky bluegrass
Barenbrug Holland BV (NL)
Cucumis melo L. · Melon
Sakata Vegetables Europe, F
Lolium perenne L. · Perennial ryegrass
Limagrain Genetics Grandes Cultures SA (FR)
Festuca rubra L. · Red fescue
MOMMERSTEEG INTERNATIONAL| Mommersteeg International B.V.
Festuca arundinacea Schreb. · Tall fescue
Theodorus P.M. op den Kamp
Poa pratensis L. · Kentucky bluegrass
DLF Trifolium A-S, DK
Festuca arundinacea Schreb. · Tall fescue
PURE SEED TESTING