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.
Poa pratensis L. · Kentucky bluegrass
DLF Seeds A-S, DK
Secale cereale L. · Rye
Joost Baert c/o ILVO - Plant-Toegepaste Genetica en Veredeling
Lolium perenne L. · Perennial ryegrass
Hrtsehorts Dabrovski
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Helianthus annuus L. · Sunflower
ZOLOTAREV KONSTANTIN MITROFANOVICh / YaKOVENKO ANATOLIJ ALEKSANDROVICh
Pisum sativum L. · Pea
Werner Horn
Vicia villosa Roth · Hairy vetch
KRF GYOENGYOES FLEISCHMANN
Cucurbita pepo L. · Field pumpkin
Syngenta Seeds B.V.
Cucumis sativus L. · Cucumber
Südwestdeutsche Saatzucht GmbH & Co. KG Herrn Dr. Josef Gottwald
Festuca rubra L. · Red fescue
DLF Trifolium A-S, DK
Lolium perenne L. · Perennial ryegrass
Innoseeds B.V. (NL)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
VEGETABLE MONSANTO B.V.
Festuca rubra L. · Red fescue
Hrtsehorts Dabrovski
Rubus idaeus L. · Red raspberry
Reto Neuweiler
Sinapis alba L. · White mustard
RAGT 2n
Pelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium
UTECHT| Angelika Utecht in Fa. Syngenta Seeds GmbH -Niederlassung-
Festuca rubra L. · Red fescue
DLF Trifolium A-S, DK
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
NUNHEMS
Prunus salicina Lindl. · Japanese plum
Station de Fresno (US)
Sinapis alba L. · White mustard
PHP PETERSEN
Lactuca sativa L. · Lettuce
Steven Mitchell, Daniel Trimboli, Enza Zaden Australia Pty Ltd
Lolium perenne L. · Perennial ryegrass
DLF Seeds A-S, DK
Festuca arundinacea Schreb. · Tall fescue
Seed Research of Oregon (USA)
Lolium perenne L. · Perennial ryegrass
INNOSEEDS| Innoseeds B.V.