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
SEMO a.s
Solanum tuberosum L. · Potato
Zsolt Géza Polgár^^^Zsolt Vaszily^^^István Wolf^^^Aliz Bilinszki
Lolium perenne L. · Perennial ryegrass
SEMENCES DE FRANCE
Capsicum annuum L. · Bell pepper
Enza Zaden, NL
Lolium multiflorum Lam. · Italian ryegrass
Theodorus P.M. op den Kamp
Capsicum annuum L. · Bell pepper
Zoldsegtermesztesi Kutato Intezet, H
Festuca rubra L. · Red fescue
EURO GRASS Breeding GmbH & Co KG, DE
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lolium multiflorum Lam. · Italian ryegrass
J. JOORDENS' ZAADHANDEL
Lolium perenne L. · Perennial ryegrass
RAGT 2N S.A.S
Cucumis melo L. · Melon
Vilmorin SA (FR)
Raphanus sativus L. var. oleiformis Pers. · Oil radish
J. Joordens' Zaadhandel B.V.
Capsicum annuum L. · Bell pepper
SYNGENTA SEEDS B.V.
Festuca arundinacea Schreb. · Tall fescue
JACKLIN SEED by SIMPLOT (USA)
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
THOMAS M/AMADO Q./JOSPH I
Malus domestica (Suckow) Borkh. · Apple
Tupy Jaroslav
Trifolium hybridum L. · Alsike clover
Canadian FIA (CA)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta UK Ltd
Glycine max (L.) Merr. · Soybean
E.R.S.A. Friuli-Venezia Giulia
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Remi Levieil
Lolium perenne L. · Perennial ryegrass
Aberystwyth University (IBERS)
Capsicum annuum L. · Bell pepper
KAChAJNIK VLADIMIR GEORGIEVICh / NASTENKO NATAL'Ya VIKTOROVNA / AFONINA IRINA MAR'YaNOVNA
Pisum sativum L. · Pea
GSN Semences SAS (FR)
Festuca rubra L. · Red fescue
DLF Trifolium A-S, DK