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.
Trigonella foenum-graecum L. · Fenugreek
Dr. Jan Hofbauer
Sinapis alba L. · White mustard
VANDINTER SEMO B.V.
Capsicum annuum L. · Bell pepper
Enza Zaden, NL
Agrostis stolonifera L. · Creeping bentgrass
JACKLIN SEED BY SIMPLOT
Solanum lycopersicum L. · Tomato
Esasem Spa (IT)
Avena strigosa Schreb. · Black oat
Lammers Seed Options B.V.
Festuca rubra L. · Red fescue
Euro Grass Breeding GmbH Co. KG
Lolium multiflorum Lam. · Italian ryegrass
MHR SEEDS LIMITED
Brassica oleracea L. (White Cabbage Group) · White cabbage
Meinardus P.Boon
Capsicum annuum L. · Bell pepper
Mr. J.Rusko, HU
Agrostis capillaris L. · Common bent
Ceccato Sementi (IT)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
HM.CLAUSE
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
WJG & JG, Hofstede
Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium
UTECHT| Angelika Utecht in Fa. FLORA-NOVA Pflanzen GmbH.
Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
Piet Lammers
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Vilmorin SA (FR)
Triticum aestivum L. · Bread wheat
Cultivari Getreidezüchtungsforschung Darzau gGmbH
Poa pratensis L. · Kentucky bluegrass
TOP GREEN SAS
Malus domestica (Suckow) Borkh. · Apple
VAN WELL NURSERY (US)
Raphanus sativus L. var. oleiformis Pers. · Oil radish
VANDINTER SEMO B.V.
Helianthus annuus L. · Sunflower
RAGT SA (FR)
Malus domestica (Suckow) Borkh. · Apple
Wallace F. Gale y Gertrude Gale
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Syngenta Seeds B.V.
Avena strigosa Schreb. · Black oat
Jouffray-Drillaud SA (FR)