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.
Vitis vinifera L. · Common grape vine
Prof. Dr. H. Becker
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Prunus persica (L.) Batsch · Peach
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Syngenta Crop Protection AG
Solanum lycopersicum L. · Tomato
HM.Clause S.A.S.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Seminis Vegetable Seeds
Raphanus sativus L. var. sativus · Radish
Syngenta Seeds B.V.
Prunus persica (L.) Batsch · Peach
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Monsanto Vegetable IP Management B.V.
Triticum aestivum L. · Bread wheat
PLANT BREEDING INTERNATIONAL CAMBRIDGE
Lactuca sativa L. · Lettuce
Seminis Vegetable Seeds
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. var. lycopersicum · Tomato
Wim SNIJDERS, NL
Cichorium endivia L. · Endive
Sgaravatti (IT)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Simon Groen
Allium sativum L. · Garlic
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Prunus persica (L.) Batsch · Peach
MORETTINI (IT)
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Saatzucht Bauer Gmbh (DE)/Birgid SCHLINDWEIN (DE)
Lactuca sativa L. · Lettuce
Jim Cervantes Flores
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Yasemin Yalim
Cucumis melo L. · Melon
NUNHEMS BIO OBTENTION
Solanum lycopersicum L. · Tomato
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Malus domestica (Suckow) Borkh. · Apple
Gospodarstwo Szkółkarskie Andrzej i Szymon Nowakowscy
Zea mays L. · Maize
ROBINSON SEEDS| JC Robinson Seeds Holding B.V.