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.
Cichorium endivia L. · Endive
Service Officiel de Controle (FR)
Vicia sativa L. · Common vetch
Saatzucht Dr.h.c. Hans Hege GbRmbH
Solanum tuberosum L. · Potato
Station de Recherche du Comité Nord G.I.E.
Phaseolus vulgaris L. · Common bean
Sementi Dotto (IT)
Solanum lycopersicum L. · Tomato
ReinSaat KG
Zea mays L. · Maize
CAUSSADE SEMENCES
Lactuca sativa L. · Lettuce
Sativa coop (IT)
Lolium perenne L. · Perennial ryegrass
Carneau Freres SA (FR)
Festuca trachyphylla (Hack.) Hack. · Hard fescue
Barenbrug Holland BV (NL)
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Zoher Karinjee
Cucurbita maxima Duchesne · Giant pumpkin
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Zea mays L. · Maize
KWS SAAT SE and CO KGAA
Malus domestica (Suckow) Borkh. · Apple
Ústav experimentální botaniky AV ČR, v.v.i. (CZ)
Solanum melongena L. · Eggplant
Shreeshal Hadapad
Solanum lycopersicum L. · Tomato
DE RUITER SEEDS
Solanum lycopersicum L. · Tomato
Enza Zaden Beheer B.V.
Prunus persica (L.) Batsch · Peach
Frederic W. Anderson (US)
Malus Mill. · Apple
SVERIGES LANTBRUKSUNIVERSITÄTET
Brassica juncea (L.) Czern. · Brown mustard
Association Moutarde De Bourgogne (FR)/AGROSUP DIJON (FR)
Cucumis melo L. · Melon
Ralf Kuijpers
Brassica oleracea L. (White Cabbage Group) · White cabbage
Saatzucht Quedlinburg-DE
Prunus domestica L. · European plum
SVERIGES LANTBRUKSUNIVERSITÄTET
Phaseolus vulgaris L. · Common bean
GRAINES GAUTIER, S.A.
Solanum lycopersicum L. · Tomato
Sakata Vegetables Europe SARL (FR)