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.
Festuca rubra L. · Red fescue
BAUKLOH| Dr. Hans Baukloh in Fa. KWS SAAT AG
Pyrus communis L. · European pear
Sumio FUKUI (US)
Solanum lycopersicum L. · Tomato
Sakata Vegetables Europe, F
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Tokita Sementi Italia S.r.l. Italia
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Bayer Holland B.V.
Zea mays L. · Maize
CIBA GEIGY SPA- DIV. SEMENTI
Triticum aestivum L. · Bread wheat
RAGT CZECH S.R.O.
x Triticosecale Wittm. ex A. Camus · Triticale
SEMILLAS BATLLE, S.A.
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Secale cereale L. · Rye
LABOULET SEMENCES
Capsicum annuum L. · Bell pepper
Vilmorin-Mikado S.A.S.
Prunus persica (L.) Batsch · Peach
Maillard Laurence / Maillard Arsene
Cucumis melo L. · Melon
HM.Clause S.A.S.
Malus domestica (Suckow) Borkh. · Apple
Siegfried Perathoner
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Prunus armeniaca L. · Apricot
Cot International S.A.R.L.
Prunus domestica L. · European plum
Walter Hartmann c/o Universität Hohenheim
Lolium multiflorum Lam. · Italian ryegrass
PGG Wrightson Seeds
Festuca rubra L. · Red fescue
RUTGERS UNIVERSITY OF NEW JERSEY
Cucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Solanum lycopersicum L. · Tomato
Monsanto Vegetable, NL
Agrostis capillaris L. · Common bent
FRAUEN| Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / GAUE| Inge Gaue
Festuca arundinacea Schreb. · Tall fescue
JACKLIN SEED
Lactuca sativa L. · Lettuce
BEJO ZADEN