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
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
ROYAL SEEDS S.R.L.
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Solanum melongena L. · Eggplant
RAMIRO ARNEDO, S.A.
Cucurbita pepo L. · Field pumpkin
Seminis Vegetable Seeds France (FR)
Solanum melongena L. · Eggplant
RAMIRO ARNEDO, S.A.
Malus domestica (Suckow) Borkh. · Apple
Rudolfs Dumbravs
Capsicum annuum L. · Bell pepper
Nunhems B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
MERIDIEM SEEDS S.L.
Prunus persica (L.) Batsch · Peach
AC FRUIT (FR)
Raphanus sativus L. var. niger (Mill.) S. Kerner · Black radish
Domaine Public (FR)
Cucurbita pepo L. · Field pumpkin
Tezier SA (FR)
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
MERIDIEM SEEDS S.L.
Solanum lycopersicum L. · Tomato
Maia Raudseping 80%, Valve Jaagus 20%
Prunus armeniaca L. · Apricot
S.A.R.L. Benoit Escande Editions (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Gautier Semences SAS (FR)
Capsicum annuum L. · Bell pepper
Prosem (FR)
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Hort Seed Mediterrani S.L
Cucumis melo L. · Melon
RAMIRO ARNEDO, S.A.
Brassica oleracea L. (Collard Group) · Collard greens
Limagrain UK
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE N.V./S.A.
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Vicia faba L. var. major Harz · Broad bean
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O