Cultivation

Winter covering

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.

Sources10

Breakdown by crop

Found in these crops

Apple 613 Grapevine 393 Tomato 340 Peach 338 Melon 293 Cauliflower 270 Bell pepper 263 Perennial ryegrass 246 Rose 242 Cucumber 230 Watermelon 219 Bigleaf hydrangea 198

Varieties that feature this in their description

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.

Dark Ligol

Withdrawn

Malus domestica (Suckow) Borkh. · Apple

1 record

Gimenez

Application submitted

Capsicum annuum L. · Bell pepper

1 record

Dublet

Protection expired

Malus Mill. · Apple

2 records

Gigante dorato

Terminated

Apium graveolens L. · Celery

1 record

Conductor

Application submitted

Festuca rubra L. · Red fescue

1 record

Erfurti

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

1 record

Gerda Steiniger

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Steiniger

1 record

Cox narancs renet

Withdrawn

Malus domestica (Suckow) Borkh. · Apple

1 record

Garfield

Application submitted

Cucumis sativus L. · Cucumber

1 record

Chrysantha

Protection expired

Calendula officinalis L. · Pot marigold

1 record

Fertődi ezüstfehér

Active

Allium cepa L. · Onion

1 record

Frankovka modrá

Active

Vitis vinifera L. · Common grape vine

1 record

Freudenstein

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Preisig (Haller)

1 record

Fortados

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

1 record

Forever Pink

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

No information of breeder available for this variety

1 record

DEL SEN JAUME GRAN

Application submitted

Ficus carica L. · Common fig

1 record

Center FRC

Terminated

Festuca rubra L. · Red fescue

1 record

Foliis Purpurea

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Truffault A.

1 record

FLORETA

Application submitted

Phaseolus vulgaris L. · Common bean

1 record

Extra precoce a grano bianco

Active

Vicia faba L. · Broad bean

1 record

Christina

Active

Prunus avium (L.) L. · Sweet cherry

2 records

Chorus

Application submitted

Festuca rubra L. · Red fescue

1 record

Don Juan hybrid

Terminated

Cucumis melo L. · Melon

1 record

Esra

Terminated

Lilium L. · Lily

1 record

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Cultivation

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.