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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

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.

Tahat

Withdrawn

Capsicum annuum L. · Bell pepper

NL
1 record

Hydrangea aspera Buch.-Ham. ex D. Don · Rough-leaved hydrangea

Information regarding the breeder received in the contribution to CPVO :Wynn-Jones B. & S.

FR
1 record

Tenacious

Application submitted

Festuca trachyphylla (Hack.) Hack. · Hard fescue

CZ
1 record

Vårråg

Withdrawn

Secale cereale L. · Rye

SE
1 record

Seminole Sweet

Application submitted

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

SE
1 record

Vera

Application submitted

Vitis L. · Grapevine

HU
1 record

Sybille

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

Hydrangea quercifolia W. Bartram · Oakleaf hydrangea

No information of breeder available for this variety

FR
1 record

Siesta

Active

Tulipa L. · Tulip

NL
1 record

Sibilla

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

Shower

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

Super ekstra F1

Application submitted

Brassica oleracea L. (White Cabbage Group) · White cabbage

UA
2 records

Superdukat

Terminated

Anethum graveolens L. · Dill

SE
1 record

Sharona

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Van der Spek

FR
1 record

Taiwan

Active

Hydrangea aspera Buch.-Ham. ex D. Don · Rough-leaved hydrangea

Information regarding the breeder received in the contribution to CPVO :Mason M.

FR
1 record

Trophée

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

Urandi

Active

Lilium L. · Lily

NL
1 record

Vitis vinifera L. · Common grape vine

BG
1 record

Tytus F1

Active

Cucumis sativus L. · Cucumber

UA
1 record

TRES EN CUNCA

Application submitted

Malus domestica (Suckow) Borkh. · Apple

ES
1 record

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