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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.

Yanny

Withdrawn

Solanum lycopersicum L. · Tomato

CZ
1 record

Sunrise

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

NL
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

No information of breeder available for this variety

FR
1 record

Valentino

Protection expired

Alstroemeria L. · Alstroemeria

NL
1 record

Freesia Eckl. ex Klatt · Freesia

NL
1 record

Lilium longiflorum Thunb. · Easter lily

NL
1 record

Vodohrai F1

Application submitted

Cucumis sativus L. · Cucumber

UA
1 record

Ubac

Active

Olea europaea L. · Olive

FR
1 record

Stepova

Terminated

Lonicera L. · Honeysuckle

UA
1 record

Vinson F1

Application submitted

Brassica oleracea L. (Cauliflower Group) · Cauliflower

UA
1 record

Vrancean

Active

Prunus cerasus L. · Sour cherry

RO
1 record

SPULGA

Terminated

Vitis vinifera L. · Common grape vine

LV
1 record

Tricolor

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

TRES EN RAMA

Application submitted

Malus domestica (Suckow) Borkh. · Apple

ES
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Cayeux H.

FR
1 record

Vira

Application submitted

Solanum tuberosum L. · Potato

UA
1 record

Tigrotto

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Verde de Carentan

Protection expired

Allium porrum L. · Leek

Semenarna Ljubljana, SI

SI
1 record

Talgo/Talho

Terminated

Lolium perenne L. · Perennial ryegrass

UA
1 record

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