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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.

Efrat 70

Terminated

Solanum lycopersicum L. · Tomato

RO
1 record

Breslava

Active

Vitis vinifera L. · Common grape vine

SK
2 records

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

Dachnytsia

Application submitted

Cucumis melo L. · Melon

UA
1 record

Chessma F1

Application submitted

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

UA
1 record

Festuca ovina L. · Sheep's fescue

CZ
1 record

Charli F1

Terminated

Cucurbita pepo L. · Field pumpkin

UA
1 record

EF486

Protection expired

Lolium multiflorum Lam. · Italian ryegrass

IE
1 record

Boskoop

Active

Actinidia deliciosa (A. Chev.) C. F. Liang & A. R. Ferguson · Kiwifruit

NL
1 record

Dolomita

Active

Allium cepa L. · Onion

HU
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
12 records

Boris Becker

Protection expired

Chrysanthemum L. · Chrysanthemum

NL
1 record

Dunajska bela

Protection expired

Brassica oleracea L. (Kohlrabi Group) · Kohlrabi

De Corato Sementi (IT)

SI
1 record

Dulcymini

Application submitted

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

HU
1 record

Bombay Yellow

Terminated

Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb

NL
1 record

Diti

Active

Vitis L. · Grapevine

CZ
2 records

Dita

Protection expired

Triticum aestivum L. subsp. aestivum · Bread wheat

CZ
2 records

Difference

Protection expired

Lilium L. · Lily

NL
1 record

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