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.

Opolanka SNO

Application submitted

Raphanus sativus L. var. sativus · Radish

1 record

Modravina

Application submitted

Vitis L. · Grapevine

1 record

Mme Emile Mouillère

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Mouillère E.

1 record

Miyama-Yae-Murasaki

Active

Hydrangea serrata (Thunb.) Ser. var. serrata · Tea-of-heaven

No information of breeder available for this variety

1 record

Miss Belgium

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Draps-Dom

1 record

Niedriger gruener krauser

Withdrawn

Brassica oleracea L. (Curly kale Group) · Curly kale

1 record

Leuchtfeuer

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Nova

Terminated

Cucumis melo L. · Melon

1 record

Liana

Active

Prunus persica (L.) Batsch var. nucipersica (Suckow) C. K. Schneid. · Nectarine

1 record

Lets Dance

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Wood T.

2 records

Nizza

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Nikita

Protection expired

Nerine bowdenii W. Watson · Corn lily

1 record

Lecanu F1

Withdrawn

Brassica oleracea L. (Cauliflower Group) · Cauliflower

1 record

NEGRAMOLL

Application submitted

Vitis vinifera L. · Common grape vine

1 record

Lanarth White

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Lanarth (Cornwall)

1 record

MERCADO DE COPENHAGUE 3

Terminated

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

1 record

Mariesii Grandiflora

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Muskat hamburhs`kyi

Active

Vitis vinifera L. · Common grape vine

1 record

Mrs W. J. Hepburn

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Mareile

Active

Solanum lycopersicum L. · Tomato

1 record

Kumiko

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Sakamoto S.

1 record

MALVASIA ROSADA

Application submitted

Vitis vinifera L. · Common grape vine

1 record

KRISTINE

Terminated

Rhododendron L. · Azalea

1 record

Krak F1

Application submitted

Cucumis sativus L. · Cucumber

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.