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

Foreve & Ever

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Ryoji Irie

1 record

Idared

Terminated

Malus Mill. · Apple

1 record

Dorotea

Application submitted

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

1 record

Hardy vajkörte

Active

Pyrus communis L. · European pear

1 record

Active

Vitis vinifera L. · Common grape vine

1 record

Holstein

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Hippo

Withdrawn

Raphanus sativus L. var. oleiformis Pers. · Oil radish

1 record

Grenada Ożarowska

Active

Lactuca sativa L. · Lettuce

1 record

HICAZ

Active

Punica granatum L. · Pomegranate

1 record

DRM 3241

Active

Cucumis melo L. · Melon

1 record

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Cultivation

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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.