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.

Royal Gem

Active

Prunus persica (L.) Batsch · Peach

6 records

Resolution

Active

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

A L TOZER LTD

3 records

Ribol

Active

Vitis vinifera L. · Common grape vine

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

4 records

Replay

Active

Lolium perenne L. · Perennial ryegrass

J.R. Simplot Company - a Nevada - USA Corporation

4 records

Romeria

Active

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

United Genetics, I

4 records

Renegade

Protection expired

Trifolium pratense L. · Red clover

INTERNATIONAL SEEDS INC

3 records

Resista

Active

Vicia villosa Roth · Hairy vetch

FUTURIA IMPORT EXPORT SRL

3 records

Red Peak

Active

Festuca rubra L. · Red fescue

PURE SEED TESTING

3 records

Redoutable

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HM.CLAUSE

3 records

Red Mountain

Active

Capsicum annuum L. · Bell pepper

Bayer Holland B.V.

5 records

Redbone

Active

Brassica carinata A. Braun · Ethiopian mustard

LAMMERS SEED OPTIONS

3 records

Red machine

Active

Solanum lycopersicum L. · Tomato

Vilmorin, F

4 records

Red Knight

Active

Capsicum annuum L. · Bell pepper

Seminis Vegetable Seeds

4 records

Rebekka PR

Active

Pisum sativum L. · Pea

APP Agroresursu un ekonomikas institūts

4 records

Red Beef

Active

Solanum lycopersicum L. · Tomato

Superior, Velika Plana

3 records

Raquel

Active

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

HM.CLAUSE

3 records

Rapanui

Active

Spinacia oleracea L. · Spinach

MONSANTO VEGETABLE IP MANAGEMENT B.V.

5 records

Red Tatin

Active

Capsicum annuum L. · Bell pepper

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

4 records

Rapido

Active

Lolium multiflorum Lam. · Italian ryegrass

ROBERTO GUARNIERI

3 records

Raleigh

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Seeds B.V.

3 records

Ramars

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

3 records

Reportage KWS

Active

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

Andreas Gertz

5 records

Red Beauty

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :HBA B.V.

3 records

Quipus

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

8 records

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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.