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.

Sunny Stripe

Protection expired

Leucocoryne Lindl. · Glory of the Sun

1 record

Sunchocola

Application submitted

hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner

1 record

Sumida-no-Hanabi

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Yamamoto Takeomi

1 record

Strawberry and cream

Active

Lilium L. · Lily

1 record

Stourton Lace

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Selena

Active

Prunus armeniaca L. · Apricot

1 record

Ste Claire

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Striato d´Italia

Protection expired

Cucurbita pepo L. · Field pumpkin

Franchi Sementi (IT)

1 record

Sauvignon vert

Active

Vitis L. · Grapevine

1 record

Raco

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Ramst

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Sophie

Active

Lilium L. · Lily

1 record

Soplisa F1

Application submitted

Cucumis sativus L. · Cucumber

2 records

Rossa di Toscana

Active

Allium cepa L. · Onion

1 record

Racer

Terminated

Cucumis melo L. · Melon

1 record

Profesor Scholz

Terminated

Rhododendron L. · Azalea

1 record

Snowball A

Protection expired

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Rijk Zwaan (NL)

1 record

RONDE RODE BROEI

Terminated

Raphanus sativus L. var. sativus · Radish

Bejo Zaden BV (NL)

1 record

Prinzess Beatrix

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

1 record

Snowflake

Active

Hydrangea quercifolia W. Bartram · Oakleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Aldrige Nursery

1 record

Pures konservu

Active

Solanum lycopersicum L. · Tomato

1 record

Pulsar

Active

Sinapis alba L. · White mustard

1 record

Rumina

Active

Malus domestica (Suckow) Borkh. · Apple

1 record

Snowball 123

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

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.