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.

Saladino

Terminated

Cucumis melo L. · Melon

De Ruiter Zonen (HR)

2 records

Sangennaro

Active

Solanum lycopersicum L. · Tomato

KWS VEGETABLES B.V.

2 records

S 338

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

MC.NAIR SEED CO.

2 records

Santy Yellow

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

3 records

Santorino Sixty

Terminated

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

Syngenta Seeds B.V.

4 records

Samuranja

Active

Capsicum annuum L. · Bell pepper

Samco Seeds and Chemicals

3 records

Saikó

Active

Cucumis sativus L. · Cucumber

ReinSaat KG

2 records

Sandin

Active

Solanum lycopersicum L. · Tomato

GOLDEN VALLEY SEED

2 records

Safi

Terminated

Capsicum annuum L. · Bell pepper

Clause Semences SA (FR)

2 records

Sanjit

Active

Apium graveolens L. var. dulce (Mill.) Pers. · Celery

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Sahel

Terminated

Cucurbita pepo L. · Field pumpkin

Griffaton S.A. (FR)

2 records

Sabrina

Protection expired

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Kwekerij Sidaco B.V.

2 records

Saitama

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

TOKITA Sementi Italia srl

2 records

Rübezahl

Active

Triticum aestivum L. · Bread wheat

SECOBRA RECHERCHES S.A.S

3 records

Safari

Terminated

Cucumis sativus L. · Cucumber

Seminis Vegetable Seeds

2 records

Sagittaria

Active

Prunus persica (L.) Batsch · Peach

ORESTE INSERO

3 records

Rubichic

Application submitted

Prunus armeniaca L. · Apricot

Newcot SAS (FR)

2 records

Rozestar

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation, JP

2 records

Ruby Density

Active

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

UNITED GENETICS SEEDS CO

2 records

Santon

Terminated

Cucumis melo L. · Melon

Clause Semences SA (FR)

2 records

Rosa

Terminated

Allium cepa L. var. cepa · Onion

SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.

2 records

Rubinstar

Active

Malus Mill. · Apple

Lichtenauer, Joachim|D-6901 Gaiberg, Federal Republic of Germany

2 records

Royal Fantasy

Active

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

Known You Seed Co

3 records

Rouge d'Alger

Active

Cynara cardunculus L. · Cardoon

Domaine Public (FR)

2 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.