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.

Sirio

Active

Cucurbita pepo L. · Field pumpkin

CORA SEEDS S.R.L

2 records

Sibilla

Terminated

Allium cepa L. var. cepa · Onion

Panora s.p.a.

2 records

Shrike

Active

Spinacia oleracea L. · Spinach

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

3 records

Shooter

Active

Avena sativa L. · Oat

Oregro Seeds

2 records

Shani

Active

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

Sakata Seed Corporation, JP

2 records

Sienna

Active

Lolium perenne L. · Perennial ryegrass

DLF SEEDS A/S

2 records

Skyline

Active

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

ORIGENE SEEDS Ltd

2 records

SEMIL'ON

Active

Vitis L. · Grapevine

2 records

Scarlet

Active

Allium cepa L. var. cepa · Onion

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

3 records

Serengheti

Active

Solanum lycopersicum L. · Tomato

HM Clause Inc (US)

2 records

Serafin

Active

Cucumis melo L. · Melon

Syngenta Crop Protection AG

2 records

Secretariat II GLSR

Active

Lolium perenne L. · Perennial ryegrass

SE.FO.BI. SRL

2 records

Shakespeare 200

Active

Allium cepa L. var. cepa · Onion

ALLIUM SEEDS UK LTD

2 records

Scorpion

Active

Allium cepa L. var. cepa · Onion

CROOKHAM COMPANY

3 records

Sigal

Active

Cucumis melo L. · Melon

LA SEMIORTO SEMENTI SRL

2 records

Santanis

Terminated

Sanvitalia procumbens Lam. · Creeping zinnia

Syngenta Seeds B.V.

2 records

San Miguel

Active

Cucumis melo L. · Melon

Sakata Vegetables Europe SAS (FR)

2 records

Saxa 3

Active

Raphanus sativus L. · Radish

MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI - DIREZIONE GENERALE DELLE POLITICHE AGRICOLE ED AGROINDUSTRIALI NAZIONALI

2 records

Santoku

Terminated

Allium cepa L. var. cepa · Onion

HORTAG SEED CO.

2 records

Sawa

Active

Malus domestica (Suckow) Borkh. · Apple

Szkola Glowna Gospodarstwa Wiejskiego

4 records

SAUDRIL

Terminated

Rosa L. · Rose

Bernard SAUVAGEOT (FR)

2 records

Savarona

Active

Allium cepa L. · Onion

May Agro Seed Corp.(TR)

3 records

SAPHIRA

Terminated

Scaevola aemula R. Br. · Fairy fan-flower

Westhoff, Wilhelm

2 records

Salomon

Active

Cucumis melo L. · Melon

Syngenta Seeds BV (NL)

3 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.