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.

Lochbuie

Active

Malus domestica (Suckow) Borkh. · Apple

William Turner (NZ)

2 records

Lifago

Active

Fagopyrum tataricum (L.) Gaertn. · Tartary buckwheat

Dr. Ernst Lütke Entrup / Ing. agr. Günter Michelmann

2 records

Liboga

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

4 records

Magnetar

Active

Cucumis sativus L. · Cucumber

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

3 records

Magical Emerald

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

2 records

MANTECOSA_HARDY

Active

Pyrus communis L. · European pear

2 records

Lipno

Active

Malus domestica (Suckow) Borkh. · Apple

Ústav experimentální botaniky AV ČR, v.v.i. (CZ)

8 records

Madagascar

Active

Capsicum annuum L. · Bell pepper

SEMILLAS FITO, S.A.

2 records

Lion King

Active

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

Dr Eyal Vardi

2 records

Machos

Active

Cucumis sativus L. · Cucumber

Zaklad Ogrodniczy Przyborow sp. z o.o.

2 records

Leptis

Active

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

SAKATA SEED AMERICA INC US

2 records

Ligol Redspur

Active

Malus domestica (Suckow) Borkh. · Apple

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

4 records

Lighthouse

Active

Festuca rubra L. · Red fescue

JACKLIN SEED

2 records

Leopold

Active

Juglans regia L. · Persian walnut

Gospodarstwo Ogrodnicze, Szkółkarstwo Ludmiła Dudek-Wieczorek

4 records

Liberty

Active

Cucumis sativus L. · Cucumber

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

3 records

Lovanice

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

2 records

Madeira

Terminated

Solanum lycopersicum L. · Tomato

Vikima Seed A.S.

2 records

Loristo

Application submitted

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

Enza Zaden Beheer B.V.

3 records

Lucex

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bayer Holland B.V.

2 records

Lucero

Active

Cucurbita pepo L. · Field pumpkin

SEMILLAS FITO, S.A.

2 records

Lazuryt

Active

Cucumis sativus L. · Cucumber

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

3 records

Lotos

Active

Phaseolus vulgaris L. · Common bean

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

3 records

Livista

Active

Festuca rubra L. subsp. commutata Markgr.-Dann. · Chewings fescue

Schumann Cord, Busch Heinrich,

3 records

Laviva

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

4 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.