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.

Catanga

Active

Lolium perenne L. · Perennial ryegrass

Semences De France (FR)

4 records

Brabham

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

4 records

Cali

Active

Vicia sativa L. · Common vetch

Semences De France (FR)

4 records

Bouchard

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

3 records

Cakeseptember

Active

Prunus persica (L.) Batsch · Peach

Laurence Maillard, Arsene Maillard

4 records

Bravo

Active

Brassica oleracea L. (Cabbage Group) · Cabbage

SAS HM Clause (FR)

3 records

Braecest

Active

Malus domestica (Suckow) Borkh. · Apple

EARL des Sources (FR)

6 records

Carvallo

Active

Lolium perenne L. · Perennial ryegrass

Carneau Freres SA (FR)

3 records

Brunel

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

GROEN SIMON

3 records

Carmania

Terminated

Festuca rubra L. · Red fescue

Carneau Freres SA (FR)

3 records

Cakequeen

Active

Prunus persica (L.) Batsch · Peach

Maillard Laurence / Maillard Arsene

5 records

Camilla

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

3 records

Calimbo

Active

Cucumis sativus L. · Cucumber

Majstro Seeds B.V.

4 records

Bostana

Active

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

XINGPING ZHANG

3 records

Calypso

Active

Lolium perenne L. · Perennial ryegrass

The O.M.Scott and Sons Company

3 records

Calibello

Active

Capsicum annuum L. · Bell pepper

Sakata Vegetables Europe SARL (FR)

3 records

Brumana

Terminated

Festuca rubra L. · Red fescue

DLF SEEDS A/S

3 records

Caledonian Rose

Active

Solanum tuberosum L. · Potato

Old Fargie Potato Breeding Company

5 records

Bolt

Active

Poa pratensis L. · Kentucky bluegrass

Peak Plant Genetics, LLC & Rutgers, The State University of New Jersey

3 records

Brimos

Active

Cucumis melo L. · Melon

SEMILLAS FITO, S.A.

3 records

Bloger

Protection expired

Geranium L. · Crane's Bill

Blooms of Bressingham Ltd

3 records

Blodagio

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

6 records

Benji

Active

Festuca rubra L. · Red fescue

DLF SEEDS A/S

3 records

Brigitta

Active

Vaccinium corymbosum L. · Highbush blueberry

Szkola Glowna Gospodarstwa Wiejskiego

6 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.