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.

Bermuda

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Wing Seed

4 records

Barspider

Active

Festuca arundinacea Schreb. · Tall fescue

BARENBRUG HOLLAND

4 records

Big League

Active

Lolium perenne L. · Perennial ryegrass

4 records

Baikal

Active

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

Syngenta Seeds, NL

5 records

Bacardi

Active

Lilium L. · Lily

Mak Breeding Rights B.V.

4 records

Ballyvoy

Active

Lolium perenne L. · Perennial ryegrass

Agri-food and Biosciences Institute (AFBI Belfast)

6 records

Artur Nick

Active

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

5 records

Bacchus

Active

Dactylis glomerata L. · Cocksfoot

6 records

Aristotle

Active

Capsicum annuum L. · Bell pepper

SVS HOLLAND BV , NL

4 records

ASFCOT0405

Active

Prunus armeniaca L. · Apricot

Maillard Arsene|Elne, FR / Maillard Laurence|Elne, FR

4 records

Arya

Active

Poa pratensis L. · Kentucky bluegrass

DLF SEEDS A/S

5 records

Baleron

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

5 records

Amoreiras

Active

Vicia villosa Roth · Hairy vetch

Instituto Nacional de Investigação Agrária (INIA) -Portugal-, Instituto Nacional de Recursos Biológicos (INRB) -Portugal-

5 records

Amigo

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

PHP PETERSEN

4 records

Astonking

Active

Lolium perenne L. · Perennial ryegrass

DEUTSCHE SAATVEREDELUNG AG

7 records

Apple Gl

Active

Lolium perenne L. · Perennial ryegrass

Z Seeds Inc. (US)

4 records

Apex

Protection expired

Poa pratensis L. · Kentucky bluegrass

W WEIBULL

6 records

Appalachian

Active

Poa pratensis L. · Kentucky bluegrass

Cascade International Seed Company

4 records

Ambition

Terminated

Agrostis capillaris L. · Common bent

DLF SEEDS A/S

5 records

Annie

Active

Triticum aestivum L. · Bread wheat

SELGEN A.S

6 records

Angus

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

PHP PETERSEN

5 records

Aigrette

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SAS FLORIMOND-DESPREZ Veuve et Fils

4 records

Almaral

Active

Lactuca sativa L. · Lettuce

Syngenta Seeds B.V.

6 records

Amjad

Active

Cucurbita pepo L. · Field pumpkin

Monsanto Vegetable, 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.