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.

Stefka

Active

Agrostis gigantea Roth · Black bent

Danko Hodowla Roslin Sp.z.o.o.

4 records

Stargazer

Active

Hippeastrum Herb. · Amaryllis

TON PETER VAN NIEUWKERK

3 records

Sunshade

Active

Phaseolus vulgaris L. · Common bean

Holland-Select Research B.V.

4 records

Spyglass

Active

Lolium perenne L. · Perennial ryegrass

Barenbrug USA

3 records

Stalgabri

Protection expired

Alstroemeria L. · Alstroemeria

VAN STAAVEREN B.V.

3 records

Solor

Active

Cucurbita maxima Duchesne · Giant pumpkin

DE BOLSTER VOF

4 records

Sourire

Terminated

Lolium perenne L. · Perennial ryegrass

Semunion Gazon GIE (FR)

4 records

Stromis

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Vilmorin SA (FR)

3 records

SR 1020

Active

Agrostis stolonifera L. · Creeping bentgrass

SEED RESEARCH OF OREGON

3 records

Sokkar

Active

Cucumis melo L. · Melon

Paul Degreef

4 records

Springbok

Active

Capsicum annuum L. · Bell pepper

Frederic Albert Denet

4 records

Skipper

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HM.CLAUSE

3 records

SR 8500

Active

Festuca arundinacea Schreb. · Tall fescue

SEED RESEARCH OF OREGON

3 records

Sprinter XR

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Illinois foundation Seeds, USA

4 records

Speedster

Terminated

Lolium perenne L. · Perennial ryegrass

SEED RESEARCH OF OREGON

4 records

Sirius

Active

Trifolium resupinatum L. · Persian clover

FERTIPRADO

3 records

Signas

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

6 records

Solgem

Active

Cucumis melo L. · Melon

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

5 records

SIL Merle

Active

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

ILSE FISCHER-TOEHL

3 records

Sereen

Terminated

Cucumis melo L. · Melon

ENZA ZADEN BEHEER B.V., NL

3 records

Senso

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

5 records

Schumi

Active

Phaseolus vulgaris L. · Common bean

BLUMEN SRL (IT)

4 records

Seabreeze GT

Active

Festuca rubra L. · Red fescue

PURE SEED TESTING

4 records

Sarrita

Active

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

5 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.