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.

Chrobry F1

Terminated

Cucumis sativus L. · Cucumber

Andzhei Rostvorovs`kyi

2 records

Cyclone

Active

Lilium L. · Lily

Mak Breeding Rights B.V.

1 record

Danaro

Terminated

Lolium perenne L. · Perennial ryegrass

KWS France (FR)/Dansk Planteforaedling (DK)

1 record

Crouchen

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

Crater

Active

Lilium L. · Lily

GeGe Beheer B.V.

1 record

Cinsault

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

Clorinda F1 AS

Terminated

Solanum melongena L. · Eggplant

Hari Besels

1 record

Cilema F1

Active

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

Nort Khadlier

2 records

Cleostar

Application submitted

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Crop Protection AG

2 records

Crokii

Active

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

TAKII & CO LTD

1 record

Corrida

Active

Nerium oleander L. · Oleander

Olivier Faure (FR)

1 record

Credo F1

Terminated

Cucumis melo L. · Melon

Angeles Maria

2 records

Copper Candy

Application submitted

Lilium L. · Lily

De Looff Lily Innovation B.V.

1 record

CONCORD

Terminated

Cucurbita pepo L. · Field pumpkin

SEMINIS INC

1 record

Caroline F1

Terminated

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

Maria Angeles

1 record

Column

Active

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

HM Clause Inc (US)

1 record

Colano

Terminated

x Raphanobrassica spp.

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Dr. Heinrich Enderlein

1 record

Carcaghjolu neru

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

Celebration F1

Terminated

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

XINGPING ZHANG

1 record

Club

Terminated

Festuca rubra L. · Red fescue

Clause Semences SA (FR)

1 record

Cerox F1

Active

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

Ger Bimsdeboer

1 record

Colet

Active

Lilium L. · Lily

Hoogland & Van Veen Lelie B.V.

1 record

Casa Granda

Application submitted

Lilium L. · Lily

Bisschoff Tulleken B.V.

1 record

Camaralet

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

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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.