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.

Early long purple 2

Active

Solanum melongena L. · Eggplant

PUBBLICO DOMINIO

2 records

Early Gitana F1

Active

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

Dr. Mario Martinelli

2 records

ERFORDIA

Protection expired

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

VEG SAATZUCHT

2 records

DUX ØTOFTE

Terminated

Lolium perenne L. · Perennial ryegrass

FDB, ALBERTSLUND & DLF, ROSKILDE

1 record

Epinou

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

Emajõgi

Active

Clematis L. · Clematis

Uno Kivistik, Aili Kivistik

1 record

Dolgi beli gladki

Withdrawn

Pastinaca sativa L. · Parsnip

Semenarna Ljubljana, SI

1 record

Enorma

Withdrawn

Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass

CAL-WEST SEEDS

1 record

Elena ISK

Withdrawn

Prunus domestica L. · European plum

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

1 record

El`vira F1

Terminated

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

Khartmut Kliain, Troian Mykola Vasyl`ovych, Kondratenko Mykola Viktorovych,

2 records

Elisa

Active

Vinca minor L. · Lesser periwinkle

Herbert Menke

1 record

Egiodola

Active

Vitis vinifera L. · Common grape vine

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

2 records

Dorata di Castelnuovo Scrivia

Terminated

Allium cepa L. · Onion

AS.PRO.PAT. PIEMONTE SOC. COOP. A R.L.

1 record

Einset seedless

Active

Vitis L. · Grapevine

CORNELL UNIVERSITY (US)

1 record

EH6716

Terminated

Zea mays L. · Maize

MONSANTO TECHNOLOGY

1 record

Early Samanta F1

Active

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

Dr. Mario Martinelli

2 records

Donets`kyi etiud

Terminated

Chrysanthemum L. · Chrysanthemum

Pirko Inna Fedorivna, Pel`tikhina Raisa Ivanivna,

2 records

Ditmarska Najwcześniejsza GOF

Active

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

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

1 record

D'hiver

Terminated

Allium porrum L. · Leek

Tezier SA (FR)

1 record

Dyven

Application submitted

Solanum tuberosum L. · Potato

Pryvatne aktsionerne tovarystvo naukovo-vyrobnyche ob’iednannia «Chernihivelitkartoplia»

4 records

Dzhamper F1

Terminated

Allium porrum L. · Leek

Ger Beemsterboer

1 record

Dunkelgruner Vollherziger 2

Withdrawn

Valerianella locusta (L.) Laterr. · Corn salad

Austrosaat (AT)

1 record

Dysk

Active

Pinus mugo Turra

Krzysztof i Grażyna Paluszkiewicz Szkółkarstwo Ozdobne

1 record

Demre F1

Active

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

Ali Yuksel

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.