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.

Vulcan

Active

Prunus armeniaca L. · Apricot

THE HORTICULTURE AND FOOD RESEARCH INSTITUTE OF NEW ZEALAND LTD

9 records

Kribicar

Active

Rosa L. · Rose

Mr Michel Kriloff

8 records

Jacrewhi

Active

Rosa L. · Rose

Zary Keith W.|Somis, CA

9 records

IFG Eight

Active

Vitis vinifera L. · Common grape vine

David W. Cain, PhD.

9 records

Everlime

Active

Carex oshimensis Nakai · Oshima sedge

Patrick Fitzgerald, Fitzgerald Nurseries

10 records

Ausverse

Active

Rosa L. · Rose

David J.C.Austin

8 records

Austango

Active

Rosa L. · Rose

David J.C.Austin

9 records

Enduro

Active

Pisum sativum L. · Pea

Florimond Desprez Veuve et Fils, FR

CZ ES FR SI

10 records

Balboa

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bejo Zaden, NL

CZ HR NL PL SK

8 records

ES Compositor

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

DE FR PL SK UA

10 records

ES Competitor

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

ES HR HU IT UA

10 records

Cancan

Active

Lolium perenne L. · Perennial ryegrass

VANDIJKE SEMP

BE DE IE NL

13 records

Montblanc

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

Mommersteeg International BV (NL)

DK EE ES FR LT PL

7 records

Lemnos

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

Rijksstation Voor Plantenveredeling (BE)

BE DK FI FR LU

7 records

Sunny

Active

Lactuca sativa L. · Lettuce

Nickerson Zwaan, NL

CZ HU NL SK

9 records

Ramco

Active

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

Syngenta Seeds BV (NL)

CZ HU NL PL SI SK

7 records

Cindy

Active

Brassica oleracea L. (Kohlrabi Group) · Kohlrabi

Rijk Zwaan B.V.

CZ HR HU NL PL SK

7 records

Aspect

Active

Brassica napus L. · Rapeseed

Reinhard Hemker

BG EE HU LT RO UA

10 records

Sundance

Active

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

HM Clause, INC. (SAD)

FR HR HU NL SK

7 records

Polka

Active

Rubus idaeus L. · Red raspberry

Sadowniczy Zaklad Doswiadczalny (PL)

FR HU NL PL UA

16 records

Ovasa

Active

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

Bejo Zaden BV (NL)

CZ HR NL PL SK

7 records

Primal

Active

Cucumis melo L. · Melon

Syngenta Crop Protection AG

BG ES HU NL UA

7 records

Rewena

Active

Malus domestica (Suckow) Borkh. · Apple

Prof. Dr. Manfred Fischer / Heinz Murawski + im Institut für Obstforschung Dresden-Pillnitz / Prof. Dr. Christa Fischer

DE HU NL PL UA

16 records

Southport

Active

Festuca rubra L. · Red fescue

FUNK| Dr. Cyrill Reed Funk c/o New Jersey Agr. Exp. StationRutgers University

CZ DE HR PL SI

9 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.