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.

Bonscawi

Active

Scaevola aemula R. Br. · Fairy fan-flower

Bernuetz Andrew|Silverdale, AU

5 records

Anpink

Active

Angelonia Bonpl. · Angelonia

Olbricht Klaus|Dresden, DE

5 records

Liberty

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HM.CLAUSE

FR HU PL SK

5 records

Nirvana

Terminated

Triticum aestivum L. · Bread wheat

PLANT BREEDING INTERNATIONAL CAMBRIDGE

FR PL SK

7 records

Turnia

Active

Pisum sativum L. · Pea

Poznanska Hodowla Roslin Sp. z o.o

CZ PL

7 records

NS Mina

Active

Glycine max (L.) Merr. · Soybean

Institut za ratarstvo i povrtarstvo, Novi Sad

6 records

Friedrixx YG

Protection expired

Zea mays L. subsp. mays (Maize Group) · Maize

RAGT 2n

CZ ES FR

4 records

Rota

Protection expired

Raphanus sativus L. · Radish

ZWAAN SAMENZUCHT| Rijk Zwaan Welver GmbH Gemuesezuechtung & Saatguthandel

DE LT SK

4 records

Roberta

Protection expired

Lolium multiflorum Lam. · Italian ryegrass

DLF SEEDS A/S

IT NL

5 records

Voyager

Active

Zea mays L. · Maize

CAUSSADE SEMENCES

IT PT SK

4 records

Stephany

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Limagrain Verneuil Holding (FR)

BE FR NL

5 records

Sunskin

Active

Allium cepa L. var. cepa · Onion

Syngenta Seeds B.V.

CZ NL PL

4 records

Melworld

Active

Lolium multiflorum Lam. · Italian ryegrass

DEPT FOR PLANT BREEDING and GENETICS -ILVO

6 records

Ligrande

Protection expired

Lolium multiflorum Lam. · Italian ryegrass

Dipl.Ing.agr. Heiner Busch in Fa. Deutsche Saatveredelung AG

DE SK

9 records

Lada

Active

Raphanus sativus L. · Radish

MORAVOSEED

HU SK UA

4 records

Flamboyant 2

Active

Raphanus sativus L. var. sativus · Radish

Domaine Public (FR)

CZ ES FR

4 records

Buko

Active

Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard

KWS| KWS SAAT AG

BE DE FR

5 records

Xaviera KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

BE DE NL

4 records

Finley

Active

Solanum lycopersicum L. · Tomato

Shevchenko Igor

BG UA

6 records

White Smith

Active

Ribes uva-crispa L. · Gooseberry

CZ NL SI

9 records

Vertus

Active

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

SEMO a.s

CZ HR SI

7 records

Zairegem

Active

Prunus persica (L.) Batsch · Peach

ZAIGER FLOYD

ES FR IT

9 records

Zaifer

Active

Prunus persica (L.) Batsch · Peach

ZAIGER FLOYD

ES FR IT

10 records

Verian

Terminated

Lactuca sativa L. · Lettuce

Les Graines Caillard Sa (FR)

ES FR NL

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.