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.

Boutard

Active

Prunus armeniaca L. · Apricot

Boucherand J.N. (FR)

4 records

Bonus

Active

Cucumis sativus L. · Cucumber

Sych Zenovii Deonyzovych, Kondratenko Mykola Viktorovych, Medvediev Oleksandr Oleksandrovych,

3 records

Bermeo

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bejo Zaden B.V.

3 records

BLACK FINGER

Terminated

Vitis vinifera L. · Common grape vine

Pearl, Avi, Sahar, N., Spiegel, Roy P., Baron, I.

2 records

Black Eye

Active

Lilium L. · Lily

Rhee Hye Kyung, Cho, Hae-ryong, Lim Jin Hee, KIM, MI SEON, Park, Sang Kun, Choi Seong Youl

3 records

Boussole

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

2 records

Batavia goutte de sang

Active

Lactuca sativa L. · Lettuce

Domaine Public (FR)

2 records

Big Smile

Active

Muscari · Grape hyacinth

Paul van Bentem Bloembollen B.V.

2 records

Belmira

Active

Solanum tuberosum L. · Potato

Danespo A/S

4 records

Belle fille de Salins

Active

Malus domestica (Suckow) Borkh. · Apple

Domaine Public (FR)

2 records

Bellastar

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation (SCC)

3 records

Bolko

Terminated

Cucumis sativus L. · Cucumber

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

3 records

Běla

Active

Melilotus albus Medik. · White sweet clover

AGROGEN, spol. s r.o. (CZ)

3 records

Beskid

Active

Rubus idaeus L. · Red raspberry

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

3 records

Bardino

Terminated

Cucumis melo L. · Melon

PETOSEED CO

3 records

Bering

Terminated

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

Norddeutsche Pflanzenzucht DE

2 records

Bandolero

Active

Solanum lycopersicum L. · Tomato

RAMIRO ARNEDO, S.A.

2 records

Baton Rouge

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

3 records

Balex

Terminated

Avena strigosa Schreb. · Black oat

P.H. Petersen Saatzucht Lundsgaard GmbH Herrn Asmus Sören Petersen / Michaela Schlathölter

3 records

Big Daddy

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Johnson, Jr. Ozzie W

2 records

Bellarax

Active

Solanum lycopersicum L. · Tomato

Axia Vegetable Seeds B.V.

3 records

Baladis

Terminated

Daucus carota L. · Carrot

Bakker Brothers Gebroeders Bakker Zaadteelt en Zaadhandel BV

2 records

Bistro

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

GAVRISh SERGEJ FEDOROVICh / DUBININ SERGEJ VLADIMIROVICh

4 records

Bel-el

Terminated

Malus Mill. · Apple

Romain Wouters

2 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.