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.

Severo

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

6 records

Santini

Active

Avena nuda L. · Naked oat

Selgen, a.s. Vyzkumne centrum SELTON, s.r.o.

7 records

Sagane

Active

Lolium x hybridum Hausskn. · Hybrid ryegrass

Feldsaaten Freudenberger GmbH&Co.KG

3 records

Saphira

Active

Lolium perenne L. · Perennial ryegrass

DLF Seeds A/S

4 records

Samanta

Active

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

United Genetics, I

3 records

Sambesi

Active

Sinapis alba L. · White mustard

Groetzner Management GmbH

4 records

Samson

Active

Capsicum annuum L. · Bell pepper

Graines Gautier SA (FR)

4 records

Sabroson

Active

Cucumis melo L. · Melon

HAZERA SEEDS BV

4 records

Ruby Bright

Active

Prunus persica (L.) Batsch · Peach

Lowell Glen Bradford (US)

6 records

Runner

Terminated

Agrostis stolonifera L. · Creeping bentgrass

DLF-TRIFOLIUM DANSK PLANTEFORAEDLING

3 records

Rugally

Active

Phaseolus vulgaris L. · Common bean

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

4 records

Santos

Active

Cucumis sativus L. · Cucumber

MORAVOSEED

3 records

Roxane

Active

Avena strigosa Schreb. · Black oat

Jouffray-Drillaud SA (FR)

4 records

Rowdy

Active

Festuca arundinacea Schreb. · Tall fescue

DLF Pickseed USA, Inc. and Rutgers, The State University of New Jersey

3 records

Sandoline

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

6 records

Rucla

Active

Malus domestica (Suckow) Borkh. · Apple

VÝZKUMNÝ A ŠLECHTITELSKÝ ÚSTAV OVOCNÁŘSKÝ HOLOVOUSY s.r.o. (CZ)

11 records

Samba

Active

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

Cora Seeds SRL, I

3 records

Rondo

Active

Raphanus sativus L. var. sativus · Radish

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

4 records

Roberta

Active

Capsicum annuum L. · Bell pepper

W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O

4 records

Romeldo

Terminated

Lolium multiflorum Lam. · Italian ryegrass

ILVO PLANT(APPLIED GENETICS+BREEDING)

4 records

Romesa

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

PRZEDSIęBIORSTWO NASIENNE "ROLNAS" SP. Z O.O.

4 records

Romeo

Active

Capsicum annuum L. · Bell pepper

DUBININ SERGEJ VLADIMIROVICh / DUBININA IRINA NIKOLAEVNA / KIRILLOV MIHAIL IVANOVICh

4 records

Risonas

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

6 records

Romanov

Active

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

HAZERA SEEDS B.V.

3 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.