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.

Romanov

Active

Solanum melongena L. · Eggplant

Sakata Seed Sudamerica Ltd (BR)

2 records

Roter krieger

Active

Malus domestica (Suckow) Borkh. · Apple

Information not available - Contact NL authorities

2 records

Rodiezmo

Active

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

2 records

Rosalie

Protection expired

Euphorbia milii Des Moul. · Crown of thorns

Van Veen OZ B.V.

2 records

Rosnella

Active

Lactuca sativa L. · Lettuce

BLUMEN GROUP S.P.A

2 records

Rossella

Active

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

Syngenta Seeds B.V.

2 records

Roma

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

PARMA SEEDS SRL

3 records

Rondeline

Terminated

Allium cepa L. var. aggregatum G. Don · Shallot

Cooperative Agricole de la Vallee Moyenne de la Loire (FR)

2 records

Rina

Active

Cucumis melo L. · Melon

NIRIT SEEDS

2 records

Rhinestone

Active

Allium cepa L. var. cepa · Onion

Hazera Seeds B.V.

2 records

Rumba

Active

Raphanus sativus L. var. sativus · Radish

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

3 records

Robinson

Terminated

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

5 records

Ruby gala

Active

Malus Mill. · Apple

THOMPSON G.W.

3 records

RN016

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

LA SEMIORTO SEMENTI SRL

2 records

Rivers'- Early Prolific

Active

Prunus domestica L. · European plum

4 records

Rio Cuatro

Active

Capsicum annuum L. · Bell pepper

SEMILLAS FITO, S.A.

2 records

Relys

Active

Capsicum annuum L. · Bell pepper

Clause Tezier, FR

2 records

Roselo

Terminated

Capsicum annuum L. · Bell pepper

Enza Zaden Beheer B.V.

4 records

Regulator

Terminated

Capsicum annuum L. · Bell pepper

Enza Zaden Beheer B.V.

2 records

Resi

Terminated

Malus Mill. · Apple

Fischer, M. / Fischer, C. / Murawski, H.

2 records

Reyana

Active

Solanum lycopersicum L. · Tomato

Bistra Ts. Atanasova, Hristo A. Georgiev

3 records

Renkloda Ulena

Active

Prunus domestica L. · European plum

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

3 records

Rio Largo

Active

Solanum lycopersicum L. · Tomato

ReinSaat KG

2 records

Renesme

Active

Solanum lycopersicum L. · Tomato

Kamil Bartkowski Gospodarstwo Hodowlano-Nasienne Bartkowscy

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.