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.

Sulov F1

Terminated

Allium cepa L. · Onion

Ersyn Hiunes

1 record

Sprinkin F1

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

Sylvain Bontems

1 record

Stetson

Withdrawn

Festuca arundinacea Schreb. · Tall fescue

BRENTANO| Thomas E. Brentano c/o Lesco Inc.

2 records

Special News

Withdrawn

Lilium L. · Lily

G.A. Verdegaal en Zn. Export B.V.

1 record

Sorento F1

Terminated

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

Tsinhpinh Dzhanh

1 record

Starkrimson Delicious ISK

Terminated

Malus domestica (Suckow) Borkh. · Apple

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

1 record

Sofiivskyi 2

Active

Corylus avellana L. · Common hazel

Balabak Alla Vasylivna, Balabak Anatolii Fedorovych, Mazur IEvhenii Mykolaiovych, Opalko Anatolii Ivanovych, Balabak Oleksandr Anatoliiovych, Kosenko Ivan Semenovych,

2 records

Sovereign

Application submitted

Cynodon dactylon (L.) Pers. · Bermuda grass

SEEDS WEST

1 record

Starsol

Terminated

Malus domestica (Suckow) Borkh. · Apple

Zaiats` Vasyl` Andriiovych

2 records

Sofiivskyi 1

Active

Corylus avellana L. · Common hazel

Balabak Oleksandr Anatoliiovych, Kosenko Ivan Semenovych,

2 records

Stanley ISK

Active

Prunus domestica L. · European plum

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

1 record

Skyfall

Terminated

Clematis L. · Clematis

Szczepan Marczyński

1 record

Skrzat

Terminated

Callistephus chinensis (L.) Nees · China aster

Krakowska Hodowla i Nasiennictwo Ogrodnicze POLAN sp. z o.o.

1 record

Sława Nadrenii ZIF

Terminated

Solanum lycopersicum L. · Tomato

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

1 record

Skaldis F1

Withdrawn

Allium cepa L. · Onion

Will van Haerke

2 records

Skra

Terminated

Picea glauca (Moench) Voss · White spruce

Michal Kaluzinski

1 record

Solidor F1

Active

Cucurbita pepo L. · Field pumpkin

Eike Kampe, Lipskyi Volodymyr Volodymyrovych,

2 records

S. Michele

Active

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

PUBBLICO DOMINIO

2 records

SLICE

Withdrawn

Cucumis sativus L. · Cucumber

INTERSEMILLAS SAU

1 record

Slavutych

Terminated

Camelina sativa (L.) Crantz · Camelina

Budilka Hanna Illivna, Chekhov Anatolii Vasyl`ovych, Vynovets` Volodymyr Hryhorovych, Komarova Iryna Borysivna, Rozhkovan Valentyn Vasyl`ovych,

2 records

Sir F1

Active

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

Robert Prieur

1 record

Skywalker F1

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Her Bemsdeburh

2 records

Sofiivskyi 15

Active

Corylus avellana L. · Common hazel

Marno Liudmyla Ivanivna, Mazur IEvhenii Mykolaiovych, Opalko Anatolii Ivanovych, Tarasenko Halyna Anatoliivna, Balabak Oleksandr Anatoliiovych, Kosenko Ivan Semenovych,

2 records

SILVER JUBILEE 77

Protection expired

Rosa L. · Rose

James COCKER & SONS (GB)

1 record

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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.