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.

Scarlet Bells

Application submitted

Clematis L. · Clematis

Szczepan Marczyński

1 record

SAXO

Terminated

Phleum pratense L. · Timothy grass

FDB, ALBERTSLUND & DLF, ROSKILDE

2 records

Serano

Active

Tulipa L. · Tulip

C.Th. Ammerlaan en Zn. B.V.

1 record

SALSA F1

Active

Solanum lycopersicum L. · Tomato

BHN SEED RESEARCH

1 record

Saalomon

Active

Clematis L. · Clematis

Uno Kivistik, Aili Kivistik

1 record

SANTA

Active

Rosa L. · Rose

Dzidra Rieksta

1 record

Sander F1

Active

Cucumis sativus L. · Cucumber

Andzhei Rostvorovskyi

2 records

Saint Pierre

Terminated

Fragaria L. · Strawberry

Shahrokh, Khanidazeh

1 record

Saint-Macaire

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

1 record

San`ka

Terminated

Solanum lycopersicum L. · Tomato

Panchev IUrii Ivanovych

2 records

Sandra

Terminated

Impatiens balsamina L. · Garden Balsam

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

1 record

SACHSENSTERN

Terminated

Rhododendron L. · Azalea

RANNACKER KARSTEN

1 record

Saint Edmund's Russet

Active

Malus domestica (Suckow) Borkh. · Apple

Information not available - Contact NL authorities

1 record

RPB 181 70

Withdrawn

Triticum aestivum L. · Bread wheat

ROTHWELL P.B.

1 record

SB1681

Application submitted

Zea mays L. · Maize

Syngenta Crop Protection AG

1 record

Russo F1

Terminated

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

Gerard Balder

1 record

Safrane F1

Active

Allium cepa L. · Onion

Ger Bimsdeboer

1 record

Royal Krymson Svyt

Terminated

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

Hari Besels

1 record

Rum'ianyi Nikits`kyi

Terminated

Prunus persica (L.) Batsch · Peach

Smykov Volodymyr Karpovych, Oriekhova Valentyna Petrivna, Perfil`ieva Zoia Mykolaivna, Smykov Anatolii Volodymyrovych,

2 records

Sabina

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

PARATY B.V.B.A

1 record

Ryčiai

Terminated

Solanum lycopersicum L. var. lycopersicum · Tomato

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

Rozana

Terminated

Antirrhinum majus L. · Snapdragon

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

1 record

Santamaria F1

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Rutrago

Terminated

Rubus L. · Blackberry

PROPLANT| Proplant AG

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.