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.

PV-1581

Active

Spinacia oleracea L. · Spinach

Pop Vriend Research B.V.

2 records

Rana

Active

Solanum lycopersicum L. · Tomato

Sakata Vegenetics (Pty) Ltd (ZA)

2 records

Rajka

Terminated

Malus Mill. · Apple

Jaroslav Tupy Institute of Experimental Botany / Otto Louda Institute of Experimental Botany

2 records

Prestige

Active

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

Syngenta Seeds B.V.

2 records

Predazzo

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bayer Holland B.V.

2 records

Pombal

Active

Cucumis sativus L. · Cucumber

Bejo Zaden B.V.

3 records

PV-1022

Active

Spinacia oleracea L. · Spinach

KWS VEGETABLES B.V.

2 records

Powerslam

Active

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

Sakata Seed Corporation, JP

2 records

Poranna Rosa

Active

Rubus idaeus L. · Red raspberry

Sadowniczy Zaklad Doswiadczalny Instytutu Ogrodnictwa Brzezna Sp z o.o.

6 records

Polka

Active

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

Domaine Public (FR)

2 records

Proxima

Active

Raphanus sativus L. var. sativus · Radish

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

3 records

Precisa

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

INTERSEMILLAS SAU

2 records

Porquerole

Application submitted

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

2 records

Prospect

Active

Festuca arundinacea Schreb. · Tall fescue

Pennington Seeds Inc

2 records

PPSJ320080

Active

Capsicum annuum L. · Bell pepper

GREENROAD B.V.

2 records

Poultex

Protection expired

Rosa L. · Rose

POULSEN ROSER A/S

2 records

Platinum

Active

Avena strigosa Schreb. · Black oat

Lammers Seed Options B.V.

3 records

Pistache

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Podarok Like

Active

Prunus persica (L.) Batsch · Peach

PERFIL'EVA ZOYa NIKOLAEVNA / SMYKOV ANATOLIJ VLADIMIROVICh / SMYKOV VLADIMIR KARPOVICh / FEDOROVA OL'GA STEPANOVNA / LATSKO TAT'YaNA ANATOL'EVNA

4 records

Piwonia

Active

Solanum tuberosum L. · Potato

Hodowla Ziemniaka Zamarte sp. z o.o. - Grupa IHAR

4 records

Platiswing

Application submitted

Prunus persica (L.) Batsch · Peach

Thierry Pascal^^^Quartier Neuf E.A.R.L.

2 records

Poker

Active

Eruca vesicaria (L.) Cav. subsp. sativa (Mill.) Thell. · Arugula

Tsyunel` Anatolii Mechyslavovych, Tsyunel` Mykhailo Mechyslavovych, Havrysh Serhii Fedorovych,

2 records

Piktor

Active

Spinacia oleracea L. · Spinach

ROYAL SEEDS S.R.L.

2 records

Plein blanc inerme

Active

Cynara cardunculus L. · Cardoon

Domaine Public (FR)

4 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.