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.

Leda

Application submitted

Prunus armeniaca L. · Apricot

Daniele Bassi^^^Stefano Foschi

1 record

ASFNBF0471

Active

Prunus persica (L.) Batsch · Peach

Arsene Maillard Laurence Maillard

2 records

HAVPOSB702

Terminated

Campanula poscharskyana Degen · Trailing bellflower

Theodorus C.L. Ten Have

1 record

Zymorodok F1

Terminated

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

Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

1 record

Zumrut F1

Withdrawn

Cucurbita pepo L. · Field pumpkin

Ahmet Oktay Turhan

2 records

Znakhar

Terminated

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

Leschuk Nadiia Vasylivna, Kharyts`kyi Mykola Volodymyrovych, Malenko Anatolii Mykolaiovych, Chaban Lesia Vasylivna, Pozniak Oleksandr Vasyl`ovych, Kryvets` Dmytrii Olehovych,

2 records

ZHY3278OY

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Leo Schoots

2 records

Złota Saxa TOR

Active

Phaseolus vulgaris L. · Common bean

TORSEED - Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa S.A.

1 record

Zbigniew

Active

Crataegus L. · Hawthorn

Volodymyr Mezhenskyj

1 record

Zena F1

Terminated

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

Yutaka Ishii

2 records

Zefir F1

Terminated

Cucumis sativus L. · Cucumber

Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

2 records

Zeus

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

CHRYSANTHEMUM BREEDERS ASSOCIATION N.V

1 record

Yuvileina Kosenka

Terminated

Diospyros kaki L. f. · Persimmon

Nebykova Mykhailo Valentynovych, Derev'ianko Nataliia Vasylivna, Opalko Anatolii Ivanovych, Kosenko Ivan Semenovych, Derev'ianko Vasyl Mykolaiovych,

2 records

Yojennifer

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

VANDENBERG| Cornelis P. Vandenberg

1 record

Yuki

Protection expired

Brassica rapa L. subsp. chinensis (L.) Hanelt · Bok choy

Sakata Seed Corporation

1 record

Yubileinyi Rannii

Terminated

Prunus persica (L.) Batsch · Peach

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

2 records

YOFORGE

Terminated

Chrysanthemum indicum L. · Indian chrysanthemum

Case VANDENBERG (US)

1 record

Yoholly

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

HESSE PETER| Peter S. Hesse

1 record

Yaskrava Zirka

Active

Raphanus sativus L. var. sativus · Radish

Vovk Zhanna Mykolaivna

2 records

X Factor

Active

Lilium L. · Lily

1 record

Yuvileinyi Sydorenka

Terminated

Prunus persica (L.) Batsch · Peach

Sydorenko Mykhailo Fedorovych, Klochko Nataliia Mykolaivna,

1 record

Yngve

Terminated

Hordeum vulgare L. · Barley

Ewertson, Göran/Löhde, Jörgen

2 records

Zoloto Stepu

Terminated

Triticum aestivum L. · Bread wheat

Prokaiev Oleksandr Serhiiovych, Viniukova Olha Borysivna,

2 records

Wisconsin SMR 18 PSF

Terminated

Cucumis sativus L. · Cucumber

PlantiCo Hodowla i Nasiennictwo Ogrodnicze Golebiew sp. z o.o.

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.