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.

Oberlin noir

Active

Vitis L. · Grapevine

INCONNU (FR)

1 record

Niwena

Terminated

Solanum lycopersicum L. · Tomato

Produkcja i Hodowla Roslin Ogrodniczych Krzeszowice sp. z o.o.

1 record

Niusia

Terminated

Callistephus chinensis (L.) Nees · China aster

PlantiCo Hodowla i Nasiennictwo Ogrodnicze Szymanów Sp. z o.o.

1 record

Ora

Active

Vitis vinifera L. · Common grape vine

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

2 records

Nenzi

Active

Lilium L. · Lily

Mak Breeding Rights B.V.

1 record

Northstar ISK

Active

Prunus cerasus L. · Sour cherry

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

3 records

NORD 16/2321

Terminated

Hordeum vulgare L. · Barley

LISSY KUNTZE

2 records

Nayden

Active

Vitis L. · Grapevine

Miroslav Ivanov, Iliyan Simeonov, Anatoli Iliev

2 records

Nikits`kyi Podarok

Terminated

Prunus persica (L.) Batsch · Peach

Fedorova Ol`ha Stepanivna, Smykov Volodymyr Karpovych, Smykov Anatolii Volodymyrovych, Parfil`ieva Zoia Mykolaivna,

2 records

ODENSE TORVE 'OTO'

Terminated

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

L. DÆHNFELDT A/S

1 record

OCTAVIO

Active

Cucumis melo L. · Melon

MERIDIEM SEEDS S.L.

1 record

Nemo F1

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Robert Leviel`

2 records

Myshutka

Terminated

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

Renkas Svitlana Volodymyrivna, Yanchuk Nina Ivanivna, Prylipka Oleksii Vasyl`ovych, Kravchenko Vladyslav Andriiovych,

2 records

Nasoloda

Terminated

Rubus L. subg. Rubus · Blackberry

Serdiuk Oleh Volodymyrovych, Sherenhovyi Petro Zakharovych,

2 records

Nantaise à forcer

Terminated

Daucus carota L. · Carrot

Clause Semences SA (FR)

1 record

Nana Purpurea

Terminated

Weigela Thunb. · Bush Honeysuckle

Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,

1 record

Movir 74

Terminated

Brassica oleracea L. convar. botrytis (L.) Alef. · Cauliflower

Asocijacija ,,Sortsemovošč"

1 record

Niko

Terminated

Festuca ovina L. · Sheep's fescue

Hodowla Roślin Nieznanice Sp.z o.o.

2 records

Nikita F1/Nikita F1

Terminated

Capsicum annuum L. · Bell pepper

Claude Basterreix

1 record

MULATA

Withdrawn

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

TAKII & CO LTD

1 record

MTI

Terminated

Zea mays L. · Maize

Kyrpa Mykola IAkivovych, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Dziubetskyi Borys Volodymyrovych,

2 records

Noir rond

Terminated

Brassica rapa L. var. rapa (L.) Thell. · Turnip

Domaine Public (FR)

1 record

Motiiv

Active

Clematis L. · Clematis

Uno Kivistik, Aili Kivistik

1 record

Nikits`kyi Rannii

Terminated

Punica granatum L. · Pomegranate

Rzhevkin Anatolii Oleksiiovych

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.