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.

Hyena

Active

Avena strigosa Schreb. · Black oat

Lammers Seed Options B.V.

3 records

Ivory Pixie

Active

Lilium L. · Lily

Veenstra Orchid

3 records

Huzar

Terminated

Cucumis sativus L. · Cucumber

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

2 records

Huzar

Terminated

Allium sativum L. · Garlic

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

2 records

Horus

Active

Raphanus sativus L. var. sativus · Radish

Gautier Semences SAS (FR)

3 records

Ivex

Application submitted

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bayer Holland B.V.

3 records

HSV91440

Active

Allium cepa L. var. cepa · Onion

HORTAG SEED CO.

3 records

Heinz4107

Active

Solanum lycopersicum L. · Tomato

HEINZSEED

2 records

Honey Haven

Active

Prunus persica (L.) Batsch · Peach

Floyd Zaiger (US)

4 records

Isabel

Active

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

2 records

Hinsel

Active

Ribes uva-crispa L. · Gooseberry

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

4 records

Indigo Apple

Active

Solanum lycopersicum L. · Tomato

ReinSaat KG

2 records

HBDY410078

Active

Solanum lycopersicum L. · Tomato

GREENROAD B.V.

2 records

Hâtive Erstling

Active

Lactuca sativa L. · Lettuce

Domaine Public (FR)

2 records

Iena

Terminated

Cucumis melo L. · Melon

Petoseed Co INC (US)

2 records

Imperial

Active

Agrostis stolonifera L. · Creeping bentgrass

Texas Agricultural Experiment Station

2 records

Iljo

Terminated

Lolium perenne L. · Perennial ryegrass

ILVO-PLANT 39

2 records

Heinz2127

Active

Solanum lycopersicum L. · Tomato

HEINZSEED

3 records

Heinz1178

Active

Solanum lycopersicum L. · Tomato

HEINZSEED

2 records

Harmonium

Active

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

Nunhems B.V.

4 records

Headstart II

Terminated

Lolium perenne L. · Perennial ryegrass

PICKSEED WEST INC

2 records

Idaredest

Active

Malus domestica (Suckow) Borkh. · Apple

Ines Róża Osiak-Wicha

5 records

Icebeat

Active

Lactuca sativa L. · Lettuce

MARALDI SEMENTI S.r.l.

3 records

Guiomar

Active

Solanum lycopersicum L. · Tomato

MERIDIEM SEEDS S.L.

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.