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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

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.

Haco

Active

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

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

PL
2 records

Hugon

Active

Cucumis sativus L. · Cucumber

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

PL
2 records

Gustina

Active

Capsicum annuum L. · Bell pepper

Lietuvos agrarinių ir miškų mokslų centras

LT
2 records

Horizon

Active

Cucumis sativus L. · Cucumber

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

PL
3 records

Green Pineapple

Protection expired

Solanum lycopersicum L. · Tomato

Domaine Public (FR)

FR
2 records

Green Grazer

Terminated

Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass

Pannar Seed (Pty) Ltd

IT
2 records

Grazis

Active

Raphanus sativus L. var. sativus · Radish

SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.

PL
3 records

Malus domestica (Suckow) Borkh. · Apple

Domaine Public (FR)

FR
2 records

Gréta

Terminated

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

EVA THORN, SVALÖF WEIBUL AB

DK
2 records

Cucumis melo L. · Melon

HM.Clause S.A.S.

FR
3 records

Heinz7709

Terminated

Solanum lycopersicum L. · Tomato

HEINZSEED

PT
2 records

Lolium multiflorum Lam. · Italian ryegrass

Oregro Seeds

IT
2 records

Green Viking

Terminated

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

DONGBU HANNONG SEEDS CO LTD

IT
2 records

Solanum lycopersicum L. · Tomato

HEINZSEED

PT
2 records

Solanum melongena L. · Eggplant

Indus & Burpee Private Ltd

NL
2 records

Hardec

Active

Pachystegia insignis (Hook. f.) Cheeseman

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

FR
2 records

Godoria

Active

Solanum lycopersicum L. · Tomato

Bakker Brothers Gebroeders Bakker Zaadteelt en Zaadhandel BV

PL
2 records

Allium cepa L. var. cepa · Onion

Gospodarstwo Nasiennictwa i Hodowli Roślin Eugeniusz Bogdan Żurański \Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
3 records

Hele

Active

Vaccinium angustifolium Aiton · Lowbush blueberry

Maatalouden tutkimuskeskus (MTTK) (later: Maa- ja elintarviketaouden tutkimuskeskus (MTT)/ Present Luonnonvarakeskus (Luke))

FI
3 records

Goldisa

Active

Capsicum annuum L. · Bell pepper

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
2 records

Goldie

Terminated

Cucumis melo L. · Melon

SUNSEEDS

IT
2 records

Picea glauca (Moench) Voss · White spruce

Aleksander Walaszczyk

PL
2 records

Allium cepa L. var. cepa · Onion

Przemysław Jazic

PL
2 records

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