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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

Winter protection — Hydrangea macrophylla 237 Winter protection for lettuce 141 Winter protection of roses 96 Winter Cover — White Cabbage 87 Winter protection of grapevine 79 Winter covering of radish 71 Winter protection for lilies 63 Winter protection of chrysanthemums 52 Winter protection of grapes 37 Winter protection — Garden strawberry 29 Winter protection — raspberry and blackberry 25 Winter protection for carrots 25 Winter protection for Clematis 20 Winter protection of blackberries 20 Winter covering of endive 19 Winter protection — Hydrangea serrata 17 Winter protection of fig trees 15 Winter protection of Hydrangea 15 Winter covering of potatoes 15 Winter protection of radish 14 Winter protection — Garden Chrysanthemum 13 Winter protection — Chinese cabbage 13 Winter protection of asparagus 11 Winter protection — Rubus idaeus L. x Rubus subg. Eubatus Focke 11

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.

D7187104

Active

Dahlia Cav. · Dahlia

Keith R.W. Hammett

1 record

Don Palido

Active

Pelargonium grandiflorum (Andrews) Willd. · Regal pelargonium

DMR Veredeling B.V.

1 record

Corinna

Terminated

Erica carnea L. · Winter heath

Kurt Kramer

1 record

BRU040

Application submitted

Brunnera macrophylla (Adams) I. M. Johnst. · Siberian bugloss

AB Kwekersrecht B.V.

1 record

Bonbrabu

Terminated

Brachyscome Cass. · Swan River Daisy

Andrew Bernuetz

1 record

Confetti

Active

Geranium shikokianum Matsum.

Marco van Noort Breeding B.V.

1 record

Boa 39

Application submitted

Prunus persica (L.) Batsch · Peach

Daniele Bassi^^^Stefano Foschi

1 record

Branroyal White

Withdrawn

Chrysanthemum L. · Chrysanthemum

Hubert Brandkamp

1 record

Branbeach

Terminated

Chrysanthemum L. · Chrysanthemum

Hubert Brandkamp

1 record

Changeling

Application submitted

Heuchera americana L. · alumroot

John C. Pavlich

1 record

DISANGOB21

Active

Sanvitalia procumbens Lam. · Creeping zinnia

Hugo Dittmar

1 record

BLVESCA13

Withdrawn

Fragaria vesca L. · Wild strawberry

Danilo Bernardini

1 record

Blue Planet

Terminated

Campanula portenschlagiana Schult. · Dalmatian bellflower

Gartneriet Kjærgårdsminde ApS

1 record

Dancasred

Terminated

Petunia Juss. · Petunia

Gavriel Danziger

1 record

Big Blue

Terminated

Veronica peduncularis M. Bieb.

HENDRIK THEOBALD

1 record

Dananab6

Terminated

Lobelia erinus L. · Edging lobelia

Gavriel Danziger

1 record

Coutia

Active

hybrids between Vitis rotundifolia Michx. and Vitis vinifera L.

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Bureau National Interprofessionnel du Cognac (BNIC)

1 record

Balendredim

Active

Verbena L. · Vervain

SCOTT C TREES

1 record

Dalila

Terminated

Lilium L. · Lily

De Jong Beheer B.V.

1 record

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