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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.

Fripon

Terminated

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Challet Herault S.A.S.

2 records

DVITAL22

Active

Sanvitalia procumbens Lam. · Creeping zinnia

Gavriel Danziger

2 records

Harbrill

Protection expired

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

HG01

Active

Papaver orientale L. · Oriental poppy

Oudshoorn Herbert

2 records

HEMZ0003

Active

Helenium autumnale L. · Common sneezeweed

Syngenta Crop Protection AG

2 records

Fialka

Active

Lonicera caerulea L. · Blue-berried honeysuckle

PLEKHANOVA MARIA M.^^^KONDRIKOVA ALEXANDRA V.

2 records

Harmedley

Active

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

Harfond

Terminated

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

Dolfarf

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Marie-France Doll

2 records

Gypsy Dancer

Active

Heuchera L. · Coral Flower

Janet N. Egger

2 records

Georg

Active

Vitis L. · Grapevine

Gertrude Mayer ^^^Georg Weiss

2 records

Emperor

Active

Prunus domestica L. · European plum

Doyle, James F.|Clovis, CA / Jong, Theodore M. De|Davis, CA

3 records

Forza Red

Active

Lilium L. · Lily

Testcentrum voor Siergewassen B.V.

2 records

Eir

Active

Solanum tuberosum L. · Potato

Graminor AS, N-2322 Ridabu

2 records

Gala Schnico

Application submitted

Malus domestica (Suckow) Borkh. · Apple

Schniga GmbH

4 records

Frozen Flame

Active

Veronica L. · Speedwell

van Niekerk Johan|Waddinxveen, NL

3 records

Fidostlemimp

Active

Osteospermum L. x Dimorphotheca Vaill. ex Moench

Fides B.V.

2 records

FLORAUBBWB

Active

Aubrieta deltoidea (L.) DC.

Florensis B.V.

2 records

D Overflow

Active

x Gasteraloe · Gasteraloe

Jimenez Javier Andres

2 records

Doroso

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

COSEH 4700

Active

Helleborus L. · Christmas Rose

Josef Heuger

2 records

DANCOP102

Active

Sutera cordata Thunb. Kuntze · Bacopa

Gavriel Danziger

3 records

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