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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.

Yocheryl

Terminated

Chrysanthemum L. · Chrysanthemum

GLICENSTEIN LEON

1 record

Twilight

Terminated

x Heucherella H. R. Wehrh. · Foamy bells

Janet N. Egger

1 record

White Flash

Terminated

Convolvulus cneorum L. · Silverbush

Van den Dool Boskoop B.V.

1 record

Triky White

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

Veloy

Active

Ribes nigrum L. · Blackcurrant

VOLODINA YEKATARINA V.^^^KHOTIMSKAYA SVETLANA P.^^^KHABAROVA NDEZHDA N.

4 records

TNARTMS

Withdrawn

Artemisia mauiensis (A. Gray) Skottsb.

HARINI KORLIPARA

1 record

Tamarak

Application submitted

Mangifera indica L. · Mango

Frans A. van Den Heever

1 record

Timotea

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

2 records

Trickster

Terminated

Solanum sisymbriifolium Lam. · Sticky nightshade

SCOTTISH CROP RESEARCH INSTITUTE

1 record

Tessumriver

Active

Alstroemeria L. · Alstroemeria

Horti Partners V.O.F.

1 record

Tessumheat

Active

Alstroemeria L. · Alstroemeria

Horti Partners V.O.F.

1 record

SUTCABL

Terminated

Sutera Roth · Sutera

Syngenta Seeds B.V.

1 record

TAN15521

Active

Rosa L. · Rose

CHRISTIAN EVERS

1 record

TAN14833

Active

Rosa L. · Rose

CHRISTIAN EVERS

1 record

Vulcano

Withdrawn

Chamaerops

Leonardo Vigo

1 record

Sunmarivani

Terminated

Verbena L. · Vervain

Yasunori Yomo

1 record

T11 319 Megaearly

Withdrawn

Vaccinium corymbosum L. · Highbush blueberry

Rolfe Nominees Pty Ltd

1 record

Tiki Rua

Terminated

Aristaloe aristata (Haw.) Boatwr. & J. C. Manning · Lace aloe

Adrianus L.M. van der Meer, Paulus A.M. van der Meer

1 record

Tessunstar

Active

Alstroemeria L. · Alstroemeria

Horti Partners V.O.F.

1 record

STAYMAN RED

Active

Malus domestica (Suckow) Borkh. · Apple

2 records

Tutti Frutti

Terminated

Oenothera lindheimeri (Engelm. & A. Gray) W. L. Wagner & Hoch · Lindheimer's beeblossom

R A Meredith & Son (Nurseries) Ltd.

1 record

Suntapiro

Terminated

Verbena L. · Vervain

Yasunori Yomo

1 record

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