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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.

Jazz

Active

Tulipa L. · Tulip

NL
1 record

Foch

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Mouillère E.

FR
1 record

Karpatia

Active

Rosa villosa L. · Apple rose

SK
1 record

FLAME

Active

Citrus maxima x Citrus reticulata · Tangelo

ES
1 record

Fialový

Protection expired

Verbena rigida Spreng.

SK
1 record

Elviira

Terminated

Rhododendron molle (Blume) G. Don · Chinese azalea

NL
1 record

Elisir

Active

Solanum lycopersicum L. · Tomato

IT
1 record

GEZA-MINA

Application submitted

Malus domestica (Suckow) Borkh. · Apple

ES
1 record

Iftikhor

Terminated

Prunus persica (L.) Batsch · Peach

UA
1 record

Jarka

Protection expired

Malus Mill. · Apple

SK
2 records

Grandiflora

Protection expired

Nicotiana alata Link & Otto · Winged tobacco

SK
1 record

Genovie

Active

Lilium L. · Lily

NL
1 record

Hydrangea anomala D. Don subsp. petiolaris (Siebold & Zucc.) E. M. McClint. · Climbing hydrangea

No information of breeder available for this variety

FR
1 record

Honey rock

Terminated

Cucumis melo L. · Melon

IT
1 record

Hydrangea serrata (Thunb.) Ser. var. serrata · Tea-of-heaven

No information of breeder available for this variety

FR
1 record

Holands Breedblad

Protection expired

Valerianella locusta (L.) Laterr. · Corn salad

Semenarna Ljubljana, SI

SI
1 record

Funwest

Withdrawn

Lactuca sativa L. · Lettuce

NL
1 record

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