Cultivation
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.
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.
Raphanus sativus L. var. sativus · Radish
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Cucumis melo L. · Melon
SEMILLAS FITO, S.A.
Hypericum L. · St. John's wort
FA. VAN CAMPEN F.
Lactuca sativa L. · Lettuce
Domaine Public (FR)
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Kientzler
Pyrus communis L. · European pear
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Cucumis sativus L. · Cucumber
SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.
Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt
PRZEDSIęBIORSTWO NASIENNE "ROLNAS" SP. Z O.O.
Prunus persica (L.) Batsch var. nucipersica (Suckow) C. K. Schneid. · Nectarine
Smykov Volodymyr Karpovych, Oriekhova Valentyna Petrivna, Shoferistov IEvhenii Petrovych,
Rosa L. · Rose
Reimer Kordes
Raphanus sativus L. var. sativus · Radish
Enza Zaden Beheer B.V.
Cucurbita pepo L. · Field pumpkin
Syngenta Seeds B.V.
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Malus domestica (Suckow) Borkh. · Apple
Estonian University of Life Sciences Institute of Agricultural and Environmental Sciences Polli Horticultural Research Centre
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Cucumis sativus L. · Cucumber
Lietuvos agrarinių ir miškų mokslų centras
Malus domestica (Suckow) Borkh. · Apple
Kalju Kask 100%
Cucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Malus domestica (Suckow) Borkh. · Apple
Kalju Kask 100%
Malus domestica (Suckow) Borkh. · Apple
Uno Kivistik
Solanum lycopersicum L. · Tomato
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Solanum melongena L. · Eggplant
MERIDIEM SEEDS S.L.
Cucumis sativus L. · Cucumber
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Raphanus sativus L. var. sativus · Radish
Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa w Ozarowie Mazowieckim Spolka z o.o.