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.
Trifolium pratense L. · Red clover
NOVOSELOV MIHAIL YuR'EVICh / TUMASOVA MARGARITA IVANOVNA / SVETLAKOVA VALENTINA YaKOVLEVNA / NIKIFOROVA EKATERINA VASIL'EVNA / KALININ ALEKSANDR IVANOVICh / GRIPAS' MARIYa NIKOLAEVNA
Poa pratensis L. · Kentucky bluegrass
The Scotts Company
Hordeum vulgare L. · Barley
Cultivari Getreidezüchtungsforschung Darzau gGmbH
Asparagus officinalis L. · Asparagus
Teboza Research B.V.
Cucumis melo L. · Melon
Syngenta Seeds B.V.
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Walther Faedi^^^Gianluca Baruzzi^^^Paolo Sbrighi^^^Pierluigi Lucchi
Festuca arundinacea Schreb. · Tall fescue
GIE de Recherche Europeenne sur les Gazons (FR)
Lolium perenne L. · Perennial ryegrass
Dr. Peder Weibull c/o Lantmaennen SW Seed AB
Prunus persica (L.) Batsch · Peach
Bouchet Christophe
Capsicum annuum L. · Bell pepper
ZKI, H
Solanum lycopersicum L. · Tomato
Monsanto Vegetable IP Management B.V.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Bayer Holland B.V.
Capsicum annuum L. · Bell pepper
HM.CLAUSE
Prunus persica (L.) Batsch · Peach
Bouchet Christophe
Allium porrum L. · Leek
NUNHEMS
Prunus persica (L.) Batsch · Peach
Bouchet Christophe
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Glandularia x hybrida (hort. ex Groenl. & Rümpler) G. L. Nesom & Pruski · Common Garden Verbena
Yomo, Yasunori|Yamanashi, Japan / Murakami, Yasuyuki|Shiga, Japan
Prunus persica (L.) Batsch · Peach
Maillard Arsene
Rosa L. · Rose
Hans-Juergen Evers
Lolium perenne L. · Perennial ryegrass
Semillas Fitó S.A.
Prunus persica (L.) Batsch · Peach
Laurence Mallard, Agro Selections Fruits SAS
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Bayer Holland B.V.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :HBA B.V.