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.
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Avena sativa L. · Oat
SARL ADRIEN MOMONT ET FILS, FR
Triticum durum Desf. · Durum wheat
VENTUROLI VITTORIO
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Rijk Zwaan Budapest, H
Vicia sativa L. · Common vetch
SEMENCES DE FRANCE
Vicia faba L. · Broad bean
Werner Horn
Cucumis melo L. · Melon
PETOSEED CO
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
UNITED GENETICS SEEDS CO
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa w Ozarowie Mazowieckim Spolka z o.o.
Malus domestica (Suckow) Borkh. · Apple
STAYMAN (US)
Solanum lycopersicum L. · Tomato
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Malus domestica (Suckow) Borkh. · Apple
SARL DAVODEAU LIGONNIERE
Helianthus annuus L. · Sunflower
Patrick Duhigg
Lolium perenne L. · Perennial ryegrass
SEED RESEARCH OF OREGON
Lolium perenne L. · Perennial ryegrass
SEED RESEARCH OF OREGON
Cucumis melo L. · Melon
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Lolium multiflorum Lam. · Italian ryegrass
Oregro Seeds
Prunus persica (L.) Batsch · Peach
VIVEROS PROVEDO, S.A.
Brassica oleracea L. (Cauliflower Group) · Cauliflower
SAIS SOCIETA ARGICOLA
Prunus persica (L.) Batsch · Peach
PLANTAS DE NAVARRA, S.A.(PLANASA)
Lolium perenne L. · Perennial ryegrass
SEED RESEARCH OF OREGON
Rosa L. · Rose
PAUL F. DEVOR
Lolium perenne L. · Perennial ryegrass
DPT VOOR PLANTENGENETICA EN -VEREDELING - D.REHEUL /BARENBRUG BELGIUM
Prunus persica (L.) Batsch · Peach
Maillard Arsene / Maillard Laurence