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.
Malus domestica (Suckow) Borkh. · Apple
Raggi Giordano, TAGLIANI Francesco, MARTINELLI Alessio, LEIS Michelangelo,
Malus domestica (Suckow) Borkh. · Apple
William Turner
Festuca rubra L. · Red fescue
DLF SEEDS A/S
Rosa L. · Rose
Verkuyl
Festuca arundinacea Schreb. · Tall fescue
SEED RESEARCH OF OREGON
Malus domestica (Suckow) Borkh. · Apple
VAN LEUVEN MYLES
Lolium perenne L. · Perennial ryegrass
DEUTSCHE SAATVEREDELUNG AG
Festuca arundinacea Schreb. · Tall fescue
DLF Trifolium A-S, DK
Clematis L. · Clematis
RAYMOND J. EVISON^^^POULSEN ROSER INTERNATIONAL S.A.R.L.
Prunus persica (L.) Batsch · Peach
Maillard Arsene / Maillard Laurence
Prunus persica (L.) Batsch · Peach
Laurence Maillard, Arsene Maillard
Prunus salicina Lindl. · Japanese plum
Zaiger's Inc. Genetics
Brassica oleracea L. (Broccoli Group) · Broccoli
Bejo Zaden, NL
Solanum tuberosum L. · Potato
Sygnet PB, GB
Malus domestica (Suckow) Borkh. · Apple
Stephen Robert Glover Flightshott Farm Ltd.
Prunus persica (L.) Batsch · Peach
Slaughter John K.,Gerdts Timothy J.
Prunus armeniaca L. · Apricot
Jean-Marc Audergon c/o INRA
Festuca arundinacea Schreb. · Tall fescue
Rouergue Auvergne Gévaudan Tarnais -RAGT-
Lilium L. · Lily
Wereld, J. Van Der
Prunus armeniaca L. · Apricot
David W. Cain,Terry A. Bacon,Bruce D. Mowrey
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Fresh Forward Holding B.V., 6851 ET Huissen
Phalaenopsis Bl. · Moth Orchid
Van Swieten Martinus Nicolaas Gerardus
Nandina domestica Thunb. · Heavenly bamboo
Magnolia Gardens Nursery
Rosa L. · Rose
Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes