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.
Prunus persica (L.) Batsch · Peach
PLANTAS DE NAVARRA, S.A.(PLANASA)
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Prunus persica (L.) Batsch · Peach
PLANTAS DE NAVARRA, S.A.(PLANASA)
Lolium multiflorum Lam. · Italian ryegrass
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Wilbert Luesink
Prunus armeniaca L. · Apricot
SCEA Pomes Escande Programme Selection (FR)
Raphanus sativus L. var. oleiformis Pers. · Oil radish
P.H.PETERSEN SAATZUCHT LUNDSGAARD
Poa pratensis L. · Kentucky bluegrass
DEUTSCHE SAATVEREDELUNG AG
Raphanus sativus L. var. oleiformis Pers. · Oil radish
Michiel E. de Vries c/o Joordens' Zaadhandel B.V.
Secale cereale L. · Rye
PHP PETERSEN
Lolium perenne L. · Perennial ryegrass
Grass G.I.E.
Glycine max (L.) Merr. · Soybean
Institut za ratarstvo i povrtarstvo, Novi Sad
Lolium perenne L. · Perennial ryegrass
Teagasc
Glycine max (L.) Merr. · Soybean
Vidich Milosh, Miladinovych IEhor,
Raphanus sativus L. var. oleiformis Pers. · Oil radish
SAATZUCHT STEINACH GMBH and CO KG
Allium cepa L. · Onion
HAZERA SEEDS B.V., IL
Prunus persica (L.) Batsch · Peach
Maillard Arsene / Maillard Laurence
Cucumis melo L. · Melon
Syngenta Seeds S.A.
Prunus persica (L.) Batsch · Peach
Maillard Arsene / Maillard Laurence
Capsicum annuum L. · Bell pepper
ANTIPOVA NATAL'Ya YuR'EVNA / GARMAShOVA ALEKSANDRA PETROVNA / YuROV ANATOLIJ IVANOVICh
Prunus persica (L.) Batsch · Peach
Arsene Maillard Laurence Maillard
Lolium multiflorum Lam. · Italian ryegrass
Oregro Seeds
Rubus L. subg. Rubus · Blackberry
University of Arkansas, USA
Lolium perenne L. · Perennial ryegrass
DLF Seeds A-S, DK
Festuca arundinacea Schreb. · Tall fescue
PURE SEED TESTING