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.
Triticum aestivum L. · Bread wheat
Anne Ingver 40%, Hans Küüts 10%, Aamisepa 1, Jõgeva alevik, 48309, Estonia Tapio Juuti 30%, rastitie 1, Tuusula, 04300, Finland
Cucumis sativus L. · Cucumber
SMEDEKS Co d.o.o
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Prunus persica (L.) Batsch · Peach
Bouchet Christophe
Prunus persica (L.) Batsch · Peach
Laurence Maillard, Arsene Maillard
Triticum aestivum L. · Bread wheat
Bedoe Zoltan / Lang Laszlo / Szunics Laszlo / Veisz Otto / Vida Gyula / Karsai Ildiko / Szuecs Peter / Szunics Laszlone / Juhasz Angela / Rakszegi Mariann
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
TAKII EUROPE B V
Malus domestica (Suckow) Borkh. · Apple
Regents of the University of Minnesota / Regents of the University of Minnesota / Regents of the University of Minnesota
Festuca arundinacea Schreb. · Tall fescue
Pure Seed Testing Inc (US)
Triticum durum Desf. · Durum wheat
Vida Gyula / Veisz Otto / Bedoe Zoltan / Lang Laszlo / Karsai Ildiko / Puskas Katalin
Vicia sativa L. · Common vetch
Cucumis sativus L. · Cucumber
MOTOV VIKTOR MIHAJLOVICh / BIRYuKOVA NINA KONSTANTINOVNA / ERDYaKOVA VALENTINA ALEKSEEVNA
Lolium perenne L. · Perennial ryegrass
EIGEN VERMOGEN VH INSTITUUT VOOR LANDBOUW- EN VISSERIJONDERZOEK
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
BEJO ZADEN
Lolium multiflorum Lam. · Italian ryegrass
DEPT FOR PLANT BREEDING and GENETICS -ILVO
Festuca rubra L. · Red fescue
Euro Grass Breeding GmbH Co. KG
Prunus armeniaca L. · Apricot
Newcot SAS (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
HM Clause SA (FR)
Prunus armeniaca L. · Apricot
Marie-France Bois
Capsicum annuum L. · Bell pepper
OOO 'AGROFIRMA 'SEDEK'
Cucurbita pepo L. · Field pumpkin
Ventura Ya'Acov
Allium sativum L. · Garlic
PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.
Rosa L. · Rose
Meilland, Alain A.|Antibes, France
Cucumis melo L. · Melon
ZKI, H