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.
Rosa L. · Rose
HANS JUGEN EVERS
Festuca arundinacea Schreb. · Tall fescue
Deutsche Saatveredelung AG - DSV (DE)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Bayer Holland B.V.
Apium graveolens L. var. dulce (Mill.) Pers. · Celery
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Festuca arundinacea Schreb. · Tall fescue
PROF. DR. DIRK REHEUL /DR. IR. MATHIAS COUGNON
Vicia sativa L. · Common vetch
Jouffray-Drillaud SA (FR)
Raphanus sativus L. var. sativus · Radish
Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa Spółka Akcyjna w upadłości likwidacyjnej \Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Solanum tuberosum L. · Potato
Vesa Velhartice a.s.
Lolium x hybridum Hausskn. · Hybrid ryegrass
DLF Seeds A-S, DK
Festuca ovina L. · Sheep's fescue
Malopolska Hodowla Roslin Spolka z o.o.
Malus domestica (Suckow) Borkh. · Apple
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta UK Ltd
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Remi Leviel
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Capsicum annuum L. · Bell pepper
Seminis Vegetable Seeds
Helianthus annuus L. · Sunflower
Galin Georgiev Georgiev
Zea mays L. · Maize
Syngenta Crop Protection,CH
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Vilmorin-Mikado S.A.S.
Brassica oleracea L. (Broccoli Group) · Broccoli
Sakata Seed Corporation, JP
Cucumis sativus L. · Cucumber
PLANTICO ZIELONKI, SP. Z.O.O, PL
Cucumis sativus L. · Cucumber
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Twan Groot
Medicago sativa L. · Alfalfa
SCHITEA MARIAMARTURA TEODORBADEA DOMNICA