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.
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Tovarystvo z obmezhenoiu vidpovidalnistiu "SPARK SIDZ"
Vitis vinifera L. · Common grape vine
Pavlova Iryna Oleksandrivna, Oleinikov Mykola Petrovych, Lykhovs`koi Volodymyr Volodymyrovych, Volynkin Volodymyr Oleksandrovych, Avidzba Anatolii Mkanovych,
Zea mays L. · Maize
Advanta Seed International
Clematis L. · Clematis
J.VAN ZOEST BEHEER B.V.
Solanum lycopersicum L. · Tomato
Ali Yuksel
Lactuca sativa L. · Lettuce
MERIDIEM SEEDS S.L.
Prunus persica (L.) Batsch · Peach
Floyd Zaiger
Raphanus sativus L. var. sativus · Radish
Domaine Public (FR)
Phygelius E. Mey. · Cape fuchsia
A T Yates & Son
Brassica oleracea L. (White Cabbage Group) · White cabbage
Renate Velders
Cotinus Mill. (Rhus L. in part) · Smoke Tree
HENDRIK KOLSTER
Solanum lycopersicum L. · Tomato
RIJK ZWAAN Zaadteelt en Zaadhandel B.V.
Prunus persica (L.) Batsch · Peach
Floyd Zaiger
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Saimon Hroen
Poa pratensis L. · Kentucky bluegrass
DLF-TRIFOLIUM DANSK PLANTEFORAEDLING
Cucumis melo L. · Melon
Enza Zaden Beheer B.V.
Lactuca sativa L. · Lettuce
RIJK ZWAAN Z.Z. B.V.
Chrysanthemum L. · Chrysanthemum
Van Zanten Breeding B.V.
Begonia boliviensis A. DC. · Bolivian begonia
A T Yates & Son
Prunus armeniaca L. · Apricot
Cot International S.A.R.L.
Clematis L. · Clematis
J.VAN ZOEST BEHEER B.V.
Prunus persica (L.) Batsch · Peach
Floyd Zaiger
Verbena L. · Vervain
Ushio Sakazaki