Cultivation

Winter covering

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.

Sources10

Breakdown by crop

Found in these crops

Apple 613 Grapevine 393 Tomato 340 Peach 338 Melon 293 Cauliflower 270 Bell pepper 263 Perennial ryegrass 246 Rose 242 Cucumber 230 Watermelon 219 Bigleaf hydrangea 198

Varieties that feature this in their description

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.

Karaka Black

Active

Rubus L. subg. Rubus · Blackberry

Harvey K Hall

5 records

Interstellar

Active

Allium fistulosum L. · Welsh onion

SSC JP

3 records

Karlos

Active

Cucumis sativus L. · Cucumber

MORAVOSEED

3 records

Kapiti Peach

Active

Narcissus L. · Daffodil

M.H. van der Zon en Zn. V.O.F.

3 records

Jacretou

Active

Rosa L. · Rose

Zary Keith (US)

3 records

Ivy

Application submitted

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

6 records

Inverness

Terminated

Festuca rubra L. · Red fescue

PURE SEED TESTING

3 records

Imanoa

Active

Cucumis melo L. · Melon

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

4 records

Jogeva 433

Active

Trifolium pratense L. · Red clover

Heiti Kotkas

4 records

Hudson

Terminated

Festuca arundinacea Schreb. · Tall fescue

MCCARTHY RESEARCH FARM

3 records

Islandia

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

4 records

Izyd

Active

Cucumis sativus L. · Cucumber

Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa Spółka Akcyjna w upadłości likwidacyjnej \Instytut Ogrodnictwa - Państwowy Instytut Badawczy

5 records

Houndog 6

Active

Festuca arundinacea Schreb. · Tall fescue

DLF Trifolium A-S, DK

3 records

Hemera

Active

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

BEJO ZADEN

4 records

Hamlet

Protection expired

Solanum tuberosum L. · Potato

Landbrugets Kartoffelfond, Foraedlst., DK-7184 Vandel

5 records

Ids

Active

Capsicum annuum L. · Bell pepper

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

6 records

Iapar 61

Active

Avena strigosa Schreb. · Black oat

Instituto Agronómico de Paraná -IAPAR-

4 records

Halfdan

Active

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

4 records

Guru

Active

Lolium perenne L. · Perennial ryegrass

HBLFA Raumberg-Gumpenstein

4 records

Greencard

Terminated

Festuca rubra L. · Red fescue

DLF Seeds A/S

4 records

Gryps

Active

Lolium perenne L. · Perennial ryegrass

INVEST GRZEGORZ DABROWSKI

3 records

Helsufair

Protection expired

Rosa L. · Rose

Karl Hetzel

3 records

Grand Cru

Protection expired

Lilium L. · Lily

GEBR VLETTER and DEN HAAN

3 records

Herkolim

Active

Asparagus officinalis L. · Asparagus

Asparagus Beheer B.V.

4 records

1 2 ... 98 99 100 101 102 103 104 ... 359 360 Next

Jump to page 51 91 111 154 201 206 257 309

Cultivation

All terms →

Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.