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.

Padre Lemon

Withdrawn

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

NERID 65165

Active

Prunus persica (L.) Batsch · Peach

Daniele Neri

2 records

Pactiored

Terminated

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

Martin Geibel

1 record

Mojo

Terminated

Saintpaulia ionantha H. Wendl. · African violet

INTERNATIONAL PLANT BREEDING (IPB) AG

1 record

PEARL495

Withdrawn

Echinacea Moench. · Coneflower

AB Kwekersrechten B.V.

1 record

Mignon 356

Application submitted

Prunus persica (L.) Batsch · Peach

Daniele Bassi^^^Stefano Foschi

1 record

PANAGA

Active

Agapanthus africanus (L.) Hoffmanns. · African lily

Nelly Panaget^^^Jean-Luc Panaget

1 record

Money Maker

Terminated

Crassula swaziensis Schönland

Team Grow How

1 record

Meisabeyla

Terminated

Rosa L. · Rose

Alain Antoine Meilland

1 record

Minedward

Terminated

Abelia R. Br. · Abelia

Hortival Diffusion S.A.S.

1 record

P16064

Withdrawn

Coreopsis rosea Nutt. · Pink coreopsis

Uriseed Institute

1 record

Meibuteen

Application submitted

Rosa L. · Rose

Alain Antoine Meilland

1 record

Medusa

Active

Allium senescens L. subsp. senescens x A. tanguticum Regel

Hans A. Hansen

1 record

Matangi

Withdrawn

Tulipa L. · Tulip

J. en P. Snoek en Zn. B.V.

1 record

NERID 02985

Active

Prunus persica (L.) Batsch · Peach

Daniele Neri

2 records

Mareva

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

2 records

Madagascar

Withdrawn

Ceanothus impressus Trel. · Santa Barbara ceanothus

NIGEL JOHN TIMPSON

1 record

LUX 3502

Active

Prunus persica (L.) Batsch · Peach

Arsène Maillard^^^Laurence Maillard^^^Ignasi Batlle^^^Cristian Fontich^^^Joaquim Carbó^^^Joan Bonany^^^Simó Alegre

2 records

Morning Yellow

Terminated

Clematis L. · Clematis

Robinson Charles Mitchell , Lorna Mildred Mitchell

1 record

Lilaro

Active

Vitis vinifera L. · Common grape vine

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

1 record

NIRPAYBLA

Terminated

Rosa L. · Rose

Alessandro Ghione

1 record

New Picasso

Terminated

Dianthus caryophyllus L. · Carnation

Barberet & Blanc S.A.

1 record

NERID 07577

Active

Prunus persica (L.) Batsch · Peach

Daniele Neri

2 records

Nebraska

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

2 records

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Cultivation

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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.