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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

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.

Prunus persica (L.) Batsch · Peach

Daniele Bassi

2 records

Queen Elsa

Application submitted

Prunus salicina Lindl. · Japanese plum

Stargrow Cultivar Development Pty Ltd

1 record

Pink Leyla

Terminated

Streptocarpus x hybridus Voss · Cape primrose

Fleischle Gartenbau GbR

1 record

Poulnana

Terminated

Rosa L. · Rose

Poulsen Roser A/S

1 record

PEHY0083

Active

Petunia Juss. · Petunia

Syngenta Crop Protection AG

1 record

Malus domestica (Suckow) Borkh. · Apple

Purdue Research Foundation (PRF)

1 record

PAS501342

Withdrawn

Lobularia maritima (L.) Desv. · Sweet alyssum

Troy Thorup

1 record

Noecsix

Terminated

Echinacea purpurea (L.) Moench · Purple coneflower

Marco van Noort Breeding B.V.

1 record

Paularo White

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

Prunus persica (L.) Batsch · Peach

Daniele Neri

1 record

Prunus salicina Lindl. · Japanese plum

Salvatore Martelli

2 records

OVROCKS13

Application submitted

x Aristeria beguinii (Radl) M. H. J. van der Meer

Ovata B.V.

1 record

Origami

Application submitted

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

1 record

Pink Beauty

Application submitted

Anigozanthos flavidus DC. · Tall kangaroo paw

Koene & Zn. V.O.F.

1 record

PHA925456

Application submitted

Phalaenopsis Bl. · Moth Orchid

Anthura B.V.

2 records

Orenga

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

2 records

Molfetta

Terminated

Chrysanthemum L. · Chrysanthemum

Pieters Plant Production B.V.B.A.

1 record

Nirosa 2

Active

Prunus armeniaca L. · Apricot

Daniele Bassi^^^Stefano Foschi

2 records

Minja

Active

Fragaria vesca L. · Wild strawberry

Maatalouden tutkimuskeskus (MTTK) (later: Maa- ja elintarviketaouden tutkimuskeskus (MTT)/ Present Luonnonvarakeskus (Luke))

1 record

Millesimo

Terminated

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

1 record

Oosttrio

Terminated

Tibouchina urvilleana (DC.) Cogn. · Princess flower

GIJSBERTUS C. OOSTVEEN

2 records

Mont Blanc

Terminated

Rhododendron L. · Azalea

L.J. van der Meer B.V.

1 record

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