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Variety traits

Waxy bloom

Waxy bloom is a layer of wax-like substances on the surface of plant organs that acts as a protective barrier against moisture evaporation, overheating, and pests. This trait is genetically determined and serves as an important criterion for a variety's resistance to abiotic and biotic stresses.

Mentioned in descriptions 5 256 varieties reference book.

Waxy bloom (epicuticular wax) is a layer of substances on the surface of leaves, stems, and fruits that acts as a transpiration barrier, reducing moisture loss during drought conditions and reflecting ultraviolet radiation for protection against overheating. Visually, it manifests as a characteristic glaucous sheen on the plant's surface.

The intensity of bloom formation is determined by the genetic characteristics of the variety, but is subject to environmental factors. Wax synthesis increases at lower temperatures (below 15 °C), higher levels of UV radiation, and moisture deficit, which allows the plant to adapt to changing growing conditions.

In the state variety testing system, this trait is assessed visually by experts on a scoring scale, where the degree of expression is determined by comparison with an accepted standard. The presence of a strong waxy bloom increases the crop's resistance to pest damage, but creates a hydrophobic surface that requires a specific approach to the selection of adjuvants when conducting treatments.

Sources10

Breakdown by crop

Grape Bloom 530 Waxy bloom — white cabbage 290 Plum wax bloom 284 Grape bloom 214 Apple bloom 125 Waxy bloom — soft wheat 112 Waxy bloom — onion 73 Blueberry bloom 73 Waxy bloom — onion 64 Waxy bloom — red cabbage 54 Waxy bloom of barley 52 Waxy bloom — cauliflower 37 Gooseberry waxy bloom 34 Waxy bloom of garden carnation 33 Waxy bloom — leek 32 Waxy bloom of raspberry 28 Bloom — Japanese plum 28 Waxy bloom of garlic 23 Waxy bloom of watermelon 21 Waxy bloom — Savoy cabbage 21 Apple Waxy Bloom 18 Olive waxy bloom 14 Waxy bloom of pea 14 Waxy bloom of triticale 14

Found in these crops

Grapevine 490 European plum 292 White cabbage 288 Common grape vine 203 Apple 126 Bread wheat 109 Onion 73 Highbush blueberry 63 Onion 63 Red cabbage 53 Barley 44 Cauliflower 37

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.

Sword II

Active

Festuca trachyphylla (Hack.) Hack. · Hard fescue

CZ
1 record

Vestry F1

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

UA
1 record

SPULGA

Terminated

Vitis vinifera L. · Common grape vine

LV
1 record

TRES EN RAMA

Application submitted

Malus domestica (Suckow) Borkh. · Apple

ES
1 record

Vista Bella

Protection expired

Malus Mill. · Apple

SK
1 record

Skoroplodna-ja

Protection expired

Prunus domestica L. · European plum

LT
1 record

Verde de Carentan

Protection expired

Allium porrum L. · Leek

Semenarna Ljubljana, SI

SI
1 record

Taurus

Terminated

Brassica oleracea L. (Broccoli Group) · Broccoli

NL
1 record

Super ekstra F1

Application submitted

Brassica oleracea L. (White Cabbage Group) · White cabbage

UA
2 records

Superdukat

Terminated

Anethum graveolens L. · Dill

SE
1 record

SANTIAGUESA

Application submitted

Malus domestica (Suckow) Borkh. · Apple

ES
1 record

TRES EN CUNCA

Application submitted

Malus domestica (Suckow) Borkh. · Apple

ES
1 record

Spartan

Terminated

Malus Mill. · Apple

SK
1 record

Stenley

Protection expired

Prunus domestica L. · European plum

LT
1 record

Srbova Rana

Terminated

Prunus domestica L. · European plum

SK
1 record

Romaner

Protection expired

Prunus domestica L. · European plum

RO
1 record

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