Variety traits

Flower diameter

Flower diameter is a morphological trait of a variety used to assess ornamental quality, commercial value, and plant identification during variety testing.

Mentioned in descriptions 2 318 varieties reference book.

Flower diameter is an important morphological indicator that characterizes the varietal traits of a plant and its aesthetic value. In the process of varietal identification, this trait is recorded in centimeters or millimeters using measuring rulers during the mass flowering phase, with measurements taken on several plants at different points of the plot to obtain reliable average data.

The value of this indicator is determined by the genetic potential of the variety, although its actual realization directly depends on external conditions, including light, temperature, humidity, and the level of mineral nutrition. In some crops, an inverse correlation is observed between the total number of flowers on an inflorescence and their size, which is linked to the effect of intraspecific competition for nutrients.

During variety trials, flower diameter parameters are evaluated in comparison with the generally accepted standard for a specific species, as there are no absolute quality criteria. Depending on the methodology, scoring scales may be used where flower size correlates with a gradation of ornamental value, and the values from the official description of the breeding achievement are attained only when optimal agricultural practices are followed.

Sources10

Breakdown by crop

Gerbera flower diameter 132 Rose flower diameter 106 Chrysanthemum Inflorescence Diameter 97 Lily flower diameter 88 Phalaenopsis flower diameter 77 Hippeastrum flower diameter 35 Dahlia inflorescence diameter 31 Tulip flower diameter 28 Gladiolus flower diameter 28 Gerbera inflorescence diameter 26 Flower diameter — Garden Chrysanthemum 22 Zantedeschia Spathe Size 15 Flower diameter — Chrysanthemum indicum 11 Anthurium spathe size 9 Dianthus flower diameter 9 Clematis flower diameter 9 Narcissus flower diameter 8 Flower diameter — Anthurium andraeanum 7 Carnation flower diameter 7 Flower diameter — Pelargonium zonale 6 Flower diameter — China aster 5 Iris flower diameter 5 Flower diameter — Impatiens walleriana 4 Kalanchoe flower diameter 4

Found in these crops

Rose 98 Gerbera 89 Lily 83 Moth Orchid 75 Chrysanthemum 63 Amaryllis 33 Tulip 25 Gladiolus 25 Dahlia 22 Barberton daisy 15 Florist's daisy 14 Arum-lily 11

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.

Venetian Carnival

Terminated

Phalaenopsis Bl. · Moth Orchid

René Schoone

2 records

Zanloremp

Active

Lilium L. · Lily

Van Zanten Flowerbulbs B.V

2 records

Tornado

Active

Aeschynanthus Jack · Lipstick plant

BS Plant B.V.

2 records

Zembla Cream

Active

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

2 records

Yara

Active

Phalaenopsis Bl. · Moth Orchid

Floréac N.V.

2 records

Woodpecker Dark

Terminated

Chrysanthemum L. · Chrysanthemum

Fides B.V.

2 records

White Pop

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

J.W.P. Kolk Bloemen B.V.

2 records

Yofabienne

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

2 records

Tiramisu

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

2 records

Swenym

Active

Hippeastrum Herb. · Amaryllis

TON PETER VAN NIEUWKERK

3 records

Toast

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

2 records

VEAZ0008

Terminated

Verbena L. · Vervain

Syngenta Crop Protection AG

2 records

Tomer Orange

Active

Ranunculus asiaticus L. · Persian buttercup

UMIEL NAKDIMON^^^HAGILADI AMIR^^^OZERI YECHIEL

2 records

Trophy

Application submitted

Gerbera L. · Gerbera

Holstein Select B.V.

2 records

Sugar Babe

Active

Gladiolus L. · Gladiolus

Coöperatieve Kwekersvereniging "For Ever" U.A.

2 records

Tan05045

Terminated

Rosa L. · Rose

CHRISTIAN EVERS

2 records

Stratosphere

Active

Lilium L. · Lily

Testcentrum voor Siergewassen B.V.

2 records

Tomer Red

Active

Ranunculus asiaticus L. · Persian buttercup

UMIEL NAKDIMON^^^HAGILADI AMIR^^^OZERI YECHIEL

2 records

Sundee

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

2 records

Swansea

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

Sotara

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

2 records

Striped Garden

Active

Hippeastrum Herb. · Amaryllis

Ben van Geest

3 records

Sunsenebaibai

Active

Pericallis x hybrida (Scheidw.) B. Nord. · Cineraria

Kiyoshi Miyazaki

2 records

SAKOST8434

Terminated

Osteospermum L. · Osteospermum

Sakata Ornamentals Europe A/S

2 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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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.