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 Gladiolus 25 Tulip 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.

Aktiva

Active

Lilium L. · Lily

TRIOR LELIE BV

4 records

MENUE'T

Active

Gladiolus L. · Gladiolus

GROMOV ANDREJ NIKOLAEVICh

3 records

Tainung No. 1 Pixie

Active

Phalaenopsis Bl. · Moth Orchid

Hsien-Chan Hsu

2 records

Royal Fantasy

Protection expired

Lilium L. · Lily

WERELD| J.W.A. van der Wereld

DE FR NL

3 records

Ornella

Terminated

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

FLORIST DE KWAKEL BV (NL)

FR HU PL

3 records

Yellow Palisade

Protection expired

Chrysanthemum L. · Chrysanthemum

WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT

DK NL

3 records

Aruba

Application submitted

Gerbera L. · Gerbera

EVELEENS JAN| Jan Eveleens

DE IT NL

3 records

Troika

Protection expired

Rosa L. · Rose

Poulsen, Niels Dines

PL SE

3 records

Remix

Active

Chrysanthemum L. · Chrysanthemum

VAN DER JAGT MARTINUS

IT NL

3 records

Pascal

Active

Gerbera L. · Gerbera

Schreurs, P.

IT NL

3 records

Monza

Protection expired

Gerbera L. · Gerbera

Boerlage, P.

IT NL

3 records

Milano

Active

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

FR NL

3 records

Loncerda

Active

Dianthus L. · Carnation

Lab. De Phys. Veget., Barberet Et Ducloux Et Cie

FR IT

3 records

Fredeking

Active

Gerbera L. · Gerbera

Meynet, J.

IT NL

3 records

Extase

Protection expired

Gerbera L. · Gerbera

Segers, Th A.|Hoofddorp, Netherlands

IT NL

3 records

White Mollie

Active

Phalaenopsis Bl. · Moth Orchid

René Schoone

3 records

Yellow Snowdon

Protection expired

Chrysanthemum L. · Chrysanthemum

Duffett, William E.|Salinas, CA

3 records

Vesper

Terminated

Gerbera L. · Gerbera

HilverdaFlorist B.V.

3 records

Time Out

Protection expired

Lilium L. · Lily

BISCHOFF TULLEKEN LELIES B.V.

3 records

Tanshei

Active

Rosa L. · Rose

HANS JURGEN EVERS (T)

3 records

Suntana

Active

Aster L. · Aster

Dehan, Klara|Holon, Israel

3 records

Starqueli

Active

Rosa L. · Rose

Starkl, Ludwig|Vienna, Austria

4 records

Santa Birgitta

Active

Chrysanthemum L. · Chrysanthemum

Fides B.V.

3 records

Romella

Active

Gerbera L. · Gerbera

Piet Schreurs Holding B.V.

3 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.