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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

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.

Dahlia Cav. · Dahlia

Verwer, Aad|Lisse, Netherlands

NL
5 records

Phalaenopsis Bl. · Moth Orchid

Martinus Nicolaas Gerardus van Swieten

5 records

Phoebe

Active

Kalanchoe Adans. · Kalanchoe

Knud Jepsen

5 records

Phalaenopsis Bl. · Moth Orchid

Van Swieten Martinus Nicolaas Gerardus

5 records

Poulpah030

Application submitted

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

5 records

Phalaenopsis Bl. · Moth Orchid

Van Swieten Martinus Nicolaas Gerardus

5 records

Phalaenopsis Bl. · Moth Orchid

Van Swieten Martinus Nicolaas Gerardus

6 records

Lilium L. · Lily

John William Blay|Violet Marylin Blay

5 records

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

5 records

Dune

Active

Gerbera L. · Gerbera

JAN L. EVELEENS

6 records

Gerbera L. · Gerbera

JAN L. EVELEENS

5 records

Chianti

Protection expired

Lilium L. · Lily

VLETTER FLORIS| Floris Vletter

DE NL PL
4 records

Tandinadi

Protection expired

Rosa L. · Rose

Tantau, Mathias

DK SE
4 records

Palisade

Protection expired

Chrysanthemum L. · Chrysanthemum

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

DK NL
5 records

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

NL PL
4 records

Residence

Protection expired

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
4 records

Pouldrik

Active

Rosa L. · Rose

Poulsen Roser A/S

PL
4 records

Rosa L. · Rose

Alain Antoine Meilland

FR
4 records

Corvette

Active

Lilium L. · Lily

Mak Breeding Rights B.V.

NL
4 records

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

5 records

Lilium L. · Lily

Testcentrum voor Siergewassen B.V.

4 records

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

4 records

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

4 records

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