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Variety traits

Chrysanthemum double-flowering

Chrysanthemum L.

Chrysanthemum double-flowering is a morphological trait determined by the ratio of ray florets to disc florets in the capitulum. It is a genetically determined cultivar characteristic rather than a pathology.

In the reference 344 varieties crop Chrysanthemum, where this is mentioned in the description.

The double-flowering trait is based on inflorescence structure: single forms contain 1–4 rows of ray florets, semi-double forms have at least five rows, and in double forms, almost all florets are ray florets. Evaluation is performed visually based on cultivar descriptors in DUS standards, with the degree of trait expression varying from the prevalence of disc florets to their complete replacement.

Although double-flowering is a genetic trait, its expression is influenced by external factors, including lighting conditions, temperature regimes, and agronomic indicators. Stressful conditions or the use of poor-quality planting material can lead to a decrease in the varietal typicality of inflorescences, which manifests as a loss of double-flowering and a transition to simpler morphological forms.

General information about the subject — on the page Double flowering / Reversion.

Sources8

Varieties of Chrysanthemum mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Zembla

Active

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

4 records

Zembla Lime

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

5 records

Dark Pink Gin

Protection expired

Chrysanthemum L. · Chrysanthemum

Lintott, Keith|Bognor Regis, England

NL
4 records

Zembla Yellow

Active

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

4 records

Fitcelebrate

Active

Chrysanthemum L. · Chrysanthemum

JOS KESTER

5 records

Sunny Elite Reagan

Terminated

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
4 records

DLFAR1

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

4 records

DLFROC3

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

4 records

DLFINN3

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

4 records

Bronze Casmo

Protection expired

Chrysanthemum L. · Chrysanthemum

VandenBerg, Cornelius P.

DK NL SE
4 records

Satin Pink Gin

Protection expired

Chrysanthemum L. · Chrysanthemum

SWALLOWFIELD HORTICULTURAL

NL
4 records

Casmo

Terminated

Chrysanthemum L. · Chrysanthemum

WILLIAM E DUFFETT

DK NL SE
4 records

Residence

Protection expired

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
4 records

DLFBLO4

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

4 records

Rebonnet

Protection expired

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
4 records

Fargo

Active

Chrysanthemum L. · Chrysanthemum

Vandenberg Cornelis P.|Salinas, CA

NL
4 records

Delifortune

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

4 records

Mona Lisa Sunny

Application submitted

Chrysanthemum L. · Chrysanthemum

Cornelis W. Dekker

2 records

DLFLICI6

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

3 records

Delifuego Dark

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

3 records

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