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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.

Sheena

Active

Chrysanthemum L. · Chrysanthemum

Machin, Barrie J.|Lee-on-Solent, England

IT NL
6 records

Ovaro

Protection expired

Chrysanthemum L. · Chrysanthemum

WILLIAM E DUFFETT

DK NL SE
6 records

Lindayo

Terminated

Chrysanthemum L. · Chrysanthemum

Vandenberg Cornelis P

DK IT NL
6 records

Delibaltica

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

6 records

Arctic Queen

Active

Chrysanthemum L. · Chrysanthemum

JOS KESTER

6 records

Red Delano

Protection expired

Chrysanthemum L. · Chrysanthemum

Yoder Brothers Inc

DK NL SE
5 records

DLFCOP2

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

5 records

DLFARIS1

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

5 records

DLFALT2

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

5 records

Circus

Protection expired

Chrysanthemum L. · Chrysanthemum

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

DK NL SE
5 records

Zembla Yellow

Active

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

4 records

Zembla Lime

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

5 records

Zembla

Active

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

4 records

Sunny Elite Reagan

Terminated

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
4 records

Satin Pink Gin

Protection expired

Chrysanthemum L. · Chrysanthemum

SWALLOWFIELD HORTICULTURAL

NL
4 records

Residence

Protection expired

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
4 records

Rebonnet

Protection expired

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
4 records

Orantec

Active

Chrysanthemum L. · Chrysanthemum

Floritec Breeding BV

4 records

Fitcelebrate

Active

Chrysanthemum L. · Chrysanthemum

JOS KESTER

5 records

Fidchryveron

Active

Chrysanthemum L. · Chrysanthemum

JOS KESTER

4 records

Fargo

Active

Chrysanthemum L. · Chrysanthemum

Vandenberg Cornelis P.|Salinas, CA

NL
4 records

DLFVARE6

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

4 records

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