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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.

Regal Yocheryl

Active

Chrysanthemum L. · Chrysanthemum

Mark A. Smith

2 records

JEWEL TIME

Terminated

Chrysanthemum L. · Chrysanthemum

Cleangro Ltd

DK
2 records

Pistache

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

NL
2 records

Cayman

Application submitted

Chrysanthemum L. · Chrysanthemum

Wain Peter

IT NL
2 records

Zembla Cream

Active

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

2 records

Bozkilbil

Terminated

Chrysanthemum L. · Chrysanthemum

François Bernard^^^Pierre Bernard

2 records

Zembla Funky

Terminated

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Zembla Sunny

Active

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

3 records

Arena

Terminated

Chrysanthemum L. · Chrysanthemum

Nicolaas P. Dekker

NL
2 records

Stamlorraine

Active

Chrysanthemum L. · Chrysanthemum

Jacques Stamens

2 records

Yoko Ono

Terminated

Chrysanthemum L. · Chrysanthemum

Dekker Breeding B.V

NL
2 records

DLFPIP

Withdrawn

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Jeanny

Terminated

Chrysanthemum L. · Chrysanthemum

Nicolaas P. Dekker

2 records

Destino Pink

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Elda White

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Guitsplende

Active

Chrysanthemum L. · Chrysanthemum

Ets. R. Guittet S.A.S.

2 records

Everest White

Terminated

Chrysanthemum L. · Chrysanthemum

Chrysanthemum Breeders Association Research B.V.

NL
2 records

Creanevavio

Active

Chrysanthemum L. · Chrysanthemum

Pierre Bernard^^^François Bernard

2 records

DLFGOET

Terminated

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Ficharming

Active

Chrysanthemum L. · Chrysanthemum

Fides B.V.

2 records

Veria Dark

Protection expired

Chrysanthemum L. · Chrysanthemum

Pieters Dirk

BE NL
2 records

Guitiza

Active

Chrysanthemum L. · Chrysanthemum

Maurice Guittet

2 records

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