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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.

Luxor

Active

Chrysanthemum L. · Chrysanthemum

Pierre Bernard^^^François Bernard

2 records

DLFLICIA

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Orlando

Terminated

Chrysanthemum L. · Chrysanthemum

Johan David

NL
2 records

Elliflor Pink

Active

Chrysanthemum L. · Chrysanthemum

Floritec Breeding B.V.

2 records

Yocovington

Protection expired

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

2 records

Riga

Active

Chrysanthemum L. · Chrysanthemum

FLORELITE CHRYSANTHS B.V.

2 records

Katinka

Active

Chrysanthemum L. · Chrysanthemum

FGB B.V.

2 records

Lariva Red

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

DLFLUGA5

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Yoirvine

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

2 records

Nero

Protection expired

Chrysanthemum L. · Chrysanthemum

N.V. JOLU-PLANT

BE
2 records

Merlini

Terminated

Chrysanthemum L. · Chrysanthemum

N.V. JOLU-PLANT

BE
2 records

Synyel Lucien

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

2 records

Padre White

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Dapitec

Active

Chrysanthemum L. · Chrysanthemum

Floritec Breeding B.V.

2 records

Padre Yellow

Active

Chrysanthemum L. · Chrysanthemum

Pieters Plant Production B.V.B.A.

2 records

DLFTISS1

Terminated

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Yotobago

Terminated

Chrysanthemum L. · Chrysanthemum

Wain Peter

2 records

Semira

Terminated

Chrysanthemum L. · Chrysanthemum

Segers Select C.V.

BE
2 records

DLFTISS3

Terminated

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Delisalma Cream

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

2 records

Isaura Yellow

Active

Chrysanthemum L. · Chrysanthemum

Johan David

2 records

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