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Variety traits

Rose Flower Fragrance

Rosa L.

Rose fragrance is an important varietal trait evaluated organoleptically using point scales. Scent intensity is genetically determined by a recessive gene and is highly dependent on the flower opening stage, time of day, lighting, and the agrotechnical condition of the plant.

In the reference 242 varieties crop Rose, where this is mentioned in the description.

To quantitatively assess the fragrance in Rosa L., point systems based on the organoleptic method are used, where 1 point corresponds to no scent or a faint scent, and higher points correspond to a pronounced fragrance. The complexity of breeding for this trait is due to the recessive nature of the gene responsible for scent intensity, which was often sacrificed during selection for hardiness and vase life.

The intensity of the fragrance is strongly influenced by environmental factors: peak intensity is observed during the semi-open flower phase under warm, sunny, and calm weather conditions, primarily in the morning hours from 9 to 11. Adverse conditions, such as heat above 30 degrees, high humidity, a shortage of sunlight of less than 6–8 hours per day, or a suppressed state of the bush, lead to a significant decrease in scent intensity.

General information about the subject — on the page Flower fragrance.

Sources8

Varieties of Rose 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.

Felixia

Application submitted

Rosa L. · Rose

ONORATO PIERANGELO

IT
1 record

EMERA

Terminated

Rosa L. · Rose

WERNER NOACK

ES
1 record

Ernye

Active

Rosa L. · Rose

Mark Gergely / Mark Gergelyne

HU
2 records

DORGRAN

Terminated

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
1 record

ENIJA

Active

Rosa L. · Rose

Dzidra Rieksta

LV
1 record

DORMODE

Terminated

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
1 record

DUFTWOLKE

Terminated

Rosa L. · Rose

MATHIAS TANTAU

DK
1 record

DORFRAM

Terminated

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
1 record

DOREPIN

Withdrawn

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
1 record

DORLANG

Terminated

Rosa L. · Rose

Francois Dorieux (FR)

FR
1 record

DICSOLTOG

Active

Rosa L. · Rose

Dickson Nurseries Ltd (IE)

FR
1 record

DELVIOLA

Protection expired

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
1 record

DELSAMROS

Terminated

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
1 record

DUCPGF

Active

Rosa L. · Rose

Ducher Fabien (FR)

FR
1 record

DELBLAN

Terminated

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
1 record

DELBLABE

Withdrawn

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
1 record

Dickarl

Terminated

Rosa L. · Rose

Colin Dickson c/o Dickson Nurseries Limited

DE
1 record

DORPIMP

Withdrawn

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
1 record

DORROUG

Withdrawn

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
1 record

Dorsand

Terminated

Rosa L. · Rose

Francois Dorieux

DE
1 record

DORBEST

Terminated

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
1 record

DELPARO

Terminated

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
2 records

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