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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.

Meibarum

Active

Rosa L. · Rose

MEILLAND INTERNACIONAL

FR
4 records

Meifaissel

Active

Rosa L. · Rose

Meilland Alain A.|Antibes, FR

FR
4 records

Meidarin

Active

Rosa L. · Rose

Meilland International S.A.

FR
4 records

Meilmera

Active

Rosa L. · Rose

SNC Meilland & Cie

FR
5 records

Meipitac

Protection expired

Rosa L. · Rose

Meilland, Alain A.|Antibes, France

FR
4 records

Macnewye

Protection expired

Rosa L. · Rose

Samuel McGredy

FR
4 records

Korkitoek

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

PL
4 records

Korfungo

Terminated

Rosa L. · Rose

Wilhelm Kordes / Tim-Hermann Kordes / Margarita Kordes in Fa. W. Kordes' Söhne Rosenschulen GmbH & Co KG

DE
4 records

Korpatetof

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE
4 records

Korhokhel

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE
4 records

Kormalda

Protection expired

Rosa L. · Rose

W. KORDES'SOHNE ROSENSCHULEN GMBH & CO KG

DE
4 records

Kordaelf

Active

Rosa L. · Rose

Wilhelm Kordes, W. Kordes' Sohne Rosenschulen GmbH & Co KG

DE
4 records

Korjafir

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

PL
4 records

Korgosumu

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE
4 records

Korduvo

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

NL
4 records

Korterschi

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE
4 records

Ivtagolf

Active

Rosa L. · Rose

STICHTING DLO-CENTRUM VOOR PLANTENVEREDELINGS-EN

NL
4 records

Intertrorasa

Active

Rosa L. · Rose

Interplant Roses B.V

UA
5 records

Harvintage

Protection expired

Rosa L. · Rose

R HARKNESS and CO LTD

FR
4 records

Dicobey

Protection expired

Rosa L. · Rose

Dickson Nurseries Ltd

IE
4 records

DELSENT

Active

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
5 records

Diana

Protection expired

Rosa L. · Rose

Rosen Tantau KG

RO
4 records

Delstrorange

Active

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
4 records

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