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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.

Korfullwind

Active

Rosa L. · Rose

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

BE DE NL PL
8 records

Korpitelo

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE FI NL PT
8 records

Korkleiva

Active

Rosa L. · Rose

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

DE DK NL SE
8 records

Taneivom

Active

Rosa L. · Rose

Hans-Juergen Evers

DE FI NL
8 records

Pouleas

Application submitted

Rosa L. · Rose

POULSEN ROSER A/S

DK NL PL
9 records

Poullen

Protection expired

Rosa L. · Rose

Poulsen Roser A/S

DK NL PL
9 records

Meioffic

Active

Rosa L. · Rose

Meilland, Alain A.|Antibes, France

DE FR IT
8 records

Korbasren

Protection expired

Rosa L. · Rose

Wilhelm Kordes (DE)/Margarita Kordes (DE)/Tim-Hermann Kordes (DE)

DE FR NL
8 records

WEKpaltlez

Active

Rosa L. · Rose

Weeks Roses Inc (US)

FR NL
8 records

Intertrogol

Active

Rosa L. · Rose

Interplant Roses B.V

DE NL
8 records

Tan02474

Active

Rosa L. · Rose

HANS JURGEN EVERS (T)

8 records

Wekplapep

Active

Rosa L. · Rose

Weeks Roses

FR
8 records

Scherendee

Active

Rosa L. · Rose

SCHREURS PETRUS NICOLAAS JOHANNES

UA
11 records

POULharmu

Active

Rosa L. · Rose

Poulsen Roser A/S

PL
8 records

Pouldra

Active

Rosa L. · Rose

Poulsen Roser ApS

PL
8 records

Noalesa

Active

Rosa L. · Rose

Reinhard Noack, Reinhard Noack

DE
8 records

Meisponge

Active

Rosa L. · Rose

MEILLAND INTERNACIONAL

FR
8 records

Meidrason

Active

Rosa L. · Rose

Meilland Alain A.|Antibes, FR

FR
8 records

Keimateo

Active

Rosa L. · Rose

TOMOO UMEDA

FR
10 records

Delstribuc

Active

Rosa L. · Rose

Société Nouvelle Pépinières et Roseraies Georges Delbard S.A.S.

FR
8 records

Aussal

Active

Rosa L. · Rose

David J.C.Austin

FR
8 records

Ausgold

Active

Rosa L. · Rose

David Austin

FR
8 records

POULslas

Application submitted

Rosa L. · Rose

Poulsen Roser A/S

8 records

Poulmist

Active

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

8 records

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