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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.

Koranderer

Protection expired

Rosa L. · Rose

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

DE NL PL
5 records

Korlady

Protection expired

Rosa L. · Rose

W. Kordes Sohne Rosenschulen GmbH & Co KG| DE

BE DE FR
5 records

Korfeimot

Protection expired

Rosa L. · Rose

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

DE NL PL
5 records

Interop

Protection expired

Rosa L. · Rose

MR PETER ILSINK

DK FR NL
5 records

Korimro

Protection expired

Rosa L. · Rose

W. Kordes Sohne Rosenschulen GmbH & Co KG| DE

DE FR NL
5 records

Esther Ofarim

Protection expired

Rosa L. · Rose

W.KORDES'SOHNE

DE NL SE
5 records

Tanobmil

Active

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

PL UA
5 records

Tandrib

Active

Rosa L. · Rose

HANS JURGEN EVERS (T)

DE NL
5 records

Pouloma

Active

Rosa L. · Rose

Poulsen Roser Aps (DK)

FR PL
5 records

Poulrim

Active

Rosa L. · Rose

Poulsen Roser A/S

DK PL
5 records

Poulduce

Protection expired

Rosa L. · Rose

Poulsen Roser A/S

DK PL
6 records

POULmax

Application submitted

Rosa L. · Rose

Poulsen Roser A/S

DK PL
6 records

Meigronuri

Protection expired

Rosa L. · Rose

SNC Meilland et Cie

ES FR
5 records

Meibrinpay

Active

Rosa L. · Rose

Meilland, Alain A.|Antibes, France

FR IT
5 records

Meirokoi

Active

Rosa L. · Rose

MR ALAIN MEILLAND

FR IT
6 records

Meisocrat

Active

Rosa L. · Rose

MR ALAIN MEILLAND

FR IT
5 records

Meineyta

Terminated

Rosa L. · Rose

MEILLAND ALAIN ANTOINE

FR IT
5 records

Meicairma

Protection expired

Rosa L. · Rose

MEILLAND ALAIN ANTOINE

FR IT
5 records

Korparesni

Protection expired

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE PL
5 records

Korverlandus

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE PL
5 records

Korsorb

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE NL
5 records

Korpancom

Active

Rosa L. · Rose

Wilhelm Kordes, W Kordes' Sohne

DE PL
5 records

Korholst

Protection expired

Rosa L. · Rose

W. Kordes Sohne Rosenschulen GmbH & Co KG| DE

DE FR
5 records

Jacient

Protection expired

Rosa L. · Rose

William A. Warriner c/o Jackson & Perkins Co

DE FR
5 records

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