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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.

Meiblam

Active

Rosa L. · Rose

Meilland, Marie-Louise

DK FR IT SE
6 records

Laminuette

Protection expired

Rosa L. · Rose

WALTER E. LAMMERTS

DK FR NL SE
6 records

Greta

Active

Rosa L. · Rose

Meilland International S.A.

ES FR IT NL
6 records

Tanakinom

Active

Rosa L. · Rose

Rosen Tantau KG

DE HU NL
6 records

Tanettelur

Active

Rosa L. · Rose

ROSEN-TANTAU MATHIAS-TANT

DK ES NL
6 records

Tanefle

Active

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

DE FR PL
6 records

Poulrust

Active

Rosa L. · Rose

Poulsen Roser A/S

DK NL PL
6 records

Poulgode

Terminated

Rosa L. · Rose

Poulsen Roser A/S

DK NL PL
7 records

Poulester

Terminated

Rosa L. · Rose

Poulsen Roser A/S

DE DK NL
6 records

Poulrijk

Active

Rosa L. · Rose

Poulsen Roser A/S

DK NL PL
7 records

Macrexy

Protection expired

Rosa L. · Rose

Samuel McGredy

DE DK FR
6 records

Meitulimon

Active

Rosa L. · Rose

SNC Meilland et Cie

ES FR IT
6 records

Mormum

Active

Rosa L. · Rose

Ralph S, Moore

DK FR IT
6 records

Meipierar

Active

Rosa L. · Rose

Meilland, Alain A.|Antibes, France

DK FR IT
6 records

Meidarwet

Active

Rosa L. · Rose

MEILLAND STAR ROSE

DE NL PL
8 records

Meibrico

Protection expired

Rosa L. · Rose

Meilland, Alain Antoine/Paolino, Marie-Louise

DK FR SE
6 records

Korsaku

Active

Rosa L. · Rose

W. KORDES'SOHNE ROSENSCHULEN GMBH & CO KG

DE NL PL
6 records

Meiji Katarsar

Active

Rosa L. · Rose

Meilland, Marie-Louise|deceased, late of Antibes, France, by Jean-Pierre Le Naour, legal representative

DE FR IT
6 records

Meiparnin

Active

Rosa L. · Rose

Meilland, Alain A.|Antibes, France

DE FR IT
7 records

Meirandival

Active

Rosa L. · Rose

SNC Meilland et Cie

ES FR IT
6 records

Kormeneint

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE HU PL
6 records

Korverpea

Protection expired

Rosa L. · Rose

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

DE NL PL
6 records

Tananaistrua

Active

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

DE PL
6 records

POULtry

Application submitted

Rosa L. · Rose

Poulsen Roser A/S

DK PL
7 records

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