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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.

Harpacific

Active

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

Harmedley

Active

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

HARKLEMENT

Terminated

Rosa L. · Rose

ROBERT HARKNESS

2 records

Harfond

Terminated

Rosa L. · Rose

HARKNESS NEW ROSES LTD

2 records

EVEPARO

Active

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

2 records

EVEMATCH

Active

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

2 records

EVELILI

Active

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

2 records

EVECOLEPI

Active

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

2 records

DICXOTIC

Protection expired

Rosa L. · Rose

Dickson Nurseries Ltd

2 records

Fryraffles

Active

Rosa L. · Rose

Gareth R. Fryer

2 records

Frywitty

Active

Rosa L. · Rose

Gareth R. Fryer

2 records

Dicwitness

Protection expired

Rosa L. · Rose

Dickson Nurseries Ltd

2 records

DICHIRAP

Application submitted

Rosa L. · Rose

MR COLIN DICKSON

2 records

Cocquiriam

Active

Rosa L. · Rose

JAMES COCKER AND SONS

3 records

Delrosu

Active

Rosa L. · Rose

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

2 records

EVEXCEN

Active

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

2 records

EVEMOR

Active

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

2 records

EVEACADO

Active

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

2 records

Delgraros

Active

Rosa L. · Rose

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

2 records

Chewpan

Protection expired

Rosa L. · Rose

WARNERS ROSES

2 records

Coctarlotte

Active

Rosa L. · Rose

JAMES COCKER AND SONS

3 records

Delparfroni

Active

Rosa L. · Rose

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

2 records

Dalwiter

Active

Rosa L. · Rose

Az. Agr. Novaspina di Davide Dalla Libera (Impresa Individuale)

2 records

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