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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.

Interlolru

Terminated

Rosa L. · Rose

Interplant Roses B.V

1 record

Frytropic

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

EVEBLANC

Terminated

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

1 record

Frymojo

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

Hargalore

Terminated

Rosa L. · Rose

HARKNESS NEW ROSES LTD

1 record

Harzenith

Application submitted

Rosa L. · Rose

Harkness Global Ltd.

1 record

Evevic

Withdrawn

Rosa L. · Rose

Les Roses Anciennes André Eve S.A.S.

1 record

Delrouniparf

Active

Rosa L. · Rose

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

1 record

Frystereo

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

Frysilva

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

Frynippy

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

Frykwango

Terminated

Rosa L. · Rose

Gareth R. Fryer

1 record

Delcremorcot

Active

Rosa L. · Rose

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

1 record

Delcremo

Active

Rosa L. · Rose

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

1 record

Delbreddab

Active

Rosa L. · Rose

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

1 record

Deljaucien

Active

Rosa L. · Rose

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

1 record

Delflouge

Application submitted

Rosa L. · Rose

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

1 record

Bozvaz016

Withdrawn

Rosa L. · Rose

Pheno Geno Rose D.O.O.

1 record

Bozberraur

Withdrawn

Rosa L. · Rose

Pheno Geno Roses B.V.

1 record

Boruispewy

Active

Rosa L. · Rose

De Ruiter Intellectual Property B.V., Boot & Co. Boomkwekerijen B.V.

1 record

Bozvaz012

Terminated

Rosa L. · Rose

Pheno Geno Rose D.O.O.

1 record

BOZREKA026

Active

Rosa L. · Rose

Pheno Geno Roses B.V.

1 record

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