Variety traits

Abundance and duration of flowering

Abundance and duration of flowering are phenological indicators reflecting the density of flowers on a plant and the time span of the flowering phase, which determine the potential productivity and adaptability of a variety.

Mentioned in descriptions 4 764 varieties reference book.

Duration of flowering characterizes the period in days during which the plant is in this phase, defining the crop's window of vulnerability to external factors. Abundance of flowering represents the quantitative or visual density of flowers on a plant, serving as an indicator of reproductive capacity and potential yield.

During variety testing, evaluation is carried out based on phenological dates, including the onset, peak, and end of flowering, as well as by using scoring scales. High scores are assigned to varieties with synchronous and uniform flowering without abnormalities, whereas low values indicate weak or uneven plant development.

These indicators are determined by the genetic characteristics of the variety, as well as by the influence of photoperiodism, temperature regime, and moisture availability. Flowering stability is evaluated by comparing with regionalized standard varieties, with deviations in timing of more than five days being considered significant for determining the maturity group.

Sources10

Breakdown by crop

Found in these crops

Rose 274 Moth Orchid 55 Clematis 51 Bigleaf hydrangea 49 Anthurium 45 Dahlia 41 Petunia 38 Chrysanthemum 38 Calibrachoa 37 Peach 32 Horseshoe pelargonium 28 New Guinea Impatiens 26

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Geneva

Active

Kalanchoe Adans. · Kalanchoe

Knud Jepsen A/S

1 record

Kerbelaxy

Application submitted

Primula vulgaris Huds. · Primrose

Kerley Co Ltd

1 record

HF 1110

Active

Helleborus x hybridus hort. ex Voss x Helleborus x nigercors J. T. Wall

Josef Heuger

1 record

Kermartha

Withdrawn

Petunia x atkinsiana D. Don · Garden petunia

Priscilla Grace Kerley, David William Kerley, Timothy Edward Kerley

1 record

Hilprot

Terminated

Dianthus caryophyllus L. · Carnation

HilverdaKooij B.V

1 record

JW1

Application submitted

Spiraea japonica L. f. · Japanese meadowsweet

Josephus A.E. Willemsen

1 record

Hilbechmay

Terminated

Dianthus caryophyllus L. · Carnation

HilverdaKooij B.V

1 record

HEUSPI856

Application submitted

Heuchera L. · Coral Flower

AB Kwekersrechten B.V.

1 record

Joey Calypso

Terminated

Anigozanthos Labill. · Kangaroo Paw

WORRALL ROSS J.

1 record

Intercomoruf

Terminated

Rosa L. · Rose

Interplant Roses B.V

1 record

INOSTCREME

Terminated

Osteospermum L. · Osteospermum

Silvia Hofmann

1 record

Festival Time

Terminated

Chrysanthemum L. · Chrysanthemum

Cleangro Ltd

1 record

Ingmulvere

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Syngenta Seeds B.V.

1 record

Febe

Active

Prunus persica (L.) Batsch · Peach

Geoplant Vivai S.r.l. Società Agricola

2 records

H218921

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

IPB126516

Active

Rosa L. · Rose

Interplant Roses B.V

1 record

Fantasy Love

Terminated

Anthurium-Andreanum-Hybriden · Anthurium

RijnPlant B.V.

1 record

Inupyel

Withdrawn

Nemesia foetens Venten · Nemesia

Silvia Hofmann^^^HENDRIK THEOBALD

1 record

EVIPO113

Active

Clematis L. · Clematis

Poulsen Roser A/S^^^Raymond J. Evison Ltd.

1 record

Firecracker

Active

Digitalis chalcantha (Svent. & O'Shan.) Albach et al. x Digitalis grandiflora Mill.

Hans A. Hansen

1 record

Hilpas

Terminated

Dianthus caryophyllus L. · Carnation

HilverdaKooij B.V

1 record

Frühgold

Terminated

Solanum tuberosum L. · Potato

Leonhard Hepting^^^Josef Schwarzfischer

2 records

Helix Bridge

Application submitted

Phalaenopsis Bl. · Moth Orchid

René Schoone

1 record

FLSAX19605

Active

Saxifraga x arendsii Engl. · Arends saxifrage

Florensis B.V.

1 record

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.