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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

Abundance and duration of rose flowering 372 Abundance and Duration of Phalaenopsis Flowering 61 Abundance and Duration of Clematis Flowering 61 Abundance and Duration of Petunia Flowering 60 Abundance and duration of flowering — Hydrangea macrophylla 59 Abundance and duration of Dahlia flowering 51 Abundance and Duration of Chrysanthemum Flowering 50 Abundance and duration of flowering — Anthurium andraeanum 47 Abundance and Duration of Flowering — New Guinea Impatiens 38 Abundance and duration of flowering — Pelargonium zonale 36 Abundance and duration of peach flowering 34 Abundance and duration of Pelargonium flowering 32 Abundance and Duration of Fuchsia Flowering 25 Abundance and duration of Alstroemeria flowering 25 Abundance and duration of Dianthus caryophyllus flowering 24 Abundance and Duration of Flowering — Begonia elatior 24 Verbena flowering duration and abundance 21 Abundance and duration of Saintpaulia flowering 19 Abundance and duration of potato flowering 18 Abundance and duration of Nemesia flowering 17 Abundance and duration of flowering — Pelargonium peltatum 16 Flowering abundance and duration — Impatiens walleriana 15 Abundance and duration of flowering — Mandevilla sanderi 14 Abundance and Duration of Flowering — Pelargonium (hybrids) 13

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.

RYN2007046

Terminated

Anthurium-Andreanum-Hybriden · Anthurium

RijnPlant B.V.

1 record

Ruttenfirst

Active

Buddleja davidii Franch. · Butterfly bush

Pierre Rutten

1 record

RUICN1630A

Active

Rosa L. · Rose

De Ruiter Intellectual Property B.V.

1 record

Salsa

Terminated

Dahlia Cav. · Dahlia

Green Works International B.V.

1 record

RUDPA297

Active

Rudbeckia hirta L. · Black-eyed Susan

Nova Perenne B.V.

1 record

SCABLHATIS

Terminated

Scaevola saligna G. Forst.

Danziger-Dan Flower Farm

1 record

Rosy Wave

Terminated

Petunia Juss. · Petunia

KIRIN BREWERY CO LTD

1 record

RYN2007067

Terminated

Anthurium-Andreanum-Hybriden · Anthurium

RijnPlant B.V.

1 record

Shirley

Terminated

Kalanchoe Adans. · Kalanchoe

Knud Jepsen

1 record

RS-BW

Application submitted

Catalpa bignonioides Walter · catawba

Reinhard Schomberg Klee

1 record

Secret Love

Terminated

Hybrids between Echinacea purpurea (L.) Moench and Echinacea paradoxa (Norton) Britton

HARINI KORLIPARA

1 record

RYN2007008

Terminated

Anthurium-Andreanum-Hybriden · Anthurium

RijnPlant B.V.

1 record

Roman Red

Active

Salvia darcyi x Salvia splendens

Christa Kievit

1 record

Purple Pacal

Terminated

Dianthus L. · Carnation

P.Kooij & Zonen B.V.

1 record

RIJN200679

Terminated

Anthurium-Andreanum-Hybriden · Anthurium

RijnPlant B.V.

1 record

Rhiannon

Active

Hybrids between Chamelaucium uncinatum and Chamelaucium megalopetalum

Botanic Gardens and Parks Authority

1 record

SAKZIN013

Terminated

Zinnia x marylandica D. M. Spooner et al.

Sakata Ornamentals Europe A/S

1 record

Pleasure

Terminated

Dianthus L. · Carnation

Flavio Costanzo Sapia

1 record

POULPMT010

Application submitted

Rosa L. · Rose

Poulsen Roser A/S

1 record

POULPAH103

Active

Rosa L. · Rose

Poulsen Roser A/S

1 record

Rambofling

Terminated

Anigozanthos bicolor x Anigozanthos humilis

Ian Angus Stewart

1 record

Rothlav

Terminated

Sutera Roth · Sutera

REINHARD W.ROTHER

1 record

Polylap

Withdrawn

Polygala L.

MAURIZIO LAPPONI

1 record

PHA801803

Application submitted

Phalaenopsis Bl. · Moth Orchid

Anthura B.V.

1 record

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