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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.

PacPZ19549

Active

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

Martin Geibel c/o Elsner pac Jungpflanzen GbR

2 records

Mazurka

Terminated

Clematis L. · Clematis

Miyata Fukutaro

2 records

MI02815

Active

Phalaenopsis Bl. · Moth Orchid

Microflor N.V.

2 records

OPSTAL103

Application submitted

Abelia x grandiflora Rehder · Glossy abelia

Ron van Opstal Holding B.V.

3 records

Novasnow

Terminated

Sutera Roth · Sutera

HENDRIK THEOBALD

3 records

MIYOPEEA

Active

Petunia Juss. · Petunia

Miyoshi & Co.

2 records

Leonie

Active

Begonia x hiemalis Fotsch · Elatior Begonia

Josef Heuger

2 records

MANZ0029

Active

Mandevilla sanderi (Hemsl.) Woodson · Brazilian jasmine

Syngenta Crop Protection AG

2 records

LAAZ0014

Active

Lavandula angustifolia Mill. · English lavender

Syngenta Crop Protection AG

2 records

LVPI1801

Active

hybrids between Pelargonium peltatum and Pelargonium zonale · Ivy-leaved geranium

Lazzeri Carlo

2 records

KUEGRAROW

Active

Hybrids between Pelargonium crispum and Pelargonium x domesticum

Michael Wiedemann^^^Christa Hofmann^^^Klaus Olbricht^^^Katrin Meinl

2 records

MINSAM9

Active

Rhododendron molle (Blume) G. Don · Chinese azalea

Hortival Diffusion S.A.S.

2 records

LISSVERY

Active

Perovskia atriplicifolia Benth. · Russian sage

Liss Forest Nursery Ltd

2 records

Kortacass

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

2 records

LISSPIN

Active

Caryopteris x clandonensis A. Simmonds ex anon. · Clandon bluebeard

Liss Forest Nursery Ltd

3 records

Meibeljenb

Active

Rosa L. · Rose

Alain Antoine Meilland

2 records

Miss Pinky

Active

Anisodontea scabrosa (L.) Bates

G. J. MOOLMAN

2 records

Lulumex

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

Angelika Utecht

2 records

KORpot121

Active

Rosa L. · Rose

WILHELM-ALEXANDER KORDES

2 records

Meilitchy

Active

Rosa L. · Rose

Alain Antoine Meilland

2 records

Madrid

Terminated

Hibiscus rosa-sinensis L. · Chinese hibiscus

Coöperatieve Vereniging Werkgroep Hibiscus U.A.

2 records

Korclagran

Active

Rosa L. · Rose

WILHELM-ALEXANDER KORDES

2 records

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