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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.

Zeus

Application submitted

Euphorbia milii Des Moul. · Crown of thorns

Thomsen Steen|Sonderso, DK

2 records

White Royal

Application submitted

Campanula portenschlagiana Schult. · Dalmatian bellflower

Holde Charlotte|Odense N, DK

2 records

Wesverepea

Active

Verbena L. · Vervain

Westhoff Heinrich|Sudlohn, DE

2 records

Wescacham

Active

Calibrachoa Cerv. · Calibrachoa

Westhoff Heinrich

2 records

VER00329

Active

Hemerocallis L. · Daylily

Heemskerk Vasteplanten B.V.

2 records

Wesbalilac

Terminated

Sutera Roth · Sutera

Heinrich Westhoff

2 records

TRA35

Active

Clematis L. · Clematis

Travers Bernard

3 records

Veritas Orange

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

YANPAS

Active

Passiflora caerulea L. · Passion Flower

Stephen J. Yandall, Susan M. Yandall

2 records

USTUNI164

Active

Petunia Juss. · Petunia

Ushio Sakazaki

2 records

WALHIECLI

Active

Hybrids between Hibiscus paramutabilis and Hibiscus syriacus

Walberton Plants LTD

2 records

TAN09441

Active

Rosa L. · Rose

CHRISTIAN EVERS

2 records

TAN08273

Active

Rosa L. · Rose

CHRISTIAN EVERS

2 records

Wesvereme

Active

Verbena L. · Vervain

Westhoff Heinrich|Sudlohn, DE

2 records

Vivid VI

Active

Scabiosa L. · Pincushion flower

HARINI KORLIPARA

2 records

SVAZ0011

Application submitted

Scaevola aemula R. Br. · Fairy fan-flower

Syngenta Crop Protection AG

2 records

White Cora

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Knud Jepsen

2 records

White Cloud

Active

Rhaphiolepis indica (L.) Lindl. ex Ker Gawl. · Indian hawthorn

Wout van den Dool

2 records

VERBEAUTY2

Active

Helleborus niger L. · Christmas rose

Verboom Johannes

3 records

VER00330

Active

Hemerocallis L. · Daylily

Heemskerk Vasteplanten B.V.

2 records

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