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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.

Vanilla Mist

Terminated

Nemesia foetens Venten · Nemesia

Greg Allen

1 record

USBENAS26

Terminated

Verbena L. · Vervain

Ushio Sakazaki

1 record

VOG 051

Withdrawn

Mandevilla sanderi (Hemsl.) Woodson · Brazilian jasmine

Graham N. Brown

1 record

Tesvalgirl

Active

Alstroemeria L. · Alstroemeria

Horti Partners V.O.F.

1 record

Tess

Active

Spiraea japonica L. f. · Japanese meadowsweet

Herman Geers Handelskwekerij B.V.

1 record

TOSTD0194

Active

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

Floha V.O.F

1 record

TAN10898

Active

Rosa L. · Rose

CHRISTIAN EVERS

1 record

YBAZ1885

Terminated

Rhododendron simsii Planch. · Indica azalea

Wendy Bergman

1 record

SUTCABL

Terminated

Sutera Roth · Sutera

Syngenta Seeds B.V.

1 record

White Feather

Application submitted

Liatris spicata (L.) Willd.

HARINI KORLIPARA

1 record

Supernova

Application submitted

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Slijkerman Breeding B.V.

1 record

Tirona Red

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

VPRU 17/49

Active

Rudbeckia hirta L. · Black-eyed Susan

CHARLES VALIN

1 record

Sunpa 4351

Application submitted

Mandevilla sanderi (Hemsl.) Woodson · Brazilian jasmine

Masahiro Yamada

1 record

USTUNI223

Terminated

Petunia Juss. · Petunia

Ushio Sakazaki

1 record

URIGS01

Withdrawn

Coreopsis L. · Tickseed

Kong Young Park

1 record

TAN12621

Active

Rosa L. · Rose

CHRISTIAN EVERS

1 record

TOSTB1521

Terminated

Pelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium

Floha V.O.F

1 record

TOSPRESORA

Active

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

Floha V.O.F

1 record

Staviski Red

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

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