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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 Chrysanthemum 38 Petunia 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.

Pandora

Withdrawn

Phalaenopsis Bl. · Moth Orchid

NL
1 record

Podkrkonoší

Protection expired

Begonia Semperflorens-Cultorum Group · Bedding Begonia

SK
1 record

Ogonba

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Yamamoto T.

FR
1 record

Ohnivý paprsek

Protection expired

Coreopsis tinctoria Nutt. · Calliopsis

SK
1 record

Little Dorit

Protection expired

Ageratum houstonianum Mill. · Flossflower

SK
1 record

MERCURIUS

Active

Prunus laurocerasus L. · Cherry laurel

Information not available - Contact NL authorities

NL
1 record

Mistral

Protection expired

Rosa L. · Rose

NL
1 record

Mézelo Grófi

Application submitted

Robinia pseudoacacia L. · Black locust

HU
1 record

Mariëlle

Active

Freesia Eckl. ex Klatt · Freesia

NL
2 records

Kunert

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Matthes F.

FR
1 record

Maman

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Dublanchet JC

FR
1 record

Hanuhl

Protection expired

Rosa L. · Rose

NL
1 record

Karlštejn

Terminated

Rhododendron L. · Azalea

CZ
1 record

ILZE

Terminated

Rhododendron L. · Azalea

LV
1 record

Hachijochidori

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Ishii Masanori

FR
1 record

Heinrich Seidel

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Matthes F.

FR
1 record

Festivo

Protection expired

Dahlia Cav. · Dahlia

NL
1 record

Hotspot

Protection expired

Phalaenopsis Bl. · Moth Orchid

NL
1 record

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