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

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.

Korsetag

Active

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE HU NL PL

12 records

Delstriro

Active

Rosa L. · Rose

Société Nouvelle Pépinières et Roseraies Georges Delbard S.A.S.

14 records

Active

Rosa L. · Rose

Poulsen Roser A/S, Poulsen Roser A/S

10 records

Poulnye

Terminated

Rosa L. · Rose

Poulsen Roser AS, DK - 3480 Fredensborg

DE DK FI NL PL

10 records

Jeldaniran

Active

Rosa L. · Rose

ROBERT G. JELLY

DK ES FR IT SE

9 records

Meihouba

Active

Rosa L. · Rose

Meilland, Alain A.|Antibes, France

FR IT NL

9 records

Tan97544

Active

Rosa L. · Rose

Rosen Tantau KG

DE NL

9 records

Active

Prunus persica (L.) Batsch · Peach

Maillard Arsene / Maillard Laurence

11 records

USCAL83901

Active

Calibrachoa Cerv. · Calibrachoa

Ushio Sakazaki, Plant 21 LLC

10 records

Ausromeo

Active

Rosa L. · Rose

David J.C.Austin

9 records

Koredan

Active

Rosa L. · Rose

Wilhelm Kordes (DE)

DE FR NL PL SE

7 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.