Variety traits

Uniformity

Uniformity is an indicator of the homogeneity of a seed lot or plants in a crop based on traits such as size, height, maturity date, and habitus. High uniformity ensures even emergence and yield stability, which is critical for variety assessment and product quality.

Mentioned in descriptions 10 270 varieties reference book.

In agronomy and seed production, seed uniformity defines their homogeneity in size, most often thickness, which influences sowing quality. Crop uniformity characterizes the homogeneity of the plant stand in terms of height, phenological stage timing, and general plant habitus, which is important for the efficiency of mechanical harvesting.

During laboratory seed analysis, the indicator is expressed as a percentage representing the sum of the two most representative adjacent fractions. In variety testing, plant uniformity is evaluated visually or through the coefficient of variation of morphological traits. The lower the coefficient of variation, the higher the level of variety uniformity is considered to be.

The level of this trait depends on both the genetic characteristics of the variety and environmental conditions, including agronomic practices and meteorological factors during the seed formation period. Material with a uniformity of at least 80% is considered standard, and values below this threshold require mandatory calibration of the lot before sowing.

Sources10

Breakdown by crop

Tomato Uniformity 81 Uniformity — White Cabbage 79 Barley grain uniformity 68 Carrot uniformity 51 Potato Uniformity 47 Uniformity — Cauliflower 45 Uniformity of lettuce 40 Pepper uniformity 38 Radish uniformity 31 Uniformity — Onion 30 Uniformity of cucumber 23 Sunflower uniformity 21 Uniformity — Onion 20 Uniformity — soft wheat 19 Uniformity — Broccoli 16 Triticale Uniformity 15 Watermelon Uniformity 14 Bean uniformity 14 Uniformity — Brussels sprout 13 Uniformity — Red Cabbage 12 Uniformity of zucchini 11 Uniformity — Leek 10 Uniformity of Chrysanthemum 10 Pea uniformity 10

Found in these crops

Tomato 944 Bell pepper 415 Lettuce 371 Cucumber 272 Potato 256 White cabbage 242 Melon 231 Carrot 215 Cauliflower 192 Field pumpkin 149 Maize 146 Common bean 146

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.

Amrum

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

ILSE & SIEGFRIED DEHNE GBR

1 record

Banjax

Terminated

Chrysanthemum L. · Chrysanthemum

Cleangro Ltd

1 record

AN2772113

Active

Anthurium-Andreanum-Hybriden · Anthurium

Anthura B.V.

1 record

Balcongavim

Application submitted

Calibrachoa Cerv. · Calibrachoa

Laura L. Masor

1 record

Balcelilae

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

SCOTT C TREES

1 record

BALCEBLALI

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

KERRY MEYER STROPE

1 record

ATHENA

Withdrawn

Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket

A L TOZER LTD

1 record

Act Vida

Terminated

Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb

Evanthia B.V.

1 record

Act Dara

Active

Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb

Hendrik W. van der Velde

1 record

Arusha Dark Pink

Terminated

Chrysanthemum L. · Chrysanthemum

Nicolaas P. Dekker

1 record

AB8TWINTIG

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

AB BREEDING B.V.|A & P LANKHAAR HOLDING B.V.

1 record

AAOPR017

Active

Agapanthus africanus (L.) Hoffmanns. · African lily

Plant Select N.V.

1 record

AN2631609

Active

Anthurium-Andreanum-Hybriden · Anthurium

Anthura B.V.

1 record

AN2143048

Active

Anthurium-Andreanum-Hybriden · Anthurium

Anthura B.V.

1 record

Amy

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Knud Jepsen

1 record

Amiko Yellow

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

Alcedo

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Fides B.V.

1 record

Amarysola

Application submitted

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

1 record

Akemi

Terminated

Lilium L. · Lily

De Jong Beheer B.V.

1 record

A2508

Application submitted

Aechmea fasciata (Lindl.) Baker · Urn plant

Chester Skotak Jr.

1 record

Abyell

Withdrawn

Ranunculus L. · Buttercup

Biancheri Alberto I.I.

1 record

Act Zara

Active

Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb

Evanthia B.V.

1 record

Sontsedar

Terminated

Triticum aestivum L. · Bread wheat

Yamkova Olena Viktorivna, Masiuk Nina Oleksiivna, Soloshenko Olha Viktorivna, Panov Oleksandr Ihorovych, Vlasenko Svitlana Volodymyrivna,

2 records

Zenon F1

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

SJAAK VAN DER PLOEG

1 record

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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.