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.

Rave d'Auvergne tardive a collet rouge

Active

Brassica rapa L. var. rapa (L.) Thell. · Turnip

Domaine Public (FR)

1 record

Rarakoe

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Ir.J. van der Knaap c/o Fides Beheer B.V.

1 record

RAPHAELA

Active

Solanum melongena L. · Eggplant

JEAN-FRANcOIS GRILLAT

1 record

Rexoma F1

Active

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

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Red Marley

Application submitted

Allium cepa L. var. cepa · Onion

Bayer Holland B.V.

1 record

Red Garcia

Application submitted

Allium cepa L. var. cepa · Onion

Bayer Holland B.V.

1 record

Raduzhna

Terminated

Ribes nigrum L. · Blackcurrant

Kopan Volodymyr Pavlovych, Kopan` Kira Mykolaivna,

2 records

PSBO22158

Application submitted

Capsicum annuum L. · Bell pepper

SAKATA VEGETABLES EUROPE SAS

1 record

Pryzerka

Terminated

Prunus avium (L.) L. · Sweet cherry

Luchikova Liubov Oleksiivna, Tarasiuk Halyna Mykhailivna, Zdruikovs`ka Antonina Iosypivna, Oriekhova Valentyna Petrivna,

2 records

PV-968

Active

Phaseolus vulgaris L. · Common bean

KWS VEGETABLES B.V.

1 record

Pructor F1

Active

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

SJAAK VAN DER PLOEG

1 record

Purple Stone

Active

Tulipa L. · Tulip

Marax Tulips V.O.F.

1 record

Purpurovyi

Terminated

Juglans regia L. · Persian walnut

Khokhlov Serhii IUriiovych

2 records

Purple King

Active

Freesia Eckl. ex Klatt · Freesia

Penning Breeding B.V.

1 record

PSBY22100

Withdrawn

Capsicum annuum L. · Bell pepper

SAKATA VEGETABLES EUROPE SAS

1 record

PST 578

Terminated

Festuca arundinacea Schreb. · Tall fescue

TURF SEED EUROPE LTD

1 record

Primavera weiss

Terminated

Brassica oleracea L. (Kohlrabi Group) · Kohlrabi

WAVEREN| van Waveren Saaten GmbH

1 record

Prymadona Liuks F1

Application submitted

Solanum lycopersicum L. · Tomato

Panchev IUrii Ivanovych

2 records

Pryma liuks F1

Terminated

Solanum lycopersicum L. · Tomato

Panchev IUrii Ivanovych

2 records

Red Elstar Elshof

Withdrawn

Malus domestica (Suckow) Borkh. · Apple

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

2 records

Reaction F1

Terminated

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

Ger Bimsdeboer

1 record

Prolisok F1

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Khartmut Kliain, Troian Mykola Vasyl`ovych, Kondratenko Mykola Viktorovych,

2 records

Prismatica F1

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Dr. Mario Martinelli

2 records

Prism

Active

Cucurbita moschata Duchesne · Butternut squash

Seed Supply Foundation

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.