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.

Attilio F1

Withdrawn

Daucus carota L. · Carrot

Daniel Gabillard

2 records

Antelope F1

Terminated

Allium cepa L. · Onion

Scott Hendricks

2 records

Amélioré de Bourbonne

Active

Cucumis sativus L. · Cucumber

Domaine Public (FR)

1 record

Antarctica Sun

Active

Tulipa L. · Tulip

Future Rights B.V

1 record

Arbo

Protection expired

Arnica montana L.

Dr. Ulrich Bomme Bayer. Landesanstalt für Boden- kultur und Pflanzenbau

1 record

Amsterdamska 3 TOR

Application submitted

Daucus carota L. · Carrot

Andrej Wroblewski, Wieslaw Nornicki, Iwona Kawalowska, Radoslaw Giernacki, Elzbieta Barcikowska,

2 records

Amca

Terminated

Daucus carota L. · Carrot

Clause Semences SA (FR)

1 record

Astronaut Andre Kuipers

Active

Tulipa L. · Tulip

Lybo Veredeling

1 record

Aras

Terminated

Viburnum opulus L. · Guelder rose

Vytauto Didžiojo universitetas

1 record

Askold NWB

Active

Cucumis sativus L. · Cucumber

Jong-Sup Shin

1 record

Arabat

Active

Solanum lycopersicum L. · Tomato

Bondarenko Kateryna Oleksiivna, Liuta IUliia Oleksandrivna, Kosenko Nadiia Pavlivna,

2 records

AR 1801

Active

Helianthus annuus L. · Sunflower

Stotskyi Viktor

2 records

Arrow F1 BS

Terminated

Solanum melongena L. · Eggplant

Hari Besels

1 record

Anna

Terminated

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

Specjalistyczny Zakład Ogrodniczy Ryszard Pętoś

1 record

ARQUERO

Application submitted

Capsicum annuum L. · Bell pepper

CAPITAL GENETIC EBT, S.L.

1 record

Aristocrat F1

Active

Cucumis sativus L. · Cucumber

Lim Sang Hwa

2 records

Annabel`

Terminated

Raphanus sativus L. var. sativus · Radish

Paul Degreef

2 records

ALEXA

Active

Vigna radiata (L.) R. Wilczek · Mung bean

BREZEANU CREOLABREZEANU PETRE MARIANAMBARUS SILVICA

1 record

Alina

Active

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

Jong-Sup Shin

2 records

Ambra

Withdrawn

Allium cepa L. · Onion

ISI SEMENTI SPA

1 record

AKILES

Terminated

Cucumis sativus L. · Cucumber

ZAYIN TECHNOLOGY S.L.

1 record

ALCARAZ

Application submitted

Solanum lycopersicum L. · Tomato

INTERSEMILLAS SAU

1 record

AMBARINO

Application submitted

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

1 record

ALBOREA

Active

Citrus reticulata Blanco · Mandarin orange

VARIOS OBTENTORES

2 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.