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.

Bottiglione

Active

Cichorium intybus L. · Chicory

T&T S.P.A. Agricola

1 record

Bubka

Terminated

Petroselinum crispum (Mill.) Nym. ex A.W. Hill var. tuberosum (Bernh.) Mart Crov. · Hamburg parsley

Rijk Zwaan B.V.

1 record

Bubikopf 3

Terminated

Cichorium endivia L. · Endive

MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI - DIREZIONE GENERALE DELLE POLITICHE AGRICOLE ED AGROINDUSTRIALI NAZIONALI

1 record

Boro F1

Active

Beta vulgaris Garden Beet Group · Garden beet

Her Bemsdeburh

2 records

CADAQUES

Application submitted

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

1 record

Brudzyńska

Terminated

Festuca arundinacea Schreb. · Tall fescue

Hodowla Roslin Szelejewo sp.z.o.o.

1 record

Brocofleur

Withdrawn

Brassica oleracea L. (Cauliflower Group) · Cauliflower

INCONNU (FR)

1 record

Bilosnizhka

Terminated

Raphanus sativus L. var. sativus · Radish

Saiuk Anatolii Arkadiiovych, Lipskyi Volodymyr Volodymyrovych,

1 record

Blooster F1

Terminated

Allium cepa L. · Onion

Hari Besels

1 record

Bombay Rose

Terminated

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

Maurits

1 record

Brilliant F1

Terminated

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

Willem van Haerke

2 records

Bigarreau Sue

Terminated

Prunus avium (L.) L. · Sweet cherry

Agriculture and Agri-Food Canada| CA

1 record

BRIANA

Withdrawn

Solanum lycopersicum L. · Tomato

HAZERA GENETICS

1 record

Brennan

Application submitted

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

Bejo Zaden B.V.

2 records

BESOCHE PLUM

Application submitted

Solanum lycopersicum L. · Tomato

Harmoniz

1 record

Bravet

Application submitted

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Bornite

Withdrawn

Spinacia oleracea L. · Spinach

KWS VEGETABLES B.V.

2 records

BETICO

Active

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

1 record

BRISTOL

Active

Cucumis melo L. · Melon

SEMILLAS FITO, S.A.

1 record

Bright Sun

Active

Tulipa L. · Tulip

Smal Bloembollen Oudendijk B.V.

1 record

Brightina F1

Terminated

Solanum lycopersicum L. · Tomato

Sylvasn Bontems

1 record

Basel F1

Withdrawn

Daucus carota L. · Carrot

Ger Bimsdeboer

1 record

Boosina

Withdrawn

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

1 record

Bingo

Active

Cichorium intybus L. · Chicory

Hoquet Endives (FR)

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.