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.

Ruta SHZ

Terminated

Solanum tuberosum L. · Potato

Slupska Hodowla Ziemniaka

1 record

Rhonda F1

Active

Beta vulgaris Garden Beet Group · Garden beet

Ger Bimsdeboer

1 record

Riteil

Terminated

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

Naumov Ruslan Olehovych, Krasnok Viacheslav Anatoliiovych,

2 records

Rocket gs

Terminated

Cucumis sativus L. · Cucumber

Clause Semences SA (FR)

1 record

Rosamunde

Terminated

Begonia x hiemalis Fotsch · Elatior Begonia

MAN| J. Man

1 record

Rika

Terminated

Rhododendron simsii Planch. · Indica azalea

KARL GLASER

1 record

Rigel

Active

Tulipa L. · Tulip

Hybris B.V.

1 record

Revolution

Active

Gerbera L. · Gerbera

BETTI GIUSEPPE

1 record

Riko

Active

Solanum lycopersicum L. · Tomato

P. de Vries

4 records

Rogina

Active

Tulipa L. · Tulip

Ligthart Flowerbulbs

1 record

Ronan

Withdrawn

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

Hazera Seeds B.V.

1 record

Resomee Dark

Terminated

Chrysanthemum x morifolium Ramat. · Florist's daisy

CHRYSANTHEMUM BREEDERS ASSOCIATION N.V

1 record

Red Zeppelin F1

Terminated

Allium cepa L. · Onion

Hari Besels

1 record

Redsky F1

Active

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

Robert Prieur

1 record

REGINE

Terminated

Malus Mill. · Apple

Fischer, C. / Murawski, H.

1 record

Robumille

Terminated

Matricaria recutita L. · German chamomile

Kreszentia Kirsch

2 records

Red Sun

Active

Allium cepa L. var. aggregatum G. Don · Shallot

SJALOTTENKWEKERIJ "DE VOETAKKER" B.V.

2 records

Red Rum F1

Active

Allium cepa L. · Onion

Ger Beemsterboer

1 record

RICOTE

Application submitted

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

1 record

Rapid red 2

Active

Raphanus sativus L. · Radish

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

1 record

Revel 210

Active

Cucumis melo L. · Melon

Nunhems B.V./Laboratioire ASL S.N.C.

2 records

Reactor F1

Application submitted

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

Sjaak van de Ploeg

2 records

Rebellion

Withdrawn

Raphanus sativus L. var. oleiformis Pers. · Oil radish

KWS SAAT SE & CO.KGAA

2 records

Raffybel

Application submitted

Solanum lycopersicum L. · Tomato

Gautier Semences SAS (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.