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.

Aristos

Active

Hordeum vulgare L. · Barley

Poljoprivredni Institut Osijek, HR

4 records

Altair

Active

Cannabis sativa L. · Hemp

Uniseeds Inc

3 records

Alborada

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

6 records

Andromeda

Active

Sinapis alba L. · White mustard

SELGEN A.S

4 records

Ambasador

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Danko Hodowla Roslin Sp.z.o.o.

5 records

Compass

Active

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

Masami Yamamoto

NL UA

4 records

Bacano

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

TAKII JAPAN and CO. 180 UMEKOJI

3 records

F252

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

ES FR

2 records

Solvet

Active

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL UA

3 records

Monitor

Protection expired

Cichorium intybus L. · Chicory

Bejo Zaden B.V.

CZ PL

2 records

KWS Solano

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

DE LT

2 records

Jaz

Terminated

Cichorium intybus L. · Chicory

UNICOPA/CLAUSE

ES FR

2 records

Birra di Monaco

Protection expired

Raphanus sativus L. · Radish

Semenarna Ljubljana, SI

IT SI

3 records

Wiktoria Skierniewic

Active

Allium cepa L. var. cepa · Onion

Instytut Ogrodnictwa - Państwowy Instytut Badawczy \Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa w Ożarowie Mazowieckim Spółka z o.o.

3 records

Wama

Active

Allium cepa L. var. cepa · Onion

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

3 records

White Opera

Active

Allium cepa L. · Onion

MAURIZIO BACCHI

HU UA

3 records

White Success

Terminated

Spathiphyllum Schott · Spathiphyllum

PLATE| Renate Plate

DE DK

2 records

VFN 8

Terminated

Solanum lycopersicum L. · Tomato

FERRY MORSE

2 records

SY Nomad

Active

Zea mays L. · Maize

SYNGENTA Corp Protection AG

2 records

Tannat

Active

Allium cepa L. var. cepa · Onion

Enza Zaden Beheer B.V.

3 records

SY Pantheoon

Active

Hordeum vulgare L. · Barley

Syngenta Crop Protection AG, CH

FR HR

2 records

Salonta

Terminated

Zea mays L. · Maize

Pinter Zoltan / Szel Sandor / Kalman Laszlo / Kiss Gabor / Toldine dr. Toth Eva / Tompa Gabor

HU SK

2 records

RGT Exxtrali

Active

Zea mays L. · Maize

RAGT 2N S.A.S

2 records

Schwarzenegger

Active

Zea mays L. · Maize

FREIHERR VON MOREAU SAATZUCHT

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.