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.

Jenna

Terminated

Solanum lycopersicum L. · Tomato

Rijk Zwaan B.V. (NL)

HR NL PL SI

5 records

Julia

Active

Solanum lycopersicum L. · Tomato

Zaklad Ogrodniczy Przyborow sp. z o.o.

CZ NL PL SK

6 records

Grido

Protection expired

Cucumis melo L. · Melon

Clause Semences SA (FR)

FR HR SI SK

7 records

Kalmar

Terminated

Allium porrum L. · Leek

Rijk Zwaan B.V.

CZ NL PL SK

5 records

Eskort

Active

Solanum lycopersicum L. · Tomato

SEMO S.R.O.

CZ PL SK

7 records

ES Yakari

Active

Zea mays L. · Maize

LIDEA FRANCE SAS

AT UA

8 records

Gonzales

Protection expired

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

Bejo Zaden B.V.

CZ NL PL SK

5 records

Helsinki

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Sakata Vegetables Europe SAS (FR)

FR NL PL SK

6 records

Elko

Protection expired

Solanum lycopersicum L. · Tomato

HM.CLAUSE

FR HR PL SK

6 records

Castellaro

Terminated

Dianthus caryophyllus L. · Carnation

NOBBIO| Dr. Giacomo Nobbio

DE ES NL PL

6 records

Bangor

Active

Beta vulgaris Fodder Beet Group · Mangelwurzel

DLF SEEDS A/S

BE CZ DK PL

5 records

Adema

Active

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

RIJK ZWAAN WELVER GMBH

CZ DE SK

5 records

Eldorado

Active

Solanum tuberosum L. · Potato

Van Rijn France

FR HR NL

8 records

N4H470 CLP

Active

Helianthus annuus L. · Sunflower

NUSEED EUROPE

IT SK UA

6 records

Viturri

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

RIJK ZWAAN Zaadteelt en Zaadhandel B.V.

NL UA

5 records

Lavender

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA

5 records

Wilma

Protection expired

Cucumis sativus L. · Cucumber

Royal Sluis BV, NL-1600 AA Enkhuizen

HU NL SK

5 records

Vogue

Active

Glycine max (L.) Merr. · Soybean

P.H. Petersen Saatzucht Lundsgaard GmbH, Grudhof DE

DE HU SK

5 records

Vali

Active

Medicago sativa L. · Alfalfa

The Research Institute of Plant Production Piestany (SK)

DE FR SK

7 records

Teo

Terminated

Lupinus luteus L. · Yellow lupin

Poznanska Hodowla Roslin Sp. z o.o

CZ DE PL

8 records

Tasca

Active

Solanum melongena L. · Eggplant

Vilmorin SA (FR)

FR HR IT

7 records

SU Lolek

Terminated

Hordeum vulgare L. · Barley

Claus Einfeldt

EE LT PL

6 records

Troya

Active

Beta vulgaris Fodder Beet Group · Mangelwurzel

DLF Seeds A/S

DK NL PL

5 records

Stargate

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bejo Zaden BV (NL)

HR NL PL

5 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.