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.

Granada

Active

Solanum tuberosum L. · Potato

SOLANA DEUTSCHLAND GmbH

CZ DE IT NL UA

16 records

Lady

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Nunhems, NL

BG HR HU NL SK

10 records

Crisby

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

NUNZA BV, NL

HR HU IT NL SK

11 records

Hidala

Active

Malus domestica (Suckow) Borkh. · Apple

SNC Elaris, F

BE DE ES FR NL

14 records

Bikores

Active

Beta vulgaris Garden Beet Group · Garden beet

Ger Bimsdeboer

HR HU NL PL UA

9 records

Bodilis

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Vilmorin SA (FR)

CZ FR HR HU PL

9 records

Colonel

Active

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

PHP PETERSEN

CZ DE NL PL UA

13 records

Barlexas II

Active

Festuca arundinacea Schreb. · Tall fescue

Barenbrug Holland BV (NL)

CZ FR HR IT RO

11 records

Boston

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Syngenta Seeds, NL

HR HU NL PL SK

9 records

Bravo

Active

Beta vulgaris Sugar Beet Group · Sugar beet

STRUBE HERMANN| Dr. Hermann Strube

DE FR LT PL UA

10 records

Abba

Active

Hordeum vulgare L. · Barley

Saaten-Union

DE FI FR HU UA

15 records

Milor

Active

Pisum sativum L. · Pea

SVS HOLLAND BV , NL

HR HU IT SK

11 records

Anthony

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

CZ ES NL

10 records

Tanilyks

Active

Rosa L. · Rose

ROSEN-TANTAU MATHIAS-TANT

DE ES PL

9 records

Ruimats

Active

Rosa L. · Rose

POUW| A.A. Pouw

DE DK NL

9 records

Parthenon

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

SSC JP

HR NL UA

12 records

Natascha

Active

Solanum tuberosum L. · Potato

SAKA PFLANZENZUCHT GMBH AND CO KG

DE HR UA

14 records

Chopin

Active

Solanum tuberosum L. · Potato

IPR BV

HR IT NL

12 records

Daytona

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Sakata Vegetables Europe, F

HR NL UA

10 records

Barimpala

Active

Poa pratensis L. · Kentucky bluegrass

Barenbrug Holland BV (NL)

DE FR HR

13 records

Romance

Active

Daucus carota L. · Carrot

Paul Degreef

NL UA

13 records

Queen Anne

Active

Solanum tuberosum L. · Potato

Solana, D

DE UA

14 records

Madrigal

Active

Cynara cardunculus L. · Cardoon

NUNZA BV

ES UA

12 records

Karelia

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

DE UA

11 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.