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.

Clotilde

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

ES FR HU NL PL SK

9 records

Herold

Protection expired

Pisum sativum L. · Pea

Selgen a.s., CZ

AT CZ DE DK HR SK

10 records

Ballade

Terminated

Solanum tuberosum L. · Potato

HZPC Holland B.V.

CZ DE FR NL PL SK

12 records

Amazing

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bejo Zaden B.V.

BG CZ HU NL PL SK

9 records

Xera

Active

Phaseolus vulgaris L. · Common bean

Seminis Vegetable Seeds

BG IT NL PL SK

10 records

Unique

Active

Poa pratensis L. · Kentucky bluegrass

PURE SEED TESTING

DE FI FR NL SE

14 records

Tedi

Active

Trifolium pratense L. · Red clover

MOUSSET-DECLAS| C. Mousset-Declas c/o Agri Obtentions/INRA

AT DE FR PL SK

11 records

Prinz

Active

Apium graveolens L. var. rapaceum (Mill.) Gaud. · Celeriac

Nunhems BV, Netherlands

DE NL PL SK UA

9 records

Smilla

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

SYNGENTA SEEDS B.V.

CZ DK HR HU PL

8 records

Locris

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Vilmorin SA (FR)

CZ FR HU PL UA

8 records

Finka

Active

Solanum tuberosum L. · Potato

Kartoffelzucht Böhm GmbH & Co. KG (DE)

BG CZ DE SK UA

13 records

Kalorama

Active

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

RIJK ZWAAN WELVER GMBH

CZ DE HU PL SK

8 records

Kamaran

Active

Daucus carota L. · Carrot

Bejo Zaden (NL)

CZ HU NL SI SK

8 records

Boyne

Active

Lolium perenne L. · Perennial ryegrass

DLF Seeds A/S

BE DE DK IE PL

13 records

Dankowskie Turkus

Active

Secale cereale L. · Rye

Danko Hodowla Roslin Sp.z.o.o.

AT CZ DE FI PL

12 records

Clarine

Terminated

Hordeum vulgare L. · Barley

SECOBRA RECHERCHES S.A.S

BG DK ES FR SE

14 records

Amsterdam 2

Active

Daucus carota L. · Carrot

HOLLAND SELECT

CZ ES HU NL SK

9 records

Vanille

Active

Hordeum vulgare L. · Barley

Saatzucht Josef Breun GmbH & Co.KG (DE)

DE EE FI FR

13 records

Optimist

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HM Clause, F

FR HR HU SK

8 records

Pizza

Active

Dactylis glomerata L. · Cocksfoot

DLF-TRIFOLIUM DANSK PLANTEFORAEDLING

EE FR IT NL

9 records

Milky Blue

Active

Medicago sativa L. · Alfalfa

Grass G.I.E.

AT DE EE FR

10 records

Monaco

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

Syngenta Seeds B.V. (NL)

FR HR NL PL

9 records

Felopa

Active

x Festulolium Aschers. et Graebn. · Festulolium

Poznanska Hodowla Roslin

DE DK PL SE

13 records

Dinga

Active

Pisum sativum L. · Pea

WOLFRAM HORST^^^KERSTEN HEMLUT

BG CZ DE PL

10 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.