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.

Ostrea

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

CZ FR NL PL SK

8 records

Navarino

Protection expired

Daucus carota L. · Carrot

Bejo Zaden B.V.

CZ LT NL PL SK

6 records

Manama

Terminated

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

Marner GZG Saaten Aktiengesellschaft

CZ DE HU PL SK

6 records

Linzer delikatess

Active

Solanum tuberosum L. · Potato

Saatbau Linz OÖ. Landes-Saatbaugen.reg.Gen.m.b.H.

AT BE FR LU NL

8 records

Lindon

Protection expired

Brassica oleracea L. (Cauliflower Group) · Cauliflower

S & G Seeds BV (NL)

CZ FR HU NL SK

7 records

Herzog

Protection expired

Triticum aestivum L. · Bread wheat

SAATZUCHT JOSEF BREUN GmbH&Co.KG

AT DK FR NL

6 records

LG31265

Active

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

LIMAGRAIN EUROPE

BE CZ FR NL PL

6 records

Cristiano KWS

Active

Brassica napus var. napus · Rapeseed

KWS SAAT SE & CO.KGAA

FR UA

9 records

Vilma

Active

Solanum lycopersicum L. · Tomato

ZETA SEEDS S.L.

CZ ES SK UA

7 records

Thunder

Active

Cucumis sativus L. · Cucumber

Seminis Vegetables (NL)

ES NL SI SK

7 records

Andreas

Active

Asparagus officinalis L. · Asparagus

Vilmorin S.A.

FR HU IT NL PL

7 records

Vedetta

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

BG HR NL PL

6 records

Thalassa

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HM.CLAUSE

CZ FR HU SK

7 records

Rovite

Active

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

HAZERA SEEDS B.V.

CZ HU NL PL

6 records

Royal

Active

Cucumis sativus L. · Cucumber

HM.CLAUSE

CZ HU NL PL

7 records

RGT Mela

Active

Hordeum vulgare L. · Barley

W. von Borries-Eckendorf GmbH & Co.KG

AT CZ DE PL

7 records

Mount Robson

Active

Kalanchoe Adans. · Kalanchoe

VLIELANDER| Ike Vlielander c/o Fides Beheer B.V.

BE DE DK NL

6 records

Renova

Active

Beta vulgaris Garden Beet Group · Garden beet

SEMPRA| Sempra Praha a.s.

CZ DE SK UA

7 records

Moritz

Protection expired

Avena sativa L. · Oat

Saatzucht Bauer GmbH & Co KG

AT DE DK PL

7 records

Nelson

Protection expired

Daucus carota L. · Carrot

Bejo Zaden BV, NL-1749 ZH Warmenhuizen

CZ NL SI SK

6 records

Macarena

Protection expired

Solanum lycopersicum L. · Tomato

Syngenta Seeds, NL

ES FR NL PL

6 records

Murato

Active

Solanum tuberosum L. · Potato

PETER JOHANNES HUBERTUS MUIJSERS

FR HR PT UA

10 records

Mary Washington

Active

Asparagus officinalis L. · Asparagus

Semenarna Ljubljana, SI

ES HR IT SI

6 records

Korina

Active

Daucus carota L. · Carrot

MORAVOSEED

CZ HU SK UA

6 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.