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.

Sprinter

Protection expired

Lolium perenne L. · Perennial ryegrass

Zwaan&De Wiljes' Zaadt en Zaadh B.V.

DE DK FR HR NL SE +1

14 records

Amtrak

Active

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

Bejo Zaden B.V.

BG CZ LT NL PL SK

11 records

Lectro

Active

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

Bejo Zaden BV (NL)

CZ HR HU NL PL SI +1

12 records

Amadeus

Terminated

Solanum tuberosum L. · Potato

KWEEKBEDRIJF ROPTA ZPC

DE DK ES FR IE IT +1

10 records

SU Baresi

Active

Secale cereale L. · Rye

Saaten-Union

CZ DE DK EE LT UA

15 records

Monopoly

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

Syngenta Seeds, NL

BG FR HR HU NL PL

12 records

Lion

Active

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

NICKERSON-ZWAAN B.V., NL

BG CZ HU NL PL SK

11 records

Guttino

Active

Secale cereale L. · Rye

WILDE PEER

AT DE DK PL SK UA

14 records

Petoy

Terminated

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Peter JACOBSEN (DK)

DE DK FR IT NL

10 records

Arabella

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

EE LT LV PL UA

16 records

Albatros

Active

Solanum tuberosum L. · Potato

VOGEL JOSEF| Dr. Josef Vogel

CZ DE LT PL UA

17 records

Presur

Active

Rosa L. · Rose

Theo Adrianus Segers

DE FR NL PL

10 records

Dakota

Active

Pisum sativum L. · Pea

Syngenta Seeds B.V.

CZ HU NL SK

11 records

Naxos

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

SSC JP

FR HR UA

12 records

FLORIDA FESTIVAL

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

ES NL UA

15 records

Whitney

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

VPP Corporation

ES PL

12 records

Soprano

Active

Daucus carota L. · Carrot

Vilomorin, F

FR HR

11 records

Ruivonk

Active

Rosa L. · Rose

Pouw Anton|De Kwakel, NL

NL PL

11 records

Noblesse

Active

Solanum tuberosum L. · Potato

Saka Pflanzenzucht GmbH Co KG

DE NL

12 records

Evolution

Active

Solanum tuberosum L. · Potato

RICHARD MOOIJWEER

NL UA

15 records

Fisson Orange

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

ZERR| Katharina Zerr

DE PL

10 records

Fengapi

Active

Malus domestica (Suckow) Borkh. · Apple

Reinhard Kaneppele

DE UA

13 records

Concordia

Active

Solanum tuberosum L. · Potato

Heinrich BOHM, DE

DE HR

13 records

Kamp Burgundy

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Zerr, Katharina, D-56203 Hohr-Grenzhausen

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.