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.

Clair

Active

Capsicum annuum L. · Bell pepper

ENZA ZADEN BEHEER B.V., NL

7 records

CIVH725

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Michelangelo Leis, Italy

6 records

Buster

Active

Solanum tuberosum L. · Potato

Teagasc Crops Research Centre

8 records

Capriccio

Active

Cynara cardunculus L. · Cardoon

NUNHEMS

9 records

Barbara

Active

Cucurbita moschata Duchesne · Butternut squash

Sakata Vegetables Europe S.A.S

7 records

Azovian

Active

Solanum lycopersicum L. · Tomato

NUNHEMS ZADEN

9 records

Anouk

Active

Solanum tuberosum L. · Potato

Kweek- en Researchbedrijf Agrico B.V.

8 records

Zalsalyn

Active

Alstroemeria L. · Alstroemeria

van Zanten Plants b.v

6 records

Schremma

Active

Rosa L. · Rose

Schreurs, P.

6 records

Sugrathirtysix

Active

Vitis vinifera L. · Common grape vine

Terry Bacon, Michael Striem, Sun World International LLC

6 records

Schunukka

Active

Rosa L. · Rose

Schreurs, P.

6 records

Sparanke

Active

Spathiphyllum Schott · Spathiphyllum

van der Knaap Leonardus Johannus Maria|Naaldwijk, NL

6 records

Ravellia

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Fresh Forward Holding B.V., 6851 ET Huissen

6 records

Phalifqudi

Active

Phalaenopsis Bl. · Moth Orchid

Van Swieten Martinus Nicolaas Gerardus

7 records

NPCW02044

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Nils Klemm

6 records

Eckadire

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

FRUEWIRTH FRANZ

6 records

Eckalverta

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

RUTH KOBAYASHI

6 records

Rambo

Active

Avena sativa L. · Oat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

AT CZ DK LT PL

8 records

N4L215 E

Active

Helianthus annuus L. · Sunflower

NuSeed Americas

FR IT SK UA

8 records

Alegoria

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

EE LT PL UA

10 records

Lexus

Active

Brassica napus var. napus · Rapeseed

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

DK PL SE

10 records

Milkaro

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Instytut Hodowli i Aklimatyzacji Roslin Panstwowy Instytut Badawczy

CZ PL

11 records

Match

Active

Daucus carota L. · Carrot

HM.CLAUSE

6 records

Kevin

Active

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

Syngenta Seeds B.V. (NL)

HR NL

7 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.