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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.

Jelly

Active

Solanum tuberosum L. · Potato

Kartoffelzucht Böhm, Inh. Gebr. Böhm Kg.

BG CZ DE HR LU PL +2
29 records

Chérie

Active

Solanum tuberosum L. · Potato

GERMIMCOPA BREEDING (GERMICOPA SAS)

DE FR HU PL SK UA
28 records

Laureate

Active

Hordeum vulgare L. · Barley

Syngenta UK Ltd

AT CZ DE EE FI FR +7
35 records

Fandaga

Active

Hordeum vulgare L. · Barley

Saaten-Union

CZ EE FI FR HU LT +2
29 records

Boléro

Active

Daucus carota L. · Carrot

Vilmorin, F

BG CZ FR HR HU PL +2
20 records

Ruirovingt

Active

Rosa L. · Rose

Ruiter, Gijsbert de|Hazerswoude, Netherlands

BE DE DK ES FR NL +1
17 records

Sapphire

Active

Rubus idaeus L. · Red raspberry

VINSON PETER

NL UA
24 records

Amidala

Active

Hordeum vulgare L. · Barley

Saaten-Union

AT CZ DE EE FI FR +6
27 records

Balin

Active

Poa pratensis L. · Kentucky bluegrass

DLF-TRIFOLIUM| DLF-Trifolium A/S

AT CZ DE DK EE HR +5
22 records

Tomensa

Active

Solanum tuberosum L. · Potato

REITZIG DORLIES

AT CZ DE DK ES FR +7
20 records

Primana

Active

Pisum sativum L. · Pea

Paul Degreef

AT DE ES FI HU NL +3
25 records

Jof

Active

Pisum sativum L. · Pea

VELDHUYZEN V.ZANTE

BG CZ ES HR HU NL +3
21 records

Sassy

Active

Solanum tuberosum L. · Potato

GERMICOPA SAS

NL SK
21 records

Daifla

Active

Solanum tuberosum L. · Potato

Germicopa, F

FR MT
21 records

KWS Beckie

Active

Hordeum vulgare L. · Barley

SCHINKEL BURKHARD

CZ DE DK EE FR LT +4
21 records

Lady Alicia

Active

Solanum tuberosum L. · Potato

HESELMANS GUUS

NL UA
20 records

Evora

Active

Solanum tuberosum L. · Potato

R.P.GRAVELAND

NL UA
22 records

Sunshine

Active

Hordeum vulgare L. · Barley

SAATZUCHT JOSEF BREUN GmbH&Co.KG

AT CZ DE EE FI FR +4
21 records

Nerina

Protection expired

Phaseolus vulgaris L. · Common bean

SVS HOLLAND| SVS Holland B.V. (Struct. Venn.)

CZ DE FR HU NL PL +2
14 records

Pinova

Active

Malus domestica (Suckow) Borkh. · Apple

Sächsisches Landesamt für Umwelt Landwirtschaft und Geologie

BE CZ DE FR HU NL +2
29 records

Firefoxx

Active

Hordeum vulgare L. · Barley

Saaten-Union

DE DK EE FI FR LT +2
23 records

Madeleine

Active

Solanum tuberosum L. · Potato

R.J. Mansholt's Veredelingsbedrijf

BG HR MT NL PL UA
19 records

Juliette

Active

Solanum tuberosum L. · Potato

GERMIMCOPA BREEDING (GERMICOPA SAS)

DE FR HU PL SK
21 records

Melody

Active

Solanum tuberosum L. · Potato

J.P.M.Muijsers

BG NL PL SI
20 records

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