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.

KLEPH21539

Terminated

Petunia Juss. · Petunia

Antonella Capo

1 record

KLEPH18356

Active

Petunia Juss. · Petunia

Klemm + Sohn GmbH & Co. KG^^^Nils Klemm^^^Antonella Capo

1 record

Lumistar

Application submitted

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Crop Protection AG

1 record

Kiedahbasar

Terminated

Dahlia Cav. · Dahlia

Kieft Bloemzaden B.V.

1 record

Lannewjersey

Terminated

Mandevilla sanderi (Hemsl.) Woodson · Brazilian jasmine

D.H.M Innovation S.A.S.

1 record

Kerpurflash

Terminated

Petunia x atkinsiana D. Don · Garden petunia

Priscilla Grace Kerley, David William Kerley, Timothy Edward Kerley

1 record

Ladies First

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

Limmaxima

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Limgroup B.V.

1 record

KLECA22822

Active

Calibrachoa Cerv. · Calibrachoa

Angelo Carrella

1 record

Leon

Terminated

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

1 record

Korkallet

Terminated

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

1 record

JHE00234

Active

Helleborus x hybridus hort. ex Voss · Lenten rose

Microflor N.V.

1 record

Kolmamoer

Application submitted

Salvia xjamensis J. Crompton · Jame sage

Kolster Holding B.V.

1 record

Leuka B

Withdrawn

Vitis vinifera L. · Common grape vine

Rocco Perniola^^^Donato Antonacci^^^Carlo Bergamini^^^Maria Francesca Cardone^^^Lucia Rosaria Forleo^^^Antonio Domenico Marsico^^^Riccardo Velasco

2 records

Kolmaamazo

Application submitted

Salvia xjamensis J. Crompton · Jame sage

Kolster Holding B.V.

1 record

KLEPH18130

Terminated

Petunia Juss. · Petunia

Klemm + Sohn GmbH & Co. KG^^^Nils Klemm^^^Antonella Capo

1 record

Kawala

Terminated

Saintpaulia ionantha H. Wendl. · African violet

GenVar Vitro B.V.

1 record

KLEDP18292

Withdrawn

Dianthus caryophyllus L. · Carnation

Klemm + Sohn GmbH & Co. KG^^^Nils Klemm^^^Lena Thiede

1 record

KLECA18445

Terminated

Calibrachoa Cerv. · Calibrachoa

Klemm + Sohn GmbH & Co. KG^^^Nils Klemm^^^Anita Stöver

1 record

JHE00221

Active

Helleborus x hybridus hort. ex Voss · Lenten rose

Microflor N.V.

1 record

KLEPH19035

Active

Petunia Juss. · Petunia

Antonella Capo

1 record

LAZPET1422

Withdrawn

Petunia Juss. · Petunia

Lazzeri Societa Agricola a.r.l.

1 record

Kristina

Active

Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket

CORA SEEDS S.R.L

1 record

Kaliza

Terminated

Saintpaulia ionantha H. Wendl. · African violet

GenVar Vitro B.V.

1 record

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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.