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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.

Fancy Yoursula

Terminated

Chrysanthemum L. · Chrysanthemum

Henk Dresselhuys

1 record

FERCADEU

Active

Prunus avium (L.) L. · Sweet cherry

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

1 record

Felicity

Withdrawn

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

Dobegicbape

Active

Begonia x tuberhybrida Voss · Tuberous begonia

Dümmen Group B.V.

1 record

H220910

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

DUEALFIR

Terminated

Calibrachoa Cerv. · Calibrachoa

Tobias Dümmen

1 record

H220901

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H218916

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

Everrom

Terminated

Rosa L. · Rose

Rosa Eskelund

1 record

Greenspan

Terminated

Chrysanthemum L. · Chrysanthemum

Nicolaas P. Dekker

1 record

Dophloflalista

Active

Phlox paniculata L. · Garden phlox

Dümmen Group B.V.

1 record

GENROSS

Terminated

Lobelia x speciosa Sweet

Peter M. Dealtrey

1 record

Gendipros

Terminated

Mandevilla sanderi (Hemsl.) Woodson · Brazilian jasmine

Gerd Endisch

1 record

Garvivian

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

Dokalubi

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Dümmen Group B.V.

1 record

Esm Egeo

Terminated

Phlox paniculata L. · Garden phlox

ALOYSIUS A.J.HOOIJMAN

1 record

Gfbsfcowhi

Terminated

Begonia Semperflorens-Cultorum Group · Bedding Begonia

Shinichi Nishimoto

1 record

DLFMSTA2

Terminated

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

1 record

Genusia B

Active

Vitis vinifera L. · Common grape vine

Donato Antonacci

1 record

DLFESKO2

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

1 record

Deep Purple

Withdrawn

Ocimum basilicum L. · Basil

A L TOZER LTD

1 record

FLOR175114

Active

Petunia Juss. · Petunia

Florensis B.V.

1 record

Fisnics Orga

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

FISCHER GERMANY GMBH

1 record

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