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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.

Ingbwit

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Syngenta Seeds B.V.

1 record

KLEVP22142

Active

Verbena L. · Vervain

Ruijun Li

1 record

KLEVP13447

Withdrawn

Verbena L. · Vervain

Ruijun Li

1 record

Kalisto

Terminated

Solanum tuberosum L. · Potato

HZPC Holland B.V.

1 record

Kalahari

Terminated

Lilium L. · Lily

Vletter & Den Haan Beheer B.V

1 record

Hilmoocosy

Terminated

Echinacea purpurea (L.) Moench · Purple coneflower

TAKII EUROPE B V

1 record

Hilbrequeen

Terminated

Dianthus barbatus L. · Sweet William

Brea Ezio (Impresa Individuale)

1 record

KLEOE21634

Active

Osteospermum L. · Osteospermum

MAIKE BOXRIKER

1 record

Korbigman

Terminated

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

1 record

Innkablue

Terminated

Nemesia foetens Venten · Nemesia

Silvia Hofmann^^^HENDRIK THEOBALD^^^Susanne Herdegen

1 record

KLEVP20067

Terminated

Verbena L. · Vervain

Ruijun Li

1 record

KLEDP18282

Terminated

Dianthus caryophyllus L. · Carnation

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

1 record

KLECA23992

Application submitted

Calibrachoa Cerv. · Calibrachoa

Angelo Carrella

1 record

Kiastgrana

Withdrawn

Aster dumosus L. · Bushy aster

Andreas Niederländer

1 record

H218912

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

KLEKB20034

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Henk Dresselhuys

1 record

KLEDP22351

Active

Dianthus caryophyllus L. · Carnation

Lena Thiede

1 record

KLEDM10631

Terminated

Dianthus caryophyllus L. · Carnation

TRAUDE MUNDINGER-FLAD|PER KLEMM

1 record

H2f3

Active

Paulownia catalpifolia x Paulownia fortunei

WEGROW GERMANY GMBH

1 record

H220911

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

Hilsinsilk

Application submitted

Limonium sinuatum (L.) Mill. · Statice

HilverdaFlorist B.V.

1 record

H218924

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

Hilmoomedi

Terminated

Echinacea purpurea (L.) Moench · Purple coneflower

TAKII EUROPE B V

1 record

Kijuanita

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Ludwig Kientzler

1 record

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