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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.

Duephloshopi

Active

Phlox subulata L. · Creeping phlox

Dümmen Group B.V.

1 record

Dark Diamond

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

CAMERONQ2

Terminated

Kalanchoe Adans. · Kalanchoe

Knud Jepsen

1 record

Emma

Withdrawn

Ocimum basilicum L. · Basil

Enza Zaden Beheer B.V.

1 record

Dananab3

Terminated

Lobelia erinus L. · Edging lobelia

Gavriel Danziger

1 record

Dysceri

Active

Salvia xjamensis J. Crompton · Jame sage

DAVID DYSON

1 record

Dokalkam

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Dümmen Group B.V.

1 record

Dokalfier

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Dümmen Group B.V.

1 record

Dokalcasi

Withdrawn

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Dümmen Group B.V.

1 record

Dodaxsu

Active

Dahlia Cav. · Dahlia

Dümmen Group B.V.

1 record

Bullrudi 20

Application submitted

Rudbeckia hirta L. · Black-eyed Susan

Hartwig Bull

1 record

Bombay Sunshine

Terminated

Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb

Henricus G.A. van der Boog

1 record

DICZ0002

Terminated

Dianthus plumarius L. · Garden pink

Syngenta Crop Protection AG

1 record

DFELICBLUE

Terminated

Felicia amelloides (L.) Voss · Blue marguerite

Gavriel Danziger

1 record

BKPBEWFBC

Active

Begonia boliviensis A. DC. · Bolivian begonia

Annie Cornelia Beekenkamp

1 record

Bosajum

Terminated

Hypericum androsaemum L. · Tutsan

H. & B.R. van den Bosch B.V.

1 record

Del Monte Rosé

Active

Ananas comosus (L.) Merr. · Pineapple

Ebrahim Firoozabady^^^Thomas Young

1 record

Bosaapol

Terminated

Hypericum L. · St. John's wort

H. & B.R. van den Bosch B.V.

1 record

CIDZ0047

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

1 record

Chapeau

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

Diana Pink

Terminated

Antirrhinum majus L. · Snapdragon

P.Kooij & Zonen B.V.

1 record

Dancasred

Terminated

Petunia Juss. · Petunia

Gavriel Danziger

1 record

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