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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.

Dalicia

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Angus Soft Fruits Ltd

1 record

Captain Memphis

Terminated

Zantedeschia Spreng. · Arum-lily

Kapiteyn Breeding B.V.

1 record

Cameron

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Knud Jepsen

1 record

Barlaxiaga

Withdrawn

Dianthus caryophyllus L. · Carnation

Barberet & Blanc S.A.

1 record

Bosaelec

Terminated

Hypericum androsaemum L. · Tutsan

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

1 record

Budelli

Withdrawn

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

Contiki Red

Terminated

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

1 record

Cristalleye

Terminated

Zantedeschia Spreng. · Arum-lily

Totall Calla B.V.

1 record

Bombay Fivio

Terminated

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

Henricus G.A. van der Boog

1 record

Bombay Figo

Terminated

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

MAURITS PETRUS H.

1 record

Bransun

Terminated

Chrysanthemum L. · Chrysanthemum

Hubert Brandkamp

1 record

BKPCMPNN

Active

Campanula portenschlagiana Schult. · Dalmatian bellflower

Annie Cornelia Beekenkamp

1 record

Balazdare

Terminated

Verbena L. · Vervain

SCOTT C TREES

1 record

Bombay Filemon

Terminated

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

Henricus G.A. van der Boog

1 record

COADELPNK

Active

Delphinium elatum L. · Alpine delphinium

Marcus van Kesteren

1 record

Ceres

Active

Erica cinerea L. · Bell heather

Helmut Hiedl

1 record

CBRZ0028

Active

Calibrachoa Cerv. · Calibrachoa

Syngenta Crop Protection AG

1 record

Cartbas Whit

Terminated

Angelonia angustifolia Benth. · Angelonia

GOLDSMITH SEEDS

1 record

Carana

Terminated

Phaseolus vulgaris L. · Common bean

NUNHEMS ZADEN B.V.

2 records

Champion Blue

Terminated

Campanula L. · Bellflower

Sakata Seed Corporation (SCC)

1 record

Chamidi

Terminated

Chrysanthemum L. · Chrysanthemum

Challet Herault S.A.S.

1 record

Celine

Terminated

Mandevilla sanderi (Hemsl.) Woodson · Brazilian jasmine

John Beiskjär

1 record

BB46

Terminated

Zea mays L. · Maize

Limagrain Europe S.A.S., KWS Saat SE

1 record

AN2964275

Active

Anthurium-Andreanum-Hybriden · Anthurium

Anthura B.V.

1 record

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