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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

Found in these crops

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.

Dekmacaron

Application submitted

Chrysanthemum L. · Chrysanthemum

Cornelis W. Dekker

3 records

Dekcatalina

Application submitted

Chrysanthemum L. · Chrysanthemum

Cornelis W. Dekker

3 records

Helleborus niger L. · Christmas rose

Josef Heuger

3 records

Evipo052

Active

Clematis L. · Clematis

Poulsen Roser A/S^^^Raymond J. Evison Ltd.

3 records

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

Hanes Mitchell E.|Morgan Hill, CA, US

3 records

Citrus L. · Citrus

Explotaciones Agrarias Terrer S.L.

4 records

DLFJAMD3

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

3 records

Festival

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

UNIVERSITY OF FLORIDA, GULF COAST RESEARCH STATION

4 records

DLFBRI1

Active

Chrysanthemum L. · Chrysanthemum

Arie Gerard Post

3 records

ESM G007

Active

Gypsophila L. · Baby's breath

ALOYSIUS A.J.HOOIJMAN

3 records

Begonia x hiemalis Fotsch · Elatior Begonia

TOBIAS GUNTER DUMMEN

3 records

Eckakmal

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

RUTH KOBAYASHI

3 records

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Tobias Dümmen

3 records

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

Tobias Dümmen

3 records

Burnob

Active

Dianthus caryophyllus L. · Carnation

HYBRIDA S.R.L

3 records

Rudbeckia hirta L. · Black-eyed Susan

Hartwig Bull

4 records

Hybrids between Helleborus atrorubens and Helleborus niger

Josef Heuger

3 records

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Lang Chunting

3 records

C12-122

Active

Vaccinium corymbosum L. · Highbush blueberry

Wright Gary,Lyrene Paul M.

3 records

Rudbeckia hirta L. · Black-eyed Susan

Hartwig Bull

4 records

Begonia boliviensis A. DC. · Bolivian begonia

Rijk Nadine

3 records

Helleborus niger L. · Christmas rose

Josef Heuger

3 records

Brachyscome Cass. · Swan River Daisy

Shaun Rebello, Bonza Botanicals Pty Limited

3 records

BKPBEEEP

Active

Begonia x hiemalis Fotsch · Elatior Begonia

Beekenkamp Annie Cornelia

3 records

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