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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.

Pacludo

Active

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

Martin Geibel c/o Elsner pac Jungpflanzen GbR

6 records

Pelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium

Martin Geibel c/o Elsner pac Jungpflanzen GbR

5 records

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Nils Klemm

5 records

Pacswibu

Active

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

Martin Geibel c/o Elsner pac Jungpflanzen GbR

6 records

PER1303

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

RUTH KOBAYASHI

5 records

Pelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium

Martin Geibel c/o Elsner pac Jungpflanzen GbR

6 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Whitehouse Adam Barrie,Simpson David William,Johnson Abigail

6 records

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Klemm Nils

5 records

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Nils Klemm

5 records

MAR 507

Active

Rubus idaeus L. · Red raspberry

Marionnet SAS

6 records

Nabila

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

LEIS MICHELANGELO, MARTINELLI ALESSIO, AZZOLINI DONATA, CASTAGNOLI PIETRO, CASTAGNOLI ALESSANDRO

7 records

Calibrachoa Cerv. · Calibrachoa

Klemm+Sohn GmbH &Co.KG

5 records

Pistacia vera L. · Pistachio

The Regents of the University of California

8 records

Calibrachoa Cerv. · Calibrachoa

NILS KLEMM|ANITA STOEVER

5 records

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

5 records

Keireom

Terminated

Petunia Juss. · Petunia

Miyano, Shinya, Katori-gun, Chiba

5 records

Katarore

Active

Kalanchoe Adans. · Kalanchoe

van der KNAAP LEONARDUS JOHANNES MARIA

7 records

Pistacia vera L. · Pistachio

The Regents of the University of California

7 records

Itumnine

Active

Vitis L. · Grapevine

Juan Carreño Manuel Tornel

6 records

Vaccinium corymbosum L. · Highbush blueberry

Peter Stefan Boches

5 records

Gypsophila L. · Baby's breath

Hooijman Aloysius A. J.|Aalsmeer, NL

5 records

EURZ0009

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Syngenta Seeds B.V.

5 records

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

FRUEWIRTH FRANZ

5 records

Esm Cold

Active

Gypsophila L. · Baby's breath

Hooijman Aloysius A. J.|Aalsmeer, NL

5 records

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