Skip to content

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.

Friverde

Active

Phaseolus vulgaris L. · Common bean

IT
2 records

Gidran

Active

Capsicum annuum L. · Bell pepper

HU
2 records

Imago

Terminated

Allium cepa L. var. cepa · Onion

NL
2 records

Elsinore

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NL
3 records

Gem

Terminated

Brassica oleracea L. (Broccoli Group) · Broccoli

ES
2 records

Foniro

Active

Beta vulgaris Garden Beet Group · Garden beet

DE
2 records

GEGE

Active

Prunus avium (L.) L. · Sweet cherry

FR
2 records

Hylander

Active

Allium cepa L. var. cepa · Onion

NL
3 records

Iago

Active

Cucumis melo L. · Melon

NL
2 records

Hybound

Active

Allium cepa L. var. cepa · Onion

NL
3 records

Brassica oleracea L. (Cauliflower Group) · Cauliflower

IT
2 records

Brassica rapa L. var. rapa (L.) Thell. · Turnip

NL
2 records

Detroit 6

Terminated

Beta vulgaris Garden Beet Group · Garden beet

NL
2 records

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

HU
2 records

Herdon

Terminated

Solanum lycopersicum L. · Tomato

NL
2 records

Doro

Active

Daucus carota L. · Carrot

DE
2 records

Fortuna

Protection expired

Brassica oleracea L. (White Cabbage Group) · White cabbage

SK
2 records

Focus

Terminated

Cichorium intybus L. (Witloof Chicory Group) · Witloof chicory

NL
2 records

Flumeri

Active

Capsicum annuum L. · Bell pepper

HU
2 records

Evalma

Active

Capsicum annuum L. · Bell pepper

HU
2 records

Domarna

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

DE
2 records

Brassica oleracea L. (Cauliflower Group) · Cauliflower

IT
2 records

Jump to page 49 99 148 154 197 244 246 264 296