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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.

Pompeo

Active

Zea mays L. · Maize

SK
3 records

Solanum lycopersicum L. · Tomato

NL
4 records

Padoc

Active

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

NL
4 records

Poa trivialis L. · Rough bluegrass

CZ
3 records

Olaf

Active

Lolium perenne L. · Perennial ryegrass

CZ
4 records

Renzino

Active

Solanum lycopersicum L. · Tomato

HU
3 records

Narda

Active

Phaseolus vulgaris L. · Common bean

NL
3 records

Popekka

Terminated

Hordeum vulgare L. · Barley

FI
4 records

Mikado

Active

Allium cepa L. · Onion

CY
4 records

Nectar

Active

Phacelia tanacetifolia Benth. · Lacy phacelia

DE
3 records

Paskal

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

RO
3 records

Naram

Active

Solanum lycopersicum L. · Tomato

NL
3 records

Namdal

Active

Daucus carota L. · Carrot

NL
3 records

Mohikan

Active

Raphanus sativus L. var. oleiformis Pers. · Oil radish

DE
3 records

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NL
5 records

Janox

Active

Raphanus sativus L. var. sativus · Radish

NL
3 records

Triticum durum Desf. · Durum wheat

IT
3 records

Cucumis sativus L. · Cucumber

NL
3 records

Hordeum vulgare L. · Barley

HU
3 records

Hamlet

Active

Solanum lycopersicum L. · Tomato

NL
6 records

Lozorno

Active

Capsicum annuum L. · Bell pepper

NL
3 records

Solanum lycopersicum L. · Tomato

NL
3 records

Laso

Active

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

SK
4 records

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