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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.

Timola

Active

Phleum pratense L. · Timothy grass

CZ SK
5 records

Romolo

Active

Cucumis sativus L. · Cucumber

HU UA
5 records

Ovčák

Protection expired

Trifolium repens L. · White clover

CZ SK
4 records

Opal

Active

Papaver somniferum L. · Opium poppy

CZ SK
6 records

Atlanta

Terminated

Brassica napus var. napus · Rapeseed

DK SE
5 records

Cratos

Active

Brassica napus var. napus · Rapeseed

DE DK
4 records

Robusto

Active

Capsicum annuum L. · Bell pepper

NL
4 records

Marian

Active

Brassica napus L. var. napobrassica (L.) Rchb. · Rutabaga

IE
5 records

FD 1604

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NL
7 records

Beaumont

Active

Brassica oleracea L. (Broccoli Group) · Broccoli

NL
4 records

Baroldi

Active

Lolium multiflorum Lam. · Italian ryegrass

NL
6 records

Anlani

Active

Spinacia oleracea L. · Spinach

NL
4 records

Faur F

Active

Triticum aestivum L. · Bread wheat

RO
4 records

L274

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

Limagrain Genetics Grandes Cultures SA (FR)

CZ ES FR
3 records

Non Plus Ultra

Protection expired

Raphanus sativus L. · Radish

Semenarna Ljubljana, SI

HU IT SI
3 records

Zambezi

Active

Allium cepa L. · Onion

Skott Hendrics

UA
3 records

Elin

Terminated

Solanum lycopersicum L. · Tomato

W WEIBULL

DK SE
3 records

Codirap

Protection expired

Brassica napus L. · Rapeseed

CAUSSADE SEMENCES

IT SK UA
4 records

Sunnerin

Active

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL UA
4 records

Zea mays L. · Maize

Syngenta participation AG

IT UA
3 records

Zea mays L. · Maize

RAGT 2N S.A.S

IT SK
3 records

Marconi

Active

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

Twan Groot

NL UA
4 records

Orator

Active

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

Syngenta Crop Protection AG

NL UA
3 records

Musa

Active

Cucurbita pepo L. · Field pumpkin

HM Clause SA (FR)

CZ FR
3 records

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