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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.

Steffiline

Terminated

Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts

NL
2 records

Steffi

Active

Capsicum annuum L. · Bell pepper

HU
2 records

Rubinova

Terminated

Raphanus sativus L. var. sativus · Radish

SE
2 records

Spider

Active

Capsicum annuum L. · Bell pepper

NL
2 records

Spivoy

Terminated

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

NL
2 records

SS 1250

Active

Cucurbita moschata Duchesne · Butternut squash

CZ
2 records

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

NL
2 records

Roxanne

Active

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

HU
2 records

Puma

Terminated

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

NL
2 records

Snowdisc

Active

Cucurbita pepo L. · Field pumpkin

CZ
2 records

Robila

Active

Daucus carota L. · Carrot

DE
2 records

Sirio

Terminated

Foeniculum vulgare Mill. · Fennel

IT
2 records

Rubens

Active

Capsicum annuum L. · Bell pepper

IT
2 records

Sfrigola

Active

Capsicum annuum L. · Bell pepper

HU
2 records

Sevino

Active

Allium porrum L. · Leek

DE
2 records

Silex

Terminated

Capsicum annuum L. · Bell pepper

NL
2 records

Regium

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Malus domestica (Suckow) Borkh. · Apple

DE
3 records

Allium cepa L. var. cepa · Onion

NL
3 records

Scapino

Active

Allium cepa L. var. cepa · Onion

NL
2 records

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