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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.

Servus

Active

Cucumis sativus L. · Cucumber

NL
2 records

Seradox

Terminated

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

NL
2 records

Solanum lycopersicum L. · Tomato

HU
2 records

Cucurbita pepo L. · Field pumpkin

DE
2 records

Sandoro

Terminated

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

NL
2 records

Pink Sun

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Ribery

Active

Allium fistulosum L. · Welsh onion

HU
2 records

Scansie

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

CZ
2 records

PHNV8

Active

Zea mays L. · Maize

UA
2 records

Purpura

Active

Raphanus sativus L. var. sativus · Radish

CZ
2 records

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

DE
2 records

PAZ Pallagi

Terminated

Capsicum annuum L. · Bell pepper

HU
2 records

RUBIRA

Active

hybrids between Prunus davidiana and Prunus persica

ES
2 records

Peppone

Active

Capsicum annuum L. · Bell pepper

NL
2 records

Regina

Active

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

HU
2 records

Parus

Terminated

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

DK
2 records

Parmel

Terminated

Cucumis sativus L. · Cucumber

NL
2 records

Rubizzo

Active

Solanum lycopersicum L. · Tomato

HU
2 records

Rubired

Active

Beta vulgaris Garden Beet Group · Garden beet

HU
2 records

Parvati

Terminated

Solanum lycopersicum L. · Tomato

NL
2 records

RTS 119

Active

hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner

HU
2 records

Roselady

Active

Solanum lycopersicum L. · Tomato

CZ
2 records

Rodrigo

Terminated

Allium cepa L. var. cepa · Onion

NL
2 records

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

NL
2 records

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