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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.

Pulmonaria L. · Lungwort

TERRA NOVA NURSERIES INC

2 records

Pericallis x hybrida (Scheidw.) B. Nord. · Cineraria

Miyazaki Kiyoshi

2 records

Gladiolus L. · Gladiolus

Coöperatieve Kwekersvereniging "For Ever" U.A.

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Ruijgrok

Active

Acer campestre L.

Boomkwekerij L.B. Ruijgrok V.O.F.

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Achillea millefolium L. · Yarrow

Sahin-Georgiadou Elisabeth|Alphen aan den Rijn, NL

2 records

Daucus carota L. · Carrot

Seminis Vegetable Seeds

2 records

Sanifhodepa

Terminated

Fuchsia L. · Fuchsia

Yasuo Kishimoto^^^Hidefumi Funakoshi^^^Mito Ikeda^^^Yasuyuki Murakami^^^Tetsuya Kako

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Osteospermum L. · Osteospermum

Sakata Ornamentals Europe A/S

3 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

RUIY0775

Terminated

Rosa L. · Rose

H.C.A De Groot

2 records

Red Star

Active

Dianthus L. · Carnation

H.R. WHETMAN & SON

2 records

Queenie

Active

Spathiphyllum wallisii Regel

Zhongshan Brighten Floriculture Co.,Ltd.

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

Rosa L. · Rose

Poulsen Roser A/S

2 records

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