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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.

Profilo

Terminated

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

HU
1 record

Pavla

Active

Solanum lycopersicum L. · Tomato

CZ
1 record

Patti Ann

Protection expired

Anthurium Schott · Anthurium

NL
1 record

Patro

Terminated

Phaseolus vulgaris L. · Common bean

NL
2 records

Parys F1

Terminated

Cucumis sativus L. · Cucumber

UA
2 records

ROXI

Terminated

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

ES
1 record

Rowena

Terminated

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

NL
1 record

Rose Emille

Protection expired

Limonium Mill. · Sea Lavender

NL
1 record

Rubikon

Active

Panicum miliaceum L. · Proso millet

CZ
1 record

Rozeta

Terminated

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

SK
1 record

Rooney

Application submitted

Allium fistulosum L. · Welsh onion

HU
1 record

Otelly

Terminated

Gerbera L. · Gerbera

NL
1 record

Rosso oliva

Terminated

Raphanus sativus L. · Radish

IT
1 record

Orient Spring

Withdrawn

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

NL
1 record

RICO

Terminated

Solanum lycopersicum L. · Tomato

DK
1 record

Rinda F1

Active

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

UA
1 record

Olidor

Terminated

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

NL
1 record

Plena

Active

Hydrangea L. · Hydrangea

No information of breeder available for this variety

FR
1 record

Niky

Protection expired

Anthurium Schott · Anthurium

NL
1 record

RATIÑO

Active

Vitis vinifera L. · Common grape vine

ES
1 record

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