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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

Tomato Uniformity 81 Uniformity — White Cabbage 79 Barley grain uniformity 68 Carrot uniformity 51 Potato Uniformity 47 Uniformity — Cauliflower 45 Uniformity of lettuce 40 Pepper uniformity 38 Radish uniformity 31 Uniformity — Onion 30 Uniformity of cucumber 23 Sunflower uniformity 21 Uniformity — Onion 20 Uniformity — soft wheat 19 Uniformity — Broccoli 16 Triticale Uniformity 15 Watermelon Uniformity 14 Bean uniformity 14 Uniformity — Brussels sprout 13 Uniformity — Red Cabbage 12 Uniformity of zucchini 11 Uniformity — Leek 10 Uniformity of Chrysanthemum 10 Pea uniformity 10

Found in these crops

Tomato 944 Bell pepper 415 Lettuce 371 Cucumber 272 Potato 256 White cabbage 242 Melon 231 Carrot 215 Cauliflower 192 Field pumpkin 149 Maize 146 Common bean 146

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.

Lemonax

Active

Solanum lycopersicum L. · Tomato

Axia Vegetable Seeds B.V.

NL
3 records

Leire

Active

Solanum tuberosum L. · Potato

NEIKER-INSTITUTO VASCO DE INVESTIGACIÓN Y DESARROLLO AGRARIO, S.A.

ES
3 records

Legendario

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Leda

Active

Solanum lycopersicum L. · Tomato

Yuksel Tohumculuk LTD

NL
2 records

Leeloo

Active

Solanum lycopersicum L. · Tomato

Graines Voltz (FR)

FR
2 records

Laviva

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Lebrijano

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Lavezzi

Active

Phaseolus vulgaris L. · Common bean

Pop Vriend Research B.V.

NL
3 records

Liniac

Active

Cucurbita pepo L. · Field pumpkin

Gautier Semences SAS (FR)

FR
2 records

Lavaredo

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bayer Holland B.V.

NL
2 records

Linares

Active

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

ES
2 records

Listell

Active

Solanum lycopersicum L. · Tomato

De Ruiter Seeds NL B.V.

NL
3 records

Latina

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Siegfried Klemm

DE
2 records

Liene

Active

Rubus idaeus L. · Red raspberry

S.Strautina

LV
2 records

Licorne

Protection expired

Brassica napus var. napus · Rapeseed

Heinrich Busch

FR
3 records

Kyrios

Active

Cucurbita pepo L. · Field pumpkin

Syngenta Crop Protection AG

NL
4 records

Lindegger Sommer

Active

Raphanus sativus L. var. niger (Mill.) S. Kerner · Black radish

AUSTROSAAT Österr. Samenzucht- und Handels-AG

AT
2 records

LG3281

Terminated

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

Limagrain Genetics Grandes Cultures SA (FR)

FR
2 records

Leyre

Terminated

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

NL
4 records

Limal

Terminated

Cucumis melo L. · Melon

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
2 records

Kuman

Active

Capsicum annuum L. · Bell pepper

RAMIRO ARNEDO, S.A.

ES
2 records

KWS Elektro

Active

Zea mays L. · Maize

KWS SAAT SE & CO.KGAA

IT
2 records

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