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.

Vitara

Active

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

2 records

Wojtek

Active

Glycine max (L.) Merr. · Soybean

SZB Polska Sp.z o.o. Sp.j.

5 records

Vyklyk

Active

Hordeum vulgare L. · Barley

Vesna Serhii Viktorovych, Manziuk Vitalii Tymofiiovych, Naumov Oleksii Hermanovych, Vasko Nataliia Ivanivna, Kozachenko Mykhailo Romanovych,

3 records

Veselka

Active

Panicum miliaceum L. · Proso millet

Mel`nyk Liudmyla Anatoliivna, Samborska Olena Volodymyrivna, Prodanyk Anatolii Mykhailovych, Perevertun Larysa Ivanivna,

3 records

Veta

Active

Oryza sativa L. · Rice

INIA&JUNTA ANDALUCIA

3 records

Tzortzina

Active

Gossypium hirsutum L. · Upland cotton

ALFA SEEDS ABEE

3 records

Twistma

Active

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

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

SV7027JG

Active

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

Bayer Holland B.V.

2 records

SM Redstar

Active

Hordeum vulgare L. · Barley

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

3 records

SM Cyrkon

Active

Lupinus angustifolius L. · Narrow-leaf lupin

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

3 records

Status

Active

Helianthus annuus L. · Sunflower

GORBAChENKO FEDOR IVANOVICh / GORBAChENKO OLEG FEDOROVICh / USATENKO TAT'YaNA VASIL'EVNA / LUChKIN NIKOLAJ SERGEEVICh / BURLYaEVA EVGENIYa GRIGOR'EVNA / ZhITNIK NADEZhDA ALEKSANDROVNA / GORBAChENKO VALENTINA DANILOVNA

4 records

Samudra

Active

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

Clause (FR)

2 records

Saleroso

Active

x Triticosecale Wittm. ex A. Camus · Triticale

AGROVEGETAL, S.A.

3 records

Poltava

Active

Glycine max (L.) Merr. · Soybean

Militsa Khrustich, Ihor Miladinovich,

3 records

Narrator

Active

Hordeum vulgare L. · Barley

Poznanska Hodowla Roslin Sp. z o.o

4 records

Manessa

Active

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

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Manuela

Active

Gossypium L. · Cotton

SEMILLAS BATLLE S.A.

2 records

Ingenio

Active

Triticum aestivum L. · Bread wheat

Syngenta Participations AG| CH

3 records

Huzar

Active

Avena sativa L. · Oat

Danko Hodowla Roslin Sp.z.o.o.

4 records

Inkliuzyv

Active

Hordeum vulgare L. · Barley

Shepilova Nadiia Dmytrivna, Vesna Serhii Viktorovych, Naumov Oleksii Hermanovych, Vasko Nataliia Ivanivna, Kozachenko Mykhailo Romanovych,

3 records

Husliar

Active

Helianthus annuus L. · Sunflower

Karapira Serhii Ivanovych, Babich Valerii Ivanovych, Hanzhelo Mykola Hryhorovych, Krut`ko Vasyl` Ivanovych, Varenyk Borys Fedorovych, Veselyi Vitalii Oleksandrovych, Syvenko Valentyna Ivanivna, Kolomatska Valeriia Pavlivna, Makliak Kateryna Mykolaivna,

3 records

Hokkaido

Active

Capsicum annuum L. · Bell pepper

Syngenta Crop Protection AG

4 records

Gepard

Active

Avena sativa L. · Oat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

4 records

Finezja

Active

Hordeum vulgare L. · Barley

SZB Polska Sp.z o.o. Sp.j.

3 records

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.