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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.

Frisygo

Active

Lactuca sativa L. · Lettuce

Gautier Semences SAS (FR)

FR
2 records

Fulvio

Active

Solanum lycopersicum L. · Tomato

UNIGENIA SEMILLAS, S.L.U.

ES
2 records

Flint

Active

Spinacia oleracea L. · Spinach

KWS VEGETABLES B.V.

NL
2 records

Gianelli

Active

Capsicum annuum L. · Bell pepper

SEMILLAS FITO, S.A.

ES
2 records

Frisette

Active

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

Graines Voltz S.A.

FR
3 records

Giasone

Terminated

Cucumis melo L. · Melon

Enza Zaden Beheer B.V.

NL
3 records

Flamino

Protection expired

Raphanus sativus L. var. sativus · Radish

Vilmorin SA (FR)

FR
2 records

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

ES
2 records

Gevaria

Terminated

Allium porrum L. · Leek

Enza Zaden Beheer B.V.

NL
3 records

Fractus

Active

Allium porrum L. · Leek

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
2 records

Giocondo

Active

Phaseolus vulgaris L. · Common bean

Blumen Group S.p.A. (IT)

FR
2 records

FORTUNA

Active

Allium cepa L. · Onion

PETOSEED CO

GR
2 records

Germaine

Active

Juglans regia L. · Persian walnut

Station d'Experimentation nucicole Rhone-Alpes (FR)/Institut National de la Recherche Agronomique (FR)/Station experimentale de Creysse (FR)

FR
2 records

General

Active

Solanum lycopersicum L. · Tomato

Sakata Vegetables Europe S.A.S

UA
3 records

Solanum tuberosum L. · Potato

Europlant Innovation GmbH & Co. KG

DE
3 records

Fluo

Active

Raphanus sativus L. var. sativus · Radish

Vilmorin SA (FR)

FR
3 records

Finezja

Active

Solanum tuberosum L. · Potato

Hodowla Ziemniaka Zamarte sp. z o.o. - Grupa IHAR

PL
3 records

Fluance

Terminated

Daucus carota L. · Carrot

Nunhems B.V.

NL
4 records

Finezja

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

KUTNOWSKA HODOWLA BURAKA CUKROWEGO Sp.z o.o.

PL
2 records

Gerdicia

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bejo Zaden B.V.

NL
3 records

Gengis

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
3 records

Gecom

Active

Ocimum basilicum L. · Basil

Società Agricola Italiana Sementi (SAIS) S.p.A.

IT
3 records

FJ6447

Active

Brassica napus L. · Rapeseed

Teresa Huskowska

UA
5 records

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