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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.

CS11-054

Application submitted

Cynara cardunculus L. · Cardoon

LA SEMIORTO SEMENTI SRL

IT
1 record

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

Nort Khadlier

UA
2 records

CHAMIDI

Terminated

Chrysanthemum indicum L. · Indian chrysanthemum

Creations Challet Herault SA (FR)

FR
1 record

Cleostar

Application submitted

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Crop Protection AG

NL
2 records

Chui

Application submitted

Allium cepa L. var. cepa · Onion

Enza Zaden Beheer B.V.

NL
2 records

Cesira

Application submitted

Cichorium intybus L. · Chicory

BLUMEN GROUP S.P.A

IT
2 records

Cassius

Application submitted

Beta vulgaris Garden Beet Group · Garden beet

SAKATA SEED AMERICA INC US

FR
1 record

CHANIZET

Terminated

Chrysanthemum indicum L. · Indian chrysanthemum

Creations Challet Herault SA (FR)

FR
1 record

Caradec F1

Application submitted

Daucus carota L. · Carrot

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

UA
2 records

Clarany

Active

Capsicum annuum L. · Bell pepper

Aernoudt Aardse

UA
2 records

CALAZIS

Terminated

Dianthus caryophyllus L. · Carnation

IRTA/INORSA

ES
1 record

Cucurbita pepo L. · Field pumpkin

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
2 records

CLAUDIO

Application submitted

Cucumis melo L. · Melon

SEMILLAS FITO, S.A.

ES
1 record

Solanum lycopersicum L. · Tomato

Erik Bastet

UA
1 record

CADIZ RZ

Withdrawn

Cucumis sativus L. · Cucumber

RIJK ZWAAN Z.Z. B.V.

ES
1 record

Cabalone

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

NL
2 records

Cadeo

Withdrawn

Cucumis melo L. · Melon

Louis Poloni (FR)

FR
1 record

Citirex F1

Terminated

Cucumis melo L. · Melon

Angeles Maria

UA
1 record

Cargivox

Terminated

Triticum durum Desf. · Durum wheat

Semences Cargill SA (FR)

FR
2 records

Buskaro F1

Terminated

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

Ger Bimsdeboer

UA
1 record

Bullechi 12

Application submitted

Echinacea purpurea (L.) Moench · Purple coneflower

Hartwig Bull

PL
1 record

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