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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.

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

Sakata Vegetables Europe SARL (FR)

FR
5 records

Balboa

Active

Lactuca sativa L. · Lettuce

Vilmorin-Mikado S.A.S.

FR
4 records

Arqueus

Application submitted

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Anique

Terminated

Brassica oleracea L. (Cauliflower Group) · Cauliflower

ENZA ZADEN

NL
3 records

Assisto

Active

Cucumis melo L. · Melon

TAKII EUROPE B V

NL
4 records

Artega

Active

Capsicum annuum L. · Bell pepper

Enza Zaden Beheer B.V.

NL
5 records

ASFNBF0688

Application submitted

Prunus persica (L.) Batsch · Peach

Maillard Arsene|Elne, FR / Maillard Laurence|Elne, FR

FR
3 records

Arcade

Active

Solanum tuberosum L. · Potato

Oebele Spriensma

NL
6 records

Autora

Active

Allium porrum L. · Leek

Hazera Seeds B.V.

NL
6 records

Anizalla

Application submitted

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Solanum tuberosum L. · Potato

Germicopa SAS, FR

FR
5 records

Anello

Active

Beta vulgaris Garden Beet Group · Garden beet

BEJO ZADEN

NL
6 records

Atractum

Active

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

Syngenta Seeds B.V.

NL
5 records

Atlas

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

ZKI, H

HU
3 records

Atary

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Arabesca

Active

Capsicum annuum L. · Bell pepper

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Annabel

Active

Raphanus sativus L. var. sativus · Radish

NUNHEMS BV, NL

DE
3 records

Anna

Active

Brassica napus var. napus · Rapeseed

Komarova Iryna Borysivna, Chekhov Anatolii Vasyl`ovych, Ana Marjanovic Jeromela, Radovan Marinkovic,

UA
3 records

Amapola

Active

Solanum lycopersicum L. · Tomato

Sakata Vegetables Europe, F

FR
3 records

Araceli

Terminated

Capsicum annuum L. · Bell pepper

HM.Clause S.A.S.

FR
5 records

Aparima

Application submitted

Lactuca sativa L. · Lettuce

Vilmorin-Mikado SAS (FR)

FR
4 records

Ambition

Active

Phaseolus vulgaris L. · Common bean

Syngenta Seeds B.V.

NL
5 records

Answer

Terminated

Poa pratensis L. · Kentucky bluegrass

JACKLIN SEED

PL
3 records

Arterus

Active

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

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

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