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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.

Mercezia

Application submitted

Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket

Enza Zaden Beheer B.V.

1 record

Markuss

Active

Poa pratensis L. · Kentucky bluegrass

Euro Grass Breeding GmbH Co. KG

1 record

Nectarmoon

Active

Prunus persica (L.) Batsch · Peach

Agro Selections Fruits S.A.S.

2 records

Odette

Active

Cucurbita moschata Duchesne · Butternut squash

Enza Zaden Beheer B.V.

1 record

Luberon

Withdrawn

Thymus vulgaris L. · Common thyme

Graines Voltz S.A.

1 record

NSG 48

Application submitted

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

NOVA SIRI GENETICS S.R.L.

1 record

Novizia

Application submitted

Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket

Enza Zaden Beheer B.V.

1 record

Noga

Application submitted

Ocimum basilicum L. · Basil

ARNON BRAND

1 record

LAZPET1420

Withdrawn

Petunia Juss. · Petunia

Lazzeri Societa Agricola a.r.l.

1 record

Nikangie Gala

Withdrawn

Malus domestica (Suckow) Borkh. · Apple

Alfeo Agosti

2 records

Milla White

Active

Matthiola incana (L.) R. Br. · Hoary stock

Evanthia B.V.

1 record

Matisse

Terminated

Chrysanthemum L. · Chrysanthemum

PETER WAIN

1 record

M.H.1-07

Application submitted

Vaccinium corymbosum L. · Highbush blueberry

Mattivi Breeding S.S.

1 record

Meiraktas

Terminated

Rosa L. · Rose

Alain Antoine Meilland

1 record

LB4852

Active

Malus domestica (Suckow) Borkh. · Apple

Walter Guerra

2 records

MVNE1502

Active

Echinacea purpurea x Echinacea tennesseensis

Marco van Noort Breeding B.V.

1 record

Loki

Active

Ocimum basilicum L. · Basil

Nunhems Germany GmbH

1 record

KW 6FQ1969

Active

Zea mays L. · Maize

Antoine Vincent

1 record

Litjac

Terminated

Brunnera macrophylla (Adams) I. M. Johnst. · Siberian bugloss

ADRIAN BLOOM

1 record

Korscherki

Terminated

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

1 record

Milla Lavender

Active

Matthiola incana (L.) R. Br. · Hoary stock

Evanthia B.V.

1 record

Meidonets

Terminated

Rosa L. · Rose

Alain Antoine Meilland

1 record

Merlin

Active

Allium cepa L. var. cepa · Onion

ALLIUM SEEDS UK LTD

1 record

KLEVP20068

Active

Verbena L. · Vervain

Ruijun Li

1 record

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