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.

Barrera

Active

Capsicum annuum L. · Bell pepper

Syngenta Crop Protection AG

3 records

Baragan

Active

Allium cepa L. var. cepa · Onion

Bakker Brothers Gebroeders Bakker Zaadteelt en Zaadhandel BV

2 records

Bacha

Active

Cucumis melo L. · Melon

Gautier Semences SAS (FR)

2 records

Analisa

Active

Cucumis sativus L. · Cucumber

Enza Zaden Beheer B.V.

2 records

Bahía

Active

Cucurbita pepo L. · Field pumpkin

RAMIRO ARNEDO, S.A.

2 records

Annico Sense

Application submitted

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

3 records

Royale

Active

Guzmania lingulata (L.) Mez · Drooping spike-guard

Nicolaas D.M. Steur^^^Elly Bak

2 records

Agata

Active

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

Syngenta Crop Protection AG

3 records

Hermes

Active

Euphorbia milii Des Moul. · Crown of thorns

Van Veen OZ B.V.

2 records

G19FON01WH

Active

Chrysanthemum L. · Chrysanthemum

PARATY B.V.B.A

2 records

Duetwister

Terminated

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Marga Dummen

2 records

MS 2

Active

Pastinaca sativa L. · Parsnip

Elsoms Seeds

2 records

Nansen

Active

Solanum tuberosum L. · Potato

Graminor AS, N-2322 Ridabu

3 records

Aylin

Application submitted

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Stefan Kraege

2 records

Dueternity

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

MARGA DÜMMEN

2 records

Hiljwlsdaca

Active

Helleborus x sahinii Grimshaw

HilverdaKooij B.V

2 records

Dekdoriax

Active

Chrysanthemum L. · Chrysanthemum

Cornelis W. Dekker

2 records

Adriana

Active

Ocimum basilicum L. · Basil

Nunhems Germany GmbH

2 records

Zorza

Active

Raphanus sativus L. var. sativus · Radish

Instytut Ogrodnictwa - Państwowy Instytut Badawczy \Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa w Ożarowie Mazowieckim Spółka z o.o.

2 records

Zondra

Terminated

Cucumis melo L. · Melon

De Ruiter Zonen (HR)

3 records

Zirconyta

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable IP Management B.V.

4 records

Zorza

Terminated

Allium cepa L. var. cepa · Onion

SPÓJNIA Hodowla i Nasiennictwo Ogrodnicze sp. z o.o.

4 records

Zlatista

Active

Solanum lycopersicum L. · Tomato

Bistra Atanasova, Elena Balacheva, Chavdar Georgiev

2 records

Zippity

Active

Phalaenopsis Bl. · Moth Orchid

Schoone Rene

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.