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.

Red Sky

Terminated

Solanum tuberosum L. · Potato

Mts. G.M. Bunk

4 records

Redshine

Active

Allium cepa L. var. cepa · Onion

Hazera Seeds B.V.

3 records

Rena

Terminated

Rhododendron simsii Planch. · Indica azalea

Karl Glaser, Karl Glaser

2 records

Reindeer

Application submitted

Spinacia oleracea L. · Spinach

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Reina negra

Active

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

INTERSEMILLAS SAU

2 records

Regolino

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

2 records

Reliant ii

Terminated

Festuca trachyphylla (Hack.) Hack. · Hard fescue

Loft's Seed Inc. (US)

2 records

Reks

Active

Allium cepa L. var. cepa · Onion

TAKII & CO LTD

3 records

Rodrigo

Terminated

Dianthus caryophyllus L. · Carnation

Gerrit Kooij

2 records

Réka

Active

Vitis L. · Grapevine

Hajdu Edit

3 records

Rediana

Active

Solanum lycopersicum L. · Tomato

HM Clause Inc (US)

2 records

Red Silk

Active

Allium cepa L. var. cepa · Onion

Bejo Zaden B.V.

3 records

Reflex

Active

Allium cepa L. · Onion

Cora Seeds, I

2 records

Red Tip

Active

Lactuca sativa L. · Lettuce

MARALDI SEMENTI S.r.l.

2 records

Rima

Active

Solanum tuberosum L. · Potato

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

3 records

Red Jacket

Terminated

Capsicum annuum L. · Bell pepper

UNITED GENETICS SEEDS CO

3 records

Red Radiant

Active

Allium cepa L. var. cepa · Onion

ALLIUM SEEDS UK LTD

2 records

Red Herald

Active

Allium cepa L. var. cepa · Onion

ALLIUM SEEDS UK LTD

2 records

Red Carpet

Active

Allium cepa L. var. cepa · Onion

Bejo Zaden B.V., De Groot en Slot B.V.

3 records

Red Dawn

Active

Beta vulgaris Garden Beet Group · Garden beet

Winseed International Ltd (NZ)

2 records

Redlander

Active

Allium cepa L. var. cepa · Onion

Bejo Zaden B.V., De Groot en Slot B.V.

4 records

Ramezz

Active

Cucumis sativus L. · Cucumber

Bayer Holland B.V.

4 records

Raxe

Active

Raphanus sativus L. · Radish

HILD SAMEN| Hild Samen GmbH

3 records

Razymo

Terminated

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

4 records

1 2 ... 161 162 163 164 165 166 167 ... 344 345 Next

Jump to page 49 64 99 148 154 174 197 246 264 296

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

All terms →

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.