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.

Susan

Active

Pisum sativum L. · Pea

PATE TAKARMANYTERMESZTESI KUTATO INTEZETE

AT DE HU LU

9 records

Siluet

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds, NL

BG HU NL PL

8 records

Scirocco

Protection expired

Vicia faba L. · Broad bean

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG

EE IE LT LV

13 records

Renova

Protection expired

Trifolium pratense L. · Red clover

Eidgen. Forschungsanstalt für Agrarökologie und Landbau Zürich-Reckenholz

AT DE EE ES

7 records

Quickstar

Active

Brassica oleracea L. (Kohlrabi Group) · Kohlrabi

SSC JP

DE HR HU SK

8 records

Nandor

Active

Daucus carota L. · Carrot

HM.CLAUSE

ES FR NL PL

7 records

Monopoly

Active

Beta vulgaris Garden Beet Group · Garden beet

SYNGENTA SEEDS B.V.

CZ DK NL SK

8 records

Mamut

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Danko Hodowla Roslin Sp.z.o.o.

CZ DE EE PL

12 records

Nagano

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Danko Hodowla Roslin Sp.z.o.o.

CZ DE LT PL

10 records

Integro

Active

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

BEJO ZADEN

CZ NL PL SK

8 records

Jubilee

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

Syngenta Seeds B.V.

HU NL PL SK

9 records

Crimson Tide

Active

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

Syngenta Seeds B.V

BG HU NL SK

8 records

Delicio CLP

Active

Helianthus annuus L. · Sunflower

Ragt 2n, F

IT RO SK UA

9 records

Cora

Active

Cucurbita pepo L. · Field pumpkin

Tezier SA (FR)

CZ FR HR PL

9 records

Cara

Active

Solanum tuberosum L. · Potato

Teagasc

ES IE LU MT

11 records

Tetris

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Seeds B.V. (NL)

HR NL PL

7 records

Rotra

Active

Trifolium pratense L. · Red clover

Rijksstation Voor Plantenveredeling (BE)

DE FR NL

9 records

Sunshine

Active

Solanum tuberosum L. · Potato

Solana, D

FR NL UA

10 records

Reginald

Protection expired

Ficus benjamina L. · Weeping fig

Reginald Deroose

BE DE NL

7 records

Savel

Active

Allium fistulosum L. · Welsh onion

Willem van Haerke

BG NL UA

9 records

Resal

Active

Pisum sativum L. · Pea

MONSANTO HOLLAND BV , NL

ES HU UA

11 records

Negovia

Active

Daucus carota L. · Carrot

Bejo Zaden BV (NL)

HR NL SK

8 records

Lump

Active

Pisum sativum L. · Pea

SELGEN A.S

CZ LT UA

12 records

Nutrix

Active

Medicago sativa L. · Alfalfa

Vincent Beguier

FR PL UA

8 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.