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.

Kenza

Active

Cucumis melo L. · Melon

Enza Zaden Beheer B.V.

5 records

Kingranch

Active

Spinacia oleracea L. · Spinach

Enza Zaden Seed Operations B.V.

5 records

Kendai

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

4 records

Kilaprince

Active

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

Syngenta Crop Protection AG

5 records

Korrigan

Active

Daucus carota L. · Carrot

Sakata Seed Corporation, JP

3 records

Kreel

Application submitted

Zea mays L. · Maize

KWS SAAT SE and CO KGAA

3 records

Kamet

Active

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

HM Clause Inc (US)

3 records

Kolibri

Active

Spinacia oleracea L. · Spinach

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

4 records

Klass

Active

Solanum lycopersicum L. · Tomato

Seminis SVS Holland, NL

3 records

Karkulka

Active

Beta vulgaris Garden Beet Group · Garden beet

SEMO a.s

3 records

Kana

Active

Brassica napus var. napus · Rapeseed

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

3 records

Kishi

Active

Allium fistulosum L. · Welsh onion

TAKII and CO LTD

3 records

Kingy

Application submitted

Brassica oleracea L. (Broccoli Group) · Broccoli

Syngenta Crop Protection AG

3 records

Kilastress

Active

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

Syngenta Seeds B.V.

3 records

Kalinka

Active

Cichorium endivia L. · Endive

Tezier SA (FR)

6 records

Jaspe

Active

Spinacia oleracea L. · Spinach

Sakata Seed Corporation (SCC)

5 records

Jonsson

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

3 records

Kayssar

Active

Cucurbita pepo L. · Field pumpkin

Enza Zaden Beheer B.V.

5 records

Joudivis

Active

Solanum lycopersicum L. · Tomato

Nunhems Netherlands B.V.

4 records

Kerren

Active

Solanum tuberosum L. · Potato

EUROPLANT Innvovation GmbH & Co. KG

5 records

Jeannice

Active

Lactuca sativa L. · Lettuce

BEJO ZADEN

6 records

ITJC6626

Active

Zea mays L. · Maize

Syngenta Participations AG

4 records

Katani

Active

Cannabis sativa L. · Hemp

Hemp Genetics International

3 records

Kashen

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Syngenta Participations AG

6 records

1 2 ... 107 108 109 110 111 112 113 ... 344 345 Next

Jump to page 10 49 99 100 120 148 197 210 246 296

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.