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.

KB111081

Active

Hippeastrum Herb. · Amaryllis

KÚbol B.V.

1 record

JERONIMO

Withdrawn

Capsicum annuum L. · Bell pepper

HAZERA GENETICS

1 record

Jocker

Active

Solanum melongena L. · Eggplant

MAURIZIO BACCHI

2 records

Jantar

Withdrawn

Cucumis sativus L. · Cucumber

PlantiCo Hodowla i Nasiennictwo Ogrodnicze Golebiew sp. z o.o.

2 records

Kastyčiai

Protection expired

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

Jaffa

Terminated

Gerbera jamesonii Bolus ex Hook. f. · Barberton daisy

Florist De Kwakel B.V. Gerbera Kulturen

1 record

Kargu

Application submitted

Cucumis sativus L. · Cucumber

Manier Tohumculuk

1 record

Kapro F1

Active

Capsicum annuum L. · Bell pepper

FRANCESCO DELLA ROCCA

1 record

Kapaz

Active

Cucumis melo L. · Melon

Ralf Kuijpers

2 records

JĀNIS

Active

Chaenomeles japonica (Thunb.) Lindl. ex Spach · Japanese quince

E.Kaufmane, S.Ruisa

1 record

Jafar

Active

Capsicum annuum L. · Bell pepper

Piet de Vries

2 records

Issanka

Terminated

Helianthus annuus L. · Sunflower

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

1 record

Kantata

Terminated

Prunus domestica L. · European plum

Laskavyi Viktor Volodymyrovych, Laskavyi Volodymyr Pylypovych,

2 records

Izabell

Active

Gossypium hirsutum L. · Upland cotton

Ana Saldzhieva, Zhivko Terziev, Ivan Saldzhiev

2 records

Kampai F1

Active

Capsicum annuum L. · Bell pepper

Khun Prachuap Kruekkhoksung

2 records

KALINKA

Withdrawn

Lactuca sativa L. · Lettuce

Institut National de la Recherche Agronomique (FR)/Vilmorin SA (FR)

1 record

Jupiter

Active

Beta vulgaris Leaf Beet Group · Swiss chard

MARALDI SEMENTI S.r.l.

1 record

Idol

Terminated

Lupinus luteus L. · Yellow lupin

Poznanska Hodowla Roslin Sp. z o.o

1 record

ISI 18205

Active

Solanum lycopersicum L. var. lycopersicum · Tomato

ISI SEMENTI SPA

1 record

INTA

Application submitted

Malus domestica (Suckow) Borkh. · Apple

APP Darzkopibas instituts

1 record

Ice Celtic

Withdrawn

Lactuca sativa L. · Lettuce

Syngenta Crop Protection AG

2 records

Jobes 88

Terminated

Ribes L. · Currants

BERGMANN| Herbert Bergmann

1 record

Imran

Terminated

Solanum lycopersicum L. · Tomato

Kees Konst

2 records

Jolie

Active

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

1 record

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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.