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.

Mielon

Active

Cucumis melo L. · Melon

Enza Zaden Beheer B.V.

2 records

Minimax

Active

Solanum lycopersicum L. · Tomato

Axia Vegetable Seeds B.V.

3 records

Megaline

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

2 records

Megacrimson

Active

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

UNITED GENETICS SEEDS CO

2 records

Medisins

Protection expired

Cannabis sativa L. · Hemp

DAVID WATSON

2 records

Mirambel

Active

Cucumis melo L. · Melon

RAMIRO ARNEDO, S.A.

2 records

Mecisteo

Active

Capsicum annuum L. · Bell pepper

HM.Clause S.A.S.

3 records

Mariannka

Active

Solanum tuberosum L. · Potato

Vesa Velhartice a.s.

4 records

Maremi

Active

Prunus persica (L.) Batsch var. nucipersica (Suckow) C. K. Schneid. · Nectarine

Zhytkevych V"iacheslav Hryhorovych, Diakov Anatolii Andriiovych,

2 records

Minnie

Active

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

UNITED GENETICS SEEDS CO

2 records

Mini Micro

Active

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

INTERSEMILLAS SAU

2 records

Marmorex

Active

Brassica oleracea L. (Cauliflower Group) · Cauliflower

Bayer Holland B.V.

3 records

Martinica

Active

Capsicum annuum L. · Bell pepper

SEMILLAS FITO, S.A.

2 records

Martinez

Active

Cucumis sativus L. · Cucumber

CAPITAL GENETIC EBT, S.L.

2 records

Manureva

Active

Cucurbita pepo L. · Field pumpkin

HM.Clause S.A.S.

3 records

Manicot

Active

Prunus armeniaca L. · Apricot

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

3 records

Mandy

Terminated

Ficus benjamina L. · Weeping fig

Kwekerij Amstelzicht B.V.

2 records

Merisier F 12/1 = F 12/1

Active

Prunus avium (L.) L. · Sweet cherry

EAST MALLING RESEARCH ST. (GB)

2 records

Milana

Active

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

KOROLEVA SVETLANA VIKTOROVNA / MONAHOS GRIGORIJ FEDOROVICh / YuRChENKO SEMEN ALEKSANDROVICh

4 records

Mextizo

Terminated

Capsicum annuum L. · Bell pepper

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Margold

Active

Solanum lycopersicum L. · Tomato

Gautier Semences SAS (FR)

3 records

Mammatus

Active

Allium porrum L. · Leek

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Martina

Terminated

Solanum melongena L. · Eggplant

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Meltomy

Active

Solanum lycopersicum L. · Tomato

Bejo Zaden B.V.

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.