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.

RYOKU NH-11

Active

Vaccinium corymbosum L. · Highbush blueberry

Shigetaka Sakurai, Nippon Ryokusan Co., Ltd.

4 records

MINITIARA CORAL PINK

Active

Dianthus caryophyllus L. · Carnation

Seo Ryusuke|Yamamoto Kazuhito

3 records

'DANCOP37'

Active

Sutera cordata Thunb. Kuntze · Bacopa

Gavriel Danziger

4 records

AMIAL 1601

Active

Aloe aristata x Haworthia limifolia

van Langen Gerard

3 records

Mrs. Brown

Active

Phalaenopsis Bl. · Moth Orchid

YAGI MIKIO

3 records

A132 926

Active

Vaccinium L. · Bilberry

Hartmann Daniel Patrick

4 records

Estrella Red

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

NIELS ARTS

3 records

DANMOON 16

Active

Torenia L. · Bluewings

Gavriel Danziger

3 records

ALM 21

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

Zaiger's Inc. Genetics

4 records

ZP 504 su

Active

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

INSTITUT ZA KUKURUZ ZEMUN POLJE

3 records

Sweet Pearl

Active

Prunus persica (L.) Batsch · Peach

Bradford Lowell Glen

2 records

XP 07716000

Active

Allium cepa L. var. cepa · Onion

Seminis Vegetable Seeds

3 records

Winter Star

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Florida Foundation Seed Producers

2 records

Royal Jorosa

Protection expired

Bouvardia Salisb. · Bouvardia

Joannes Maria Franciscus De Jong

2 records

'Trivium'

Active

Phalaenopsis Bl. · Moth Orchid

Schoone Rene

3 records

Royal Jolita

Protection expired

Bouvardia Salisb. · Bouvardia

Joannes Maria Franciscus De Jong

2 records

Regina dell'orto

Active

Lactuca sativa L. · Lettuce

BLUMEN GROUP S.P.A

2 records

ST 453

Active

Gossypium hirsutum L. · Upland cotton

STONEVILLE PED. SEED CO.

3 records

Van Mor

Protection expired

Lactuca sativa L. · Lettuce

Harris Moran Seed Company

2 records

Plared 13120

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

PLANTAS DE NAVARRA, S.A.(PLANASA)

4 records

Royal Pauline

Protection expired

Bouvardia Salisb. · Bouvardia

Joannes Maria Franciscus De Jong

2 records

Nano-dos

Terminated

Zea mays L. subsp. mays (Maize Group) · Maize

DEKALB PLANT GENETICS

2 records

Pre'mier

Application submitted

Cucumis melo L. · Melon

SAKATA SEED SUDAMERICA LTDA

3 records

OA 723

Active

Helianthus annuus L. · Sunflower

Amelia Bertero, Arnaldo Vazquez,

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.