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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.

Vige

Active

Brassica napus L. var. napobrassica (L.) Rchb. · Rutabaga

Stangnes Raa videregaaende skole, 9815 Vadsoe

3 records

252HQ

Active

Cucumis melo L. · Melon

Nunhems B.V.

NL
3 records

Tylo

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Ike Vlielander

3 records

Yoelmira

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

3 records

Zolavbo

Application submitted

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

van Kleinwee Theodorus Cornelis Maria|Hoorn, NL

3 records

Zastosella

Active

Limonium sinuatum (L.) Mill. · Statice

van Zanten Plants b.v

3 records

Zapriliarange

Active

Alstroemeria L. · Alstroemeria

van Zanten Plants b.v

4 records

TOSCAT1068

Active

Pelargonium peltatum (L.) L'Hér. · Ivy-leaf geranium

Floha V.O.F

3 records

USCAL53002

Active

Calibrachoa Cerv. · Calibrachoa

Ushio Sakazaki

3 records

Winterfest Red

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

DREWLOW LYNDON

3 records

Tesmars

Active

Alstroemeria L. · Alstroemeria

Horti Partners V.O.F.

3 records

Victoria Fanny

Active

Symphyotrichum novi-belgii (L.) G. L. Nesom · New York aster

Kristiansen Kell

3 records

Victoria

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Knud Jepsen A/S

3 records

Sunmarisakura

Active

Verbena L. · Vervain

SUZUKI KENICHI|Yomo Yasunori|Takamura Naoto

3 records

Trick Pink

Active

Delphinium L. · Larkspur

SUZUKI KOICHI

3 records

Update

Active

Tulipa L. · Tulip

Testcentrum voor Siergewassen B.V.

3 records

Sunrise

Active

Peperomia argyreia x Peperomia marmorata

Eden Collection B.V.

3 records

Traveller

Terminated

Petunia Juss. · Petunia

Graham N. Brown

3 records

Sunnikoho

Terminated

Nierembergia Ruiz et Pav. · Nierembergia

Yasuyuki Murakami, Kazunari Iwaki

3 records

Style

Active

Vriesea Lindl. · Vriesea

Nicolaas D.M. Steur^^^Elly Bak

3 records

ST 373

Active

Gossypium L. · Cotton

3 records

Sea Waltz

Active

Delphinium L. · Larkspur

Kimitoshi Sakaguchi

3 records

SPCDW1806

Active

Vanda Jones ex R. Br. · Vanda

Thumrong Suphachadiwong

3 records

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