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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.

Zafremijou

Active

Freesia Eckl. ex Klatt · Freesia

van Zanten Plants b.v

2 records

Voyager

Active

Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket

A L TOZER LTD

2 records

Yomagic

Active

Aster L. · Aster

Smith Mark A.|Fort Myers, FL

2 records

Yoirvine

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

2 records

VEAZ0033

Terminated

Verbena L. · Vervain

Syngenta Participations AG

2 records

VEAZ0014

Terminated

Verbena L. · Vervain

Syngenta Crop Protection AG

2 records

Yosun City

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy R Bergman

2 records

Yopuff

Active

Aster L. · Aster

Smith Mark A.|Fort Myers, FL

2 records

TOSFANCRIZ

Active

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

Floha V.O.F

2 records

Yogigi

Active

Chrysanthemum L. · Chrysanthemum

PETER WAIN

2 records

Zodiac

Active

Rubus L. subg. Rubus · Blackberry

Hardigan Michael A.,Finn Chad E.

2 records

Yonew York

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

3 records

Wildfire

Active

Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket

A L TOZER LTD

2 records

Victory Cranberry

Active

Catharanthus roseus (L.) G. Don · Madagascar periwinkle

Sakata Seed Corporation (SCC)

2 records

TT Marte

Active

Diplotaxis tenuifolia (L.) DC. · Perennial wall-rocket

Azienda Agricola Produce di Tiozzo Silvano Caenazzo (Impresa Individuale)

2 records

Victoria Xenian

Active

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

Kristiansen Kell

2 records

Wesloarc

Active

Lobelia erinus L. · Edging lobelia

Westhoff Heinrich|Sudlohn, DE

2 records

VEAZ0045

Active

Verbena L. · Vervain

Syngenta Participations AG

2 records

ZAFRECOST

Active

Freesia Eckl. ex Klatt · Freesia

van Zanten Plants b.v

2 records

Yotrenton

Terminated

Chrysanthemum L. · Chrysanthemum

GLICENSTEIN LEON

2 records

Yograceland

Terminated

Chrysanthemum L. · Chrysanthemum

CORNELIS P. VANDENBERG^^^Wendy Bergman

2 records

Weseusopi

Active

Euphorbia hypericifolia L. · Graceful sandmat

Unger Christian

2 records

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