Skip to content

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

Found in these crops

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.

807A

Withdrawn

Helianthus annuus L. · Sunflower

Dobroudja Agricultural Institute - General Toshevo (BG)

BG
1 record

55-246

Terminated

Daucus carota L. · Carrot

Kees Reinink

UA
1 record

Prunus avium (L.) L. · Sweet cherry

Stefano Lugli^^^Michelangelo Grandi^^^Riccardo Correale

1 record

Limonium sinuatum (L.) Mill. · Statice

van Zanten Plants b.v

1 record

Zastapaci

Terminated

Limonium Mill. · Sea Lavender

van Zanten Plants b.v

1 record

TWYAG0020

Terminated

Aglaonema commutatum Schott x Aglaonema rotundum N.E.Br.

Gregori G. Hambali

1 record

Xena

Application submitted

Brassica rapa L. subsp. nipposinica (L. H. Bailey) Hanelt · Mizuna

VILMORIN-MIKADO USA

1 record

Troncais

Terminated

Prunus laurocerasus L. · Cherry laurel

Pépinières de Troncais S.A.S.

2 records

Yohamilton

Terminated

Chrysanthemum L. · Chrysanthemum

Cornelis P. VandenBerg

1 record

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

Floha V.O.F

1 record

Yogigi White

Terminated

Chrysanthemum L. · Chrysanthemum

PETER WAIN

1 record

Yocalcutta

Terminated

Chrysanthemum L. · Chrysanthemum

Wendy Bergman

1 record

TL990

Terminated

Hybrids between Salvia guaranitica and S. splendens

TAKII & CO LTD

1 record

Urano Yellow

Terminated

Chrysanthemum L. · Chrysanthemum

Pieters Plant Production B.V.B.A.

1 record

Tucana

Terminated

Solanum pseudocapsicum L. · Jerusalem cherry

Ex-Plant ApS

1 record

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

Floha V.O.F

1 record

Whiwamin

Application submitted

Philodendron erubescens K. Koch & Augustin · blushing philodendron

VDE Plant B.V.

1 record

TAN98192

Terminated

Rosa L. · Rose

Hans-Juergen Evers

1 record

Yovicki

Terminated

Chrysanthemum L. · Chrysanthemum

GLICENSTEIN LEON

1 record

V8904Z

Active

Zea mays L. · Maize

MONSANTO TECHNOLOGY

1 record

YBAZ1885

Terminated

Rhododendron simsii Planch. · Indica azalea

Wendy Bergman

1 record

Timeless

Terminated

Rhododendron simsii Planch. · Indica azalea

GLICENSTEIN LEON^^^Wendy Bergman

1 record

Jump to page 49 99 148 197 203 246 293 296 313