Skip to content
agronom.cc cultivar database

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.

SOGO F1567

Terminated

Phalaenopsis Bl. · Moth Orchid

Chiang-Kuei Feng

1 record

Sele

Active

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

MARALDI SEMENTI S.r.l.

1 record

Sagitta Lime

Terminated

Solanum pseudocapsicum L. · Jerusalem cherry

Ex-Plant ApS

1 record

Spider

Terminated

Ruscus hypophyllum L.

Amos Levy

1 record

Sugarful

Withdrawn

Punica granatum L. · Pomegranate

Pascual Brotóns Gallardo^^^Carmen Nieves Martínez Cano^^^Francisco Javier Vidal Balaguer

1 record

RUIHYP012B

Application submitted

Hypericum x inodorum Mill. · Tall tutsan

De Ruiter Intellectual Property B.V.

1 record

Ruby Slippers

Terminated

Begonia-Rex-Hybridae · King begonia

Dan Heims

1 record

Sunny Yoigloo

Terminated

Chrysanthemum L. · Chrysanthemum

Mark A. Smith

1 record

Spring Field

Active

Allium cepa L. var. aggregatum G. Don · Shallot

SJALOTTENKWEKERIJ "DE VOETAKKER" B.V.

2 records

Royal Blizz

Active

Zantedeschia Spreng. · Arum-lily

Jidac B.V.

1 record

Roxani

Terminated

Citrus L. · Citrus

Michail Koulizakis

1 record

SAKOST8354

Terminated

Osteospermum L. · Osteospermum

Sakata Ornamentals Europe A/S

1 record

Strike

Withdrawn

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

Smarties.Bio S.r.l. - Società Agricola

1 record

Ruth

Terminated

Kalanchoe Adans. · Kalanchoe

Knud Jepsen A/S

1 record

Santorini

Terminated

Dianthus L. · Carnation

Giacomo Nobbio

1 record

SAKOST8606

Terminated

Osteospermum L. · Osteospermum

Sakata Ornamentals Europe A/S

1 record

Sir Rossa

Terminated

Dimorphotheca ecklonis DC. · Trailing African daisy

Goldsmith Seeds Europe B.V.

1 record

SAKCAR107

Terminated

Dianthus caryophyllus L. · Carnation

Sakata Seed Corporation (SCC)

1 record

Rodin

Terminated

Dianthus L. · Carnation

HYBRIDA S.R.L

1 record

SIL Gatwig

Terminated

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

WOLFGANG SILZE

1 record

SAXZ0001

Terminated

Saxifraga x arendsii Engl. · Arends saxifrage

Syngenta Crop Protection AG

1 record

RUIZ0206

Terminated

Rosa L. · Rose

De Ruiter's Nieuwe Rozen B.V.

1 record

Sikitita Dos

Active

Olea europaea L. · Olive

Universidad de Córdoba^^^Instituto Andaluz de Investigación y Formación Agraria Pesquera y Alimentaria (IFAPA)^^^Luis Rallo Romero^^^Diego Barranco Navero^^^Raúl de la Rosa Navarro^^^Lorenzo León Moreno^^^Concepción Muñoz Díez^^^Diego Cabello Pozo

1 record

Sonia

Withdrawn

Kalanchoe Adans. · Kalanchoe

Knud Jepsen A/S

1 record

Jump to page 49 99 148 197 205 246 295 296 315