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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.

OLIZOR

Terminated

Carthamus tinctorius L. · Safflower

CAL-WEST SEEDS

ES
1 record

Papillon Rouge ULF

Terminated

Begonia Semperflorens-Cultorum Group · Bedding Begonia

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

PL
1 record

PANTANI

Application submitted

Capsicum annuum L. · Bell pepper

CAPITAL GENETIC EBT, S.L.

ES
1 record

Oryhinal`na

Terminated

Prunus domestica L. · European plum

Laskavyi Viktor Volodymyrovych, Laskavyi Volodymyr Pylypovych,

UA
2 records

Pam'iat Materi

Terminated

Prunus domestica L. · European plum

Laskavyi Viktor Volodymyrovych, Laskavyi Volodymyr Pylypovych, Shevchenko Oleksandr Mykhailovych,

UA
2 records

Ołomuńcka REW

Active

Petroselinum crispum (Mill.) Nym. ex A.W. Hill var. tuberosum (Bernh.) Mart Crov. · Hamburg parsley

Instytut Ogrodnictwa - Państwowy Instytut Badawczy \Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa w Ożarowie Mazowieckim Spółka z o.o.

PL
1 record

Olympic

Active

Cichorium intybus L. · Chicory

Hoquet Endives (FR)

FR
1 record

Palatina

Active

Fragaria L. · Strawberry

FAEDI WALTER

IT
1 record

OL113

Application submitted

Asparagus officinalis L. · Asparagus

WALKER BROTHERS INC

IT
1 record

Oranta

Terminated

Origanum vulgare L. · Oregano

Tkalych IUrii Vadymovych, Chaban Lesia Vasylivna, Pozniak Oleksandr Vasyl`ovych,

UA
1 record

Ojebyn ISK

Terminated

Ribes nigrum L. · Blackcurrant

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
1 record

Olina

Active

Daucus carota L. · Carrot

ReinSaat KG

AT
1 record

Osvizhaiuchyi

Terminated

Prunus persica (L.) Batsch · Peach

Shoferystov IEvhenyi Petrovych, Latsko Tetiana Anatoliivna, Smykov Volodymyr Karpovych, Oriekhova Valentyna Petrivna,

UA
1 record

Oakley MTV1

Active

Agrostis stolonifera L. · Creeping bentgrass

Peak Plant Genetics

NL
1 record

Ornament

Terminated

Malus domestica (Suckow) Borkh. · Apple

Kopan` Kira Mykolaivna, Kopan Volodymyr Pavlovych,

UA
2 records

Nominator F1

Terminated

Daucus carota L. · Carrot

Ger Beemsterboer

UA
1 record

Oscar

Terminated

Apium graveolens L. var. dulce (Mill.) Pers. · Celery

Les Graines Caillard Sa (FR)

FR
1 record

Orient Express F1

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

Lachmann Siegfried

UA
1 record

Oriana

Terminated

Glycine max (L.) Merr. · Soybean

Sherepitko Valentyn Vasyl`ovych, Kolot Valentyna Vasylivna, Mykhailov Viktor Oleksandrovych, Kolot Viktor Mykolaiovych, Kolisnyk Serhii Ivanovych, Temchenko Inna Viktorivna, Petrychenko Vasyl Florovych, Ivaniuk Serhii Vasyl`ovych, Babych Anatolii Oleksand

UA
1 record

Orienta F1

Application submitted

Brassica oleracea L. (White Cabbage Group) · White cabbage

Jack Burgers, Andreas Muller,

UA
2 records

Nourya

Application submitted

Cucumis sativus L. · Cucumber

Enza Zaden Beheer B.V.

NL
1 record

Opus

Active

Raphanus sativus L. var. sativus · Radish

Muzhylko Dmytro Valentynovych, Dymchenko Tetiana Mykolaivna, Muzhylko Viktor Valentynovych,

UA
2 records

Orlex

Terminated

Pisum sativum L. · Pea

FRANCE GRAINES (FR)

FR
1 record

Orient Star

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

Junichi Chiba

UA
2 records

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