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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.

Kasinyetu

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

LEONARDUS JOHANNES MARIA VAN DER KNAAP

3 records

Hilboska

Protection expired

Dianthus L. · Carnation

Hilverda B.V

3 records

H216906

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

4 records

H212910

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

Iuve

Active

Carica papaya L. · Papaya

CRISTIAN IVAN DELGADO SALAS

3 records

INCALULILA

Active

Calibrachoa Cerv. · Calibrachoa

Birgit Hofmann

3 records

H212909

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

IFPHLFM

Active

Phlox paniculata L. · Garden phlox

van den Haak Jelle

4 records

Fisimp Red

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

Hofmann, Birgit Christa

3 records

Eckalveen

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

RUTH KOBAYASHI

3 records

FLORB12

Active

Begonia pseudolubbersii Brade

Florilis ApS

3 records

HBA215910

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

Eckahab

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Fruehwirth Franz

3 records

Fantasia

Active

Zantedeschia Spreng. · Arum-lily

Sande B.V.

3 records

Ficalanweaver

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Vlielander Ike J.

3 records

Duepremmiro

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

MARGA DÜMMEN

3 records

Evipo057

Active

Clematis L. · Clematis

Poulsen Roser A/S^^^Raymond J. Evison Ltd.

3 records

Dobegicpocit

Active

Begonia boliviensis A. DC. · Bolivian begonia

Rijk Nadine

3 records

Eckaileen

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

FRUEWIRTH FRANZ

3 records

DUYZAM1801

Active

Zamioculcas zamiifolia (Lodd.) Engl. · ZZ plant

van Duijn Martin

3 records

FUCIV51

Active

Malus domestica (Suckow) Borkh. · Apple

Michelangelo Leis^^^Alessio Martinelli

4 records

Duespotapri

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Marga Dummen

3 records

Duelewi

Active

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

MARGA DÜMMEN

3 records

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