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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.

IFHESB

Withdrawn

Heuchera L. · Coral Flower

INNOFLORA PLANT BREEDING B.V.

1 record

Hilpas

Terminated

Dianthus caryophyllus L. · Carnation

HilverdaKooij B.V

1 record

Feldost 06

Terminated

Dimorphotheca ecklonis DC. · Trailing African daisy

Feldhaus & Co. KG

1 record

Epika

Active

Allium cepa L. var. cepa · Onion

CORA SEEDS S.R.L

2 records

Gawan

Active

Raphanus sativus L. var. sativus · Radish

Nunhems Germany GmbH

1 record

Hilmetal

Terminated

Dianthus caryophyllus L. · Carnation

HYBRIDA S.R.L

1 record

Garisabel

Terminated

Gerbera L. · Gerbera

FLORIST HOLLAND B.V.

1 record

HFG B2008T

Application submitted

Rubus L. subg. Rubus · Blackberry

Ellen Thompson^^^Max Laddon

1 record

Hervit

Terminated

Solanum glaucophyllum Desf.

Bernd Büter

1 record

Florenzia

Active

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

Enza Zaden Beheer B.V.

1 record

Duepremimhopi

Terminated

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

MARGA DÜMMEN

1 record

Fisrosimo

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

Angelika Utecht

1 record

Fispurple

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

Angelika Utecht

1 record

Hilbechcanno

Withdrawn

Dianthus caryophyllus L. · Carnation

HilverdaKooij B.V

1 record

Emerald Goddess

Withdrawn

Liriope muscari (Decne.) L. H. Bailey · Big blue lilyturf

Ron Love

1 record

Hakon

Terminated

Kalanchoe blossfeldiana Poelln. · Flaming Katy

FGB B.V.

1 record

H220914

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

Filoe

Active

Prunus persica (L.) Batsch · Peach

PSB Producción Vegetal S.L

2 records

ECKALON

Terminated

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

RUTH KOBAYASHI

1 record

Fidor

Terminated

Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb

CORNELIS A. VAN DIEPEN

1 record

DYSPURP

Active

Salvia xjamensis J. Crompton · Jame sage

DAVID DYSON

1 record

Duesweetpur

Terminated

Impatiens New Guinea Group · New Guinea Impatiens

MARGA DÜMMEN

1 record

Don Hector

Withdrawn

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Timothy J.H. Hoogkamp

1 record

Don Francisco

Active

Kalanchoe blossfeldiana Poelln. · Flaming Katy

Timothy J.H. Hoogkamp

1 record

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