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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.

Burgundy

Active

Ipomoea batatas (L.) Lam. · Sweet potato

Don R. LaBonte^^^Christopher A. Clark^^^Arthur Q. Villordon^^^Tara Smith

1 record

AN2180756

Active

Anthurium-Andreanum-Hybriden · Anthurium

Anthura B.V.

1 record

Balsompocel

Active

Hybrids between Echinacea purpurea (L.) Moench and Echinacea paradoxa (Norton) Britton

Jianping Ren

1 record

Burnectfifteen

Active

Prunus persica (L.) Batsch · Peach

John K. Slaughter^^^Timothy J. Gerdts

2 records

Barjine

Terminated

Dianthus caryophyllus L. · Carnation

Azienda Agricola Di Giorgio - di Antonio e Renato S.S.

1 record

Branmagic

Terminated

Chrysanthemum L. · Chrysanthemum

Hubert Brandkamp

1 record

A MADRID

Withdrawn

Kalanchoe Adans. · Kalanchoe

Knud Jepsen

1 record

Bright Day

Active

Narcissus tazetta L.

Bloembollenkwekerij Firma Veul V.O.F.

1 record

Alpin

Terminated

Raphanus sativus L. var. sativus · Radish

TAKII & CO LTD

1 record

Balfansami

Terminated

Pelargonium L'Hér. ex Ait. · Geranium

SCOTT C TREES

1 record

BOSAARC

Withdrawn

Hypericum L. · St. John's wort

H. & B.R. van den Bosch B.V.

1 record

BALL528

Active

Gypsophila paniculata L. · Baby's-breath

Manuel Gastelbondo

1 record

Bullrudi 19

Application submitted

Rudbeckia hirta L. · Black-eyed Susan

Hartwig Bull

1 record

Balcadetlu

Terminated

Verbena L. · Vervain

Jason Jandrew^^^Phuong Nguyen

1 record

Act Rima

Active

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

Evanthia B.V.

1 record

BALAZPICO

Terminated

Verbena L. · Vervain

SCOTT C TREES

1 record

Bosajol

Terminated

Hypericum androsaemum L. · Tutsan

H. & B.R. van den Bosch B.V.

1 record

Asakgreen

Active

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

1 record

Act Inca

Active

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

Evanthia B.V.

1 record

Act Enda

Terminated

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

Hendrik W. van der Velde

1 record

216210875

Active

Allium porrum L. · Leek

Nunhems Netherlands B.V.

1 record

BBCAL92301

Active

Calibrachoa Cerv. · Calibrachoa

Brent Barnes

1 record

Balwinlapi

Terminated

Diascia Link & Otto · Twinspur

Paul A Talmadge

1 record

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